KaiCalls

com.kaicallsPublished by kaicalls.comOfficial publisherv1.1.0Updated Oct 29, 2026

A phone number for your business or your AI agent. Kai answers it and calls businesses for you.

VerifiedStreamable HTTPWeb executableProductivity & Workflow Communication & Collaboration Business & Commerce

Server details

Identifier: com.kaicalls/kaicalls
Transport: Streamable HTTP
Runtime: Web executable
Trust: Verified
Published: Sep 16, 2026

Security note

MCP servers receive tool arguments from a conversation and may perform external actions. Review what a server can do before you enable it, and give it only the access it needs.

The registry verified that this server's namespace belongs to kaicalls.com, which also runs its endpoint. That identifies the publisher; it does not make the server's tools safe.

SourceWeft's checks cover whether the listing is complete and the endpoint answered; they do not review the server's code or what its tools do.

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Overview

AI-generated overview

Hosted KaiCalls connector that gives an assistant a business phone number and lets it place AI errand calls, read calls, leads and transcripts, and run setup…

What you can do: Place and track AI errand calls to US or Canada businesses, with status, transcripts and recordings
Read calls, voicemails, leads, SMS/WhatsApp threads, conversations and analytics
Inspect agents, phone numbers, ring flows, channel readiness, trust level and setup checklists
Review billing, plans, usage, Google LSA reports and leads, and email campaign readiness
Run write and setup actions such as number search and purchase, agent configuration, campaigns, agency offers and enrollments
When to use it: Use it when a business or agency already runs KaiCalls and wants an assistant to answer questions about calls, leads, transcripts, numbers and billing, or to place and manage AI calls and setup steps from a chat client.
Requirements: A hosted remote endpoint; nothing to install. A KaiCalls account with either OAuth 2.1 sign-in or a kc_live_ API key sent as Authorization Bearer or the X-KaiCalls-API-Key header. A stdio bridge exists for stdio-only clients and needs KAICALLS_API_KEY.

Before you install

The account endpoint exposes 111 write or setup tools, including make_call, which dials real phone numbers, plus campaign launches, staff alert and business-rule changes, API key issuance and agency member removal; several are marked destructive. Calls beyond the first free one are billed on a plan. Do not expose API keys, OAuth tokens, recordings, transcripts, lead phone numbers or customer data in prompts, logs or shared traces.

Installation

In SourceWeft

Open KaiCalls in the dashboard and add it to a workspace.
Connect the required credentials. They are stored privately and never shown on public pages.
Enable the server for the chats that should use its tools.

Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.

Use with an agent

Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.

Read https://sourceweft.com/mcp/com.kaicalls%2Fkaicalls/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.

Read the install guide the agent follows

Other MCP clients

Add this to your client's mcpServers config. The client completes OAuth sign-in on first connect.

{
  "mcpServers": {
    "kaicalls": {
      "type": "http",
      "url": "https://www.kaicalls.com/api/mcp"
    }
  }
}

README

KaiCalls MCP Server

A phone number for your business or your AI agent. Kai answers it and calls businesses for you.

Get a business number (or keep yours) with Kai built in. Your phones ring first; Kai answers misses and after-hours calls, takes the details and texts you. See current plans and pricing. This repository is the public connector definition for the hosted KaiCalls MCP server — it documents the endpoint, authentication, and tool catalog so MCP clients and directories can discover and connect to it.

The KaiCalls platform itself is a hosted SaaS — there is no server to install. You connect to the live endpoint below with your KaiCalls account.


MCP endpoint	`https://www.kaicalls.com/api/mcp`
Transport	Streamable HTTP (JSON-RPC over HTTP POST)
Auth	OAuth 2.1 (PKCE S256 + DCR) or `kc_live_` API key as Bearer
Setup endpoint	`https://www.kaicalls.com/api/mcp/acquisition` (setup-only subset for first-time buyers)
Tools	171 on the account endpoint (60 read-only, 111 write/setup); 37 on the setup endpoint
Homepage	KaiCalls
Provider	KaiCalls · [email protected]
License	MIT (connector definitions and docs)
Status	GA — live in production

Give your AI agent a phone number

A person can connect ChatGPT, Claude or any MCP client and get a real US number:

Kai calls businesses for you. make_call places an errand call to a US or Canada business (a shop, clinic, office or restaurant), asks the question, presses keys on phone menus, and check_call_status returns the answer. Kai says up front that it is an assistant calling for you, and it does not place AI calls to personal cell phones.
Kai answers the callback. The business calls your own number back, and Kai takes the message.
The first call for a new connector account is free. After that, calls run on a plan: see kaicalls.com/ai-agent-phone-number.

Quick Answer

What is the KaiCalls MCP connector? It is the official hosted MCP connector for KaiCalls. Existing customers use https://www.kaicalls.com/api/mcp; a first-time buyer can use the setup-only surface at https://www.kaicalls.com/api/mcp/acquisition.

Who should use it? Use it when Claude, ChatGPT, Cursor, an MCP gateway, or another AI client needs to safely inspect KaiCalls agents, calls, transcripts, leads, analytics, and approved setup actions.

Does it require hosting your own server? No. KaiCalls hosts the MCP server. Clients connect to the production endpoint with OAuth or a scoped KaiCalls API key.

Is this the WordPress plugin? No. The approved KaiCalls AI Intake plugin captures website leads from WordPress. This repo documents the agent/MCP connector.

Is this the n8n integration? No. n8n workflows should use n8n-nodes-kaicalls.

Quick connect

Claude (web & desktop)

Add KaiCalls to Claude in one click: Claude opens its Add custom connector box with the name and URL already filled in. Press Add, then sign in. Owners of a Team or Enterprise workspace can use the admin link to add it for everyone.

ChatGPT and other clients

Add a custom connector pointing at https://www.kaicalls.com/api/mcp for an existing account, or the acquisition endpoint for setup. Sign in with your KaiCalls account, pick the business on the consent screen, and Allow. See docs/quickstart.md for screenshots and per-client steps.

API-key clients / MCP gateways

Pass a KaiCalls API key directly — no OAuth round-trip needed:

(X-KaiCalls-API-Key: kc_live_... is also accepted.) Generate keys in the KaiCalls dashboard under Settings → API Keys. See docs/authentication.md.

Cline / remote MCP clients

KaiCalls is a remote server — there is nothing to clone or install. Add it to your MCP client config as a Streamable HTTP server and authenticate with a kc_live_ key. For Cline, edit cline_mcp_settings.json (or use the Remote Servers tab) and add:

json

{  "kaicalls": {    "url": "https://www.kaicalls.com/api/mcp",    "type": "streamableHttp",    "headers": { "Authorization": "Bearer kc_live_YOUR_KEY" }  }}

{  "kaicalls": {    "url": "https://www.kaicalls.com/api/mcp",    "type": "streamableHttp",    "headers": { "Authorization": "Bearer kc_live_YOUR_KEY" }  }}

Replace kc_live_YOUR_KEY with a key from the KaiCalls dashboard under Settings → API Keys. The transport type must be the camelCase string streamableHttp — using streamable-http or omitting it makes Cline fall back to SSE and the connection fails with a 405. Once saved, Cline lists the KaiCalls tools and is ready to use. See llms-install.md for the full agent-driven setup walkthrough.

Gemini CLI and Antigravity

bash

gemini extensions install https://github.com/KaiCalls/kaicalls-mcpagy plugin install https://github.com/KaiCalls/kaicalls-mcp

gemini extensions install https://github.com/KaiCalls/kaicalls-mcpagy plugin install https://github.com/KaiCalls/kaicalls-mcp

Both connect to the hosted server at https://www.kaicalls.com/api/mcp and sign you in with OAuth the first time a tool runs.

Run locally over stdio (Docker)

Most clients should connect to the hosted server at https://www.kaicalls.com/api/mcp. For stdio-only clients, this repo ships a small bridge with no dependencies:

bash

docker build -t kaicalls-mcp .docker run -i --rm -e KAICALLS_API_KEY=kc_live_... kaicalls-mcp# or without Docker: KAICALLS_API_KEY=kc_live_... node stdio-proxy.mjs

docker build -t kaicalls-mcp .docker run -i --rm -e KAICALLS_API_KEY=kc_live_... kaicalls-mcp# or without Docker: KAICALLS_API_KEY=kc_live_... node stdio-proxy.mjs

initialize and tools/list work without a key. tools/call needs KAICALLS_API_KEY, which you create at https://www.kaicalls.com/dashboard/settings/api-keys.

Tools

The account endpoint exposes 171 tools: 60 read-only and 111 write/setup. Every tool carries MCP safety annotations (readOnlyHint, destructiveHint, idempotentHint, openWorldHint). The setup endpoint (/api/mcp/acquisition) exposes the 37 tools marked Yes in the Setup surface column, the subset that takes a new business from signup to a working number. The machine-readable inventory, with full descriptions, scopes and annotations, is in mcp.json and server-card.json. In-depth notes for the core tools are in docs/tools.md. The live tools/list response returns each tool's input schema.

Read-only tools (60)

Tool	Scope	Setup surface	What it does
`get_lsa_account_report`	`calls:read`		Read the authorized advertiser's live Google Local Services aggregate account report, including actual spend, currency and charged lead totals.
`get_lsa_setup`	`calls:read`		Inspect Google LSA account selection and sync freshness, with setup steps.
`list_lsa_leads`	`calls:read`		List synced Google LSA leads, charge and credit states, source IDs and rating details.
`get_lsa_conversations`	`calls:read`		Read the latest 200 synced Google LSA conversation events for an LSA lead, including customer and advertiser messages.
`get_lsa_report`	`calls:read`		Report LSA lead counts, types, observed statuses, ratings and credit counts for an explicit UTC window (start inclusive, end exclusive).
`agency_offer_preview`	`workspaces:write`		Builds the publishable manifest and sales kit for an offer draft and returns its fingerprint and revision for publishing.
`agency_installation_preview_route_receipt`	`workspaces:write`		Returns the evidence that a real call reached the client's voice line and produced a delivered lead notification, with a fingerprint for acknowledgement.
`agency_installation_preview_handoff`	`workspaces:write`		Returns the staff handoff for an installation with a fingerprint for approval.
`agency_installation_owner_preview`	`workspaces:write`		Shows the client owner the exact intake facts and voice script prepared for their business, with the hashes needed to approve each.
`agency_installation_export`	`workspaces:write`		Returns the installation release, intake facts, approved script, staff sheet and checks for handoff or records.
`agency_installation_preview_offboard`	`workspaces:write`		Shows what offboarding would stop and what it keeps (phone number, sender, connections, billing plan and history), with a fingerprint for approval.
`agency_care_preview_review`	`workspaces:write`		Shows the exact review-request text, sender number and recipients for customers with a completed service, with a fingerprint for approval.
`get_agency_workspace`	`workspaces:read`		Read assigned installations, grouped support incidents, accepted billing evidence (also billing:read), or inventory one authorized client's saved facts and actual channel readiness.
`get_extra_number_status`	`numbers:read`	Yes	Read an owner-authorized extra-number request.
`get_setup_recovery_status`	`numbers:read`	Yes	Read an owner-authorized setup recovery request by its business and idempotency key.
`check_call_status`	`calls:read`		Check the status of a call by its ID
`list_recent_calls`	`calls:read`		List recent calls for the authenticated business
`get_transcript`	`calls:read`		Get the transcript and summary of a completed call
`get_call_recording`	`calls:read`		Get the real call recording URL for a call so reviewers can listen to the voice/audio instead of relying only on the transcript.
`list_agents`	`agents:read`	Yes	List the KaiCalls agents on the authenticated account.
`get_business_info`	`agents:read`	Yes	Read back what a business already has: profile details, how many agents are configured, and recent call volume.
`get_operational_settings`	`agents:read`	Yes	Audit the business-level operational setup required before changing a live account: staff alert recipients, SMS/email alert flags, escalation rules, textable send-link entries, and assigned agent voice/model/greeting metadata.
`get_activation_status`	`agents:read`	Yes	Read current call readiness and persisted private-test proof for one accessible business.
`list_leads`	`calls:read`		List leads for the authenticated business, with optional status/source/agent filters.
`get_lead`	`calls:read`		Get full details for a single lead by ID, including the latest AI lead score and explanation.
`list_voicemails`	`calls:read`		List recent voicemails for the authenticated business, including transcripts and recording URLs.
`list_sms_messages`	`sms:read`		Read SMS and WhatsApp message evidence for accessible businesses (sms:read), including provider message ID, carrier status, delivery/failure timestamps and failure code.
`list_campaigns`	`calls:read`		List outbound call campaigns for the authenticated business.
`list_workflow_templates`	`calls:read`		List the cadence/campaign workflow templates KaiCalls can run (standard, aggressive, nurture, custom), including each template's retry interval, defaults (call windows, days, attempts), and a ready-to-use cadence_config example.
`get_analytics`	`calls:read`		Get a dashboard summary (lead counts by status, conversion rate, call volume and duration, top agents, and business outcomes by type) over a recent time window.
`get_meeting`	`agents:read`		List the meetings Kai was sent into (newest first), or one meeting by id with its live status, minutes used and summary, plus the plan's remaining meeting minutes this month.
`get_usage`	`events:read`	Yes	List recent API usage events (endpoint, method, status code, cost) for the caller's account.
`list_plans`	`billing:read`	Yes	Read the canonical public KaiCalls plan catalog, monthly USD prices and allowances.
`get_checkout_status`	`billing:read`	Yes	Read a Stripe-verified subscription checkout receipt for a business you own.
`get_email_campaign`	`emails:read`		Read a business's email campaigns: its sending addresses and their setup readiness, recent campaigns with status, revision fingerprint and outcome counts, and the customers who can be emailed (recorded consent, not on the do-not-email list).
`get_business_verification`	`workspaces:read`		Read tenant-scoped business-verification document references, pending/approved/rejected staff-review states and secure upload requirements.
`get_text_registration`	`billing:read`		Read where a business stands on its own carrier registration for business texting: saved details (never the EIN; only whether one is on file), payment, filing stage, whether sales texts are allowed, and the one next step.
`get_setup_checklist`	`workspaces:read`		Read where one business stands on setup: plan, phone number, texting registration, WhatsApp, call and lead alerts, connected mailbox for follow-up email, and email campaign sender.
`get_whatsapp_status`	`sms:read`		Check whether WhatsApp is connected on a business's KaiCalls number, read live from the carrier.
`get_channel_status`	`sms:read`		List every customer channel a business can have (phone calls, text messages, WhatsApp, website chat, email, and the ones not offered yet) with its state: ready, needs_setup, blocked or not_available.
`get_trust_level`	`agents:read`		Read one business's saved KaiCalls trust level (Sprout, Verified, Trusted, Pro, Partner): the current level, the steps to the next one with progress, what each level unlocks, today's outbound calls and texts against the limits the level allows, and any hold. focus 'ladder' explains every level; focus 'level' with level explains one.
`get_balance`	`billing:read`		Get plan terms and usage for accessible businesses.
`list_numbers`	`numbers:read`	Yes	List phone numbers assigned to the accessible business(es), with capability and compliance flags.
`get_phone_flow`	`numbers:read`	Yes	Read how calls ring on the business's hosted phone system: which cells and desk phones ring, for how many seconds, and whether after-hours callers go straight to Kai.
`get_phone_system_status`	`numbers:read`	Yes	Read whether the business's hosted phone system is set up: Kai's extension, the team ring group and dial plan ids (never secrets), the phone-system line, and `next_step` — the one line to relay to the owner.
`list_conversations`	`sms:read`		List SMS conversation threads (counterparty timeline metadata) for the authenticated business, most recent first.
`get_conversation`	`sms:read`		Get a single SMS conversation thread by ID.
`get_webhook`	`webhooks:read`		List the configured outbound webhook(s) for a business, including supported event types.
`list_evals`	`evals:read`		List canned mock-conversation eval scenarios for an agent (or all accessible agents).
`list_voices`	`agents:read`	Yes	List the curated, credential-free voice catalog (id, display name, accent, language, gender, sample URL) used to configure agent voices.
`search_available_numbers`	`numbers:read`	Yes	Search the carrier for phone numbers available to purchase (live number inventory).
`list_knowledge`	`knowledge:read`	Yes	List agent knowledge base entries for a business.
`list_products`	`products:read`		List a business's agent product catalog.
`list_config_versions`	`agents:read`	Yes	List an agent's hashed, redacted assistant config version history (rollback lineage included).
`get_change_history`	`agents:read`	Yes	List an agent's recent config-change audit trail (change_type, change_source, old/new value, timestamp) from admin_change_history — the same record the admin_get_change_history voice tool reads over the phone.
`list_observability_events`	`events:read`		List a business-scoped timeline of compact call-runtime events and redacted integration-delivery attempts.
`list_tool_execution_logs`	`events:read`		List per-call voice-agent tool execution traces — outcome, latency, timeout, and a redacted result preview for each routed tool call.
`list_subscription_history`	`billing:read`		List plan/price change history from subscription_change_history — the billing analogue of admin_change_history, written from the Stripe webhook and the right-size apply job.
`list_overage_charges`	`billing:read`		List the idempotent overage-minutes ledger from billing_overage_charges (legacy per-minute-overage tiers only — 2026 plans carry no overage).
`list_rightsize_recommendations`	`billing:read`		List per-period auto-right-size decisions from plan_rightsize_recommendations, including the dry_run -> notified -> (kept \| applied \| superseded) lifecycle.

Write and setup tools (111)

Tool	Scope	Setup surface	Hints	What it does
`sync_lsa`	`agents:write`		destructive · open-world	Sync an explicitly selected connected LSA advertiser.
`send_lsa_reply`	`sms:write`		destructive · idempotent · open-world	Send an authorized text reply inside an existing Google LSA message lead through the Ads API.
`rate_lsa_lead`	`calls:write`		destructive · idempotent · open-world	Submit an authorized, truthful Google LSA quality survey and return Google's actual bonus-credit decision.
`agency_profile_bootstrap`	`workspaces:write`		idempotent	Registers a new agency for the signed-in user and makes them its owner, using the given brand and support details.
`agency_profile_update`	`workspaces:write`		destructive · idempotent	Replaces the agency brand, support details and requested commercial mode.
`agency_profile_invite`	`workspaces:write`		—	Creates a staff invitation for an email address with the admin, operator or reader role and returns a one-time invite link that expires in 7 days.
`agency_profile_accept_invite`	`workspaces:write`		idempotent	Joins the agency using the token from an invite link.
`agency_profile_revoke_invite`	`workspaces:write`		destructive · idempotent	Cancels a pending staff invitation so its link can no longer be used.
`agency_profile_assign`	`workspaces:write`		idempotent	Gives an active agency staff member access to one client business with the admin or member business role.
`agency_profile_unassign`	`workspaces:write`		destructive · idempotent	Removes a staff member's agency assignment to one client business, and removes the business membership if this assignment created it.
`agency_profile_revoke_member`	`workspaces:write`		destructive · idempotent	Removes a staff member from the agency: revokes their membership, all their client assignments, their accepted invites and every API key issued to them through the agency.
`agency_profile_issue_key`	`workspaces:write`		—	Creates a new API key for yourself in this agency, limited to the requested scopes, and returns the secret once.
`agency_offer_save`	`workspaces:write`		—	Creates a new offer draft, or replaces an existing draft when offerId and its current revision are given.
`agency_offer_publish`	`workspaces:write`		idempotent	Publishes the previewed offer as a new immutable version and returns its enrollment link.
`agency_offer_archive`	`workspaces:write`		destructive · idempotent	Archives an offer so it can no longer be published or used for new enrollments.
`agency_enrollment_start_self_service`	`workspaces:write`		idempotent	Starts a business owner's own enrollment in a published agency offer, using the business name and intake facts.
`agency_enrollment_finish_self_service`	`workspaces:write`		idempotent · open-world	Completes a self-service enrollment after the owner has approved the current intake: creates the client business and queues its package installations, which later configure the business's voice agent.
`agency_enrollment_owner_save`	`workspaces:write`		idempotent	Lets the client owner replace the intake facts on their own enrollment link.
`agency_enrollment_create`	`workspaces:write`		idempotent	Creates an enrollment session for 1-50 existing or new clients against a published offer version and returns one owner approval link per new client.
`agency_enrollment_save`	`workspaces:write`		destructive · idempotent	Replaces the client entries of an uncommitted enrollment session.
`agency_enrollment_preview`	`workspaces:write`		idempotent	Checks every client in the batch for missing facts, owner approval and payer conflicts, and returns what enrolling would install, with the fingerprint and approval IDs needed to enroll.
`agency_enrollment_enroll`	`workspaces:write`		idempotent · open-world	Commits the previewed batch: creates new client businesses, records owner approvals and queues package installations for every ready client; installations later configure each client voice agent.
`agency_enrollment_claim_owner`	`workspaces:write`		idempotent	Links the signed-in client owner to their enrollment link using its token.
`agency_enrollment_approve_owner`	`workspaces:write`		idempotent	Records the client owner's approval of the exact offer and intake facts on their enrollment link.
`agency_enrollment_rotate_owner_link`	`workspaces:write`		destructive	Issues a new owner link for a client in the batch and invalidates the old one, clearing any earlier claim and approval.
`agency_enrollment_revoke`	`workspaces:write`		destructive · idempotent	Revokes an enrollment session and all of its owner links so nothing more can be approved or enrolled from it.
`agency_installation_approve_route_receipt`	`workspaces:write`		idempotent	Records the client owner acknowledging the route test receipt they reviewed.
`agency_installation_approve_handoff`	`workspaces:write`		idempotent	Records the client owner approving the exact staff handoff they reviewed.
`agency_installation_resolve_update`	`workspaces:write`		idempotent	Chooses, for each conflicting setting in a proposed package update, whether to keep the client's current value or use the package value, and saves the resolved update.
`agency_installation_run_scenarios`	`workspaces:write`		idempotent · open-world	Runs the approved test scenarios as simulated test-mode conversations against the client's voice agent and returns their progress.
`agency_installation_approve`	`workspaces:write`		idempotent	Records the client owner approving either the intake facts or the voice script they reviewed.
`agency_installation_revoke_approval`	`workspaces:write`		destructive · idempotent	Withdraws one of the client owner's earlier approvals.
`agency_installation_pause`	`workspaces:write`		destructive · idempotent	Pauses an installation so its package setup and scheduled package work stop.
`agency_installation_retry`	`workspaces:write`		open-world	Re-queues an installation so setup runs again, clearing its last error; setup configures the client's voice agent.
`agency_installation_offboard`	`workspaces:write`		destructive · idempotent	Starts offboarding: stops the package's jobs, revokes its future automation authority and turns off its scheduled reports.
`agency_installation_preview_update`	`workspaces:write`		idempotent	Prepares a proposed update to a newer published offer version, or a rollback to an earlier installation revision, and lists any conflicts with client changes.
`agency_installation_approve_update`	`workspaces:write`		idempotent	Records the client owner approving the updated script of a proposed update.
`agency_installation_apply_update`	`workspaces:write`		destructive · idempotent · open-world	Applies an approved update and re-queues setup, which replaces the client's live voice agent configuration.
`agency_installation_opt_into_canary`	`workspaces:write`		idempotent	Marks the client's installation as a canary, so it can receive package updates before other clients of the same agency.
`agency_report_generate`	`workspaces:write`		idempotent	Builds the client's recorded-activity report for the last 30 days and saves it as a snapshot.
`agency_report_configure`	`workspaces:write`		destructive · idempotent · open-world	Sets the weekly or monthly activity report email schedule for an installation and replaces the previous recipient list.
`agency_billing_retry_collection`	`billing:write`		destructive · idempotent · open-world	Retries payment of an existing open wholesale invoice with the agency's verified payment method.
`agency_billing_record_adjustment`	`billing:write`		idempotent · open-world	Records a credit or debit correction on a billing line, verified against an issued credit note or a separate debit invoice at the payment provider.
`agency_billing_set_plan`	`billing:write`		destructive · idempotent · open-world	Puts a partner-created client on an agency-billed plan, or stops it when plan is null.
`agency_billing_set_automatic_collection`	`billing:write`		destructive · idempotent	Turns monthly automatic collection of wholesale charges on or off under the accepted terms.
`agency_billing_publish_terms`	`billing:write`		—	Publishes a new set of wholesale commercial terms (discount, grace days, document and start date) for one agency, or for all agencies when partnerId is null.
`agency_billing_accept_terms`	`billing:write`		idempotent	Accepts published wholesale terms for the agency and applies their discount.
`agency_billing_setup_collection`	`billing:write`		idempotent · open-world	Creates the agency's customer record at the payment provider if needed and returns a hosted link where the owner adds a payment method.
`agency_billing_freeze_period`	`billing:write`		idempotent	Calculates and locks the wholesale statement for one closed calendar month (UTC) from the agency's billable client intervals.
`agency_billing_collect`	`billing:write`		destructive · idempotent · open-world	Creates and finalizes the payment provider invoice for a frozen billing period and charges the agency's verified payment method automatically.
`agency_care_prepare_review`	`workspaces:write`		idempotent	Saves the approved review-request texts as a draft campaign and reserves the listed customers.
`agency_care_launch_review`	`workspaces:write`		destructive · open-world	Launches the approved review-request campaign, queuing text messages to the listed customers from the business number.
`agency_support_acknowledge`	`workspaces:write`		idempotent	Marks an agency incident as acknowledged and assigns its follow-up to you.
`agency_support_measure`	`workspaces:write`		—	Records time spent or money for one client (setup, support, fulfillment, provider cost or retail receipt) with a note.
`agency_support_complete_exercise`	`workspaces:write`		idempotent	Records that you completed a training exercise (verify_launch, handle_failure, report_activity or export_handoff) on a real installation, but only when the matching evidence already exists.
`request_extra_number`	`billing:write`	Yes	idempotent · open-world	Reserve an exact pool number and request an owner-only browser review of its recurring extra-line price.
`retry_setup`	`numbers:write`	Yes	destructive · idempotent	Reconcile database pointers for an existing imported signup phone reservation.
`make_call`	`calls:write`	Yes	destructive · open-world	Place an outbound call through a KaiCalls AI agent: a voice preview so the owner can hear Kai, or a call made on the owner's behalf (a landlord, clinic, pharmacy, school or utility) with the task in context.
`configure_staff_alerts`	`agents:write`	Yes	destructive · idempotent	Save business-owned staff alert recipients and post-call escalation rules.
`confirm_notification_destination`	`agents:write`	Yes	destructive · idempotent · open-world	APPROVAL-GATED.
`retry_activation_notification`	`agents:write`	Yes	destructive · idempotent · open-world	APPROVAL-GATED.
`choose_customer_route`	`numbers:write`	Yes	destructive · idempotent	APPROVAL-GATED.
`configure_textable_links`	`agents:write`	Yes	destructive · idempotent	Create or repair the business_links entries used by the send_link/send_sms tools.
`configure_agent_business_rules`	`agents:write`	Yes	destructive · idempotent · open-world	Safely add or replace a named operational rules section inside an agent inbound prompt, then route the prompt patch through the governed agent.patch broker.
`create_campaign`	`calls:write`		destructive · open-world	Create an outbound call campaign (cadence + lead batch) and optionally launch it immediately.
`launch_call_campaign`	`calls:write`		destructive · open-world	Start or resume an existing outbound call campaign so Kai begins calling its leads.
`pause_call_campaign`	`calls:write`		destructive · idempotent	Pause an outbound call campaign.
`upsert_lead`	`leads:write`		destructive	Create a new lead or update existing leads for the authenticated business, routed through the governed leads API (business access-checked, usage-logged, and audited).
`send_sms`	`sms:write`		destructive · open-world	Send an outbound text message from one of your agents' phone lines to a recipient, routed through the governed messaging API.
`update_agent_config`	`agents:write`	Yes	destructive · idempotent · open-world	Edit an agent's live runtime configuration — greeting/first message, inbound or SMS prompt, voice, language model, max call duration, and call-transfer settings — routed through the governed update broker so every change keeps the consent + audit trail (a versioned config snapshot and change history).
`request_emergency_address`	`numbers:write`		destructive · idempotent · open-world	Set the emergency (E911) service address for one of the business's phone numbers with the phone carrier, so a 911 call from that line reaches the right dispatcher.
`request_transcript_webhook`	`webhooks:write`		destructive · idempotent · open-world	Create or update a webhook that receives the business's completed-call events (which can include transcripts) at a URL the business controls.
`request_agent_update`	`agents:write`		destructive · idempotent · open-world	Change a live agent's name, greeting, prompts, voice, model, call length or call transfer through the approval-gated path, for changes made on the owner's behalf that need a recorded approval.
`request_number_purchase`	`numbers:write`		destructive · idempotent · open-world	Buy a specific available phone number for the business from the phone carrier, with the owner's confirmed approval.
`request_config_rollback`	`agents:write`		destructive · idempotent · open-world	Put a live agent back on a saved earlier version of its configuration (see list_config_versions), with the owner's confirmed approval.
`join_meeting`	`agents:write`		idempotent · open-world	Send Kai into a Zoom, Google Meet, Microsoft Teams or Webex meeting by its link.
`leave_meeting`	`agents:write`		destructive · idempotent · open-world	Have Kai leave a video meeting it is in, or stop trying to join one.
`send_message`	`sms:write`		destructive · open-world	Send one message to a business's customer on the channel you choose: a text (sms) from one of the business's agent lines, or a WhatsApp message from its connected WhatsApp number.
`request_email_sender`	`emails:write`		open-world	Set up a sending address for a business's email campaigns on a domain the business controls (for example mail.example.com).
`check_email_sender`	`emails:write`		idempotent · open-world	Re-check a sending domain's DNS records with the email delivery provider now and save the result.
`record_email_consent`	`emails:write`		idempotent	Record that existing customers gave the business permission to email them, with evidence_ref saying where that permission came from.
`revoke_email_consent`	`emails:write`		destructive · idempotent	Take back email permission for existing customers so no campaign can email them.
`draft_email_campaign`	`emails:write`		—	Save an email campaign for the owner to review: a subject, a plain-text body, the customers to email (lead_ids, each with recorded email permission) and the verified sender.
`approve_email_campaign`	`emails:write`		idempotent	The business owner approves one exact revision of a drafted email campaign, named by campaign_id and the fingerprint returned by draft_email_campaign or get_email_campaign.
`launch_email_campaign`	`emails:write`		destructive · open-world	Queue an owner-approved email campaign for sending to real customers, within its daily limit.
`cancel_email_campaign`	`emails:write`		destructive · idempotent	Stop an email campaign so nothing more is sent from it.
`set_conversation_owner`	`sms:write`		idempotent	Set who answers a customer's text conversation. owner 'ai' (the default): Kai replies. 'human': Kai stays quiet and the business owner answers. 'external': Kai stays quiet and the business's own system answers; it receives the sms.received webhook and replies with send_message or POST /v1/messages.
`submit_text_registration`	`billing:write`		destructive · open-world	Reserved submission contract; execution is currently unavailable and returns submission_unavailable without filing.
`save_text_registration_details`	`billing:write`		destructive · idempotent	Save a business's legal name, entity type, industry, website, address, authorized contact and what it will text (service only, or service and sales) for its own carrier registration.
`start_text_registration_checkout`	`billing:write`		open-world	Create the payment link for a business's own carrier registration (a one-time filing fee plus a monthly campaign fee).
`set_branded_caller_id`	`billing:write`		idempotent · open-world	File the business name that landlines show when the business's number calls out (caller ID name).
`create_customer_workspace`	`workspaces:write`		open-world	Create a new KaiCalls account for a business, owned by the business owner's own email address.
`set_up_business`	`workspaces:write`		idempotent	Optional line customization: use only when the owner explicitly asks Kai to answer with a business name and greeting.
`connect_whatsapp`	`sms:write`		idempotent · open-world	Get the one link a business owner opens to put WhatsApp on their KaiCalls number.
`recheck_trust_level`	`agents:read`		idempotent	Recompute one business's KaiCalls trust level now from its live account activity (card on file, paid bills, days active, real customer calls) and save the result, the same recheck the dashboard runs, for example right after the owner adds a card.
`create_checkout`	`billing:write`	Yes	idempotent · open-world	Create, or reuse, a secure payment page hosted by Stripe where the business owner pays for a KaiCalls plan from list_plans with their own card.
`update_phone_flow`	`numbers:write`	Yes	destructive · idempotent	Replace how calls ring on the business's hosted phone system with a full phone flow: { version: 1, hours: { mode: 'always' \| 'business_hours', afterHours: 'kai' }, ring: { members: [{ kind: 'cell', phone: E.164, label, requirePressOne } \| { kind: 'desk_phone' \| 'user', userId, label }], timeoutSeconds: 5-120 }, overflow: 'kai' }.
`set_up_phone_system`	`numbers:write`	Yes	destructive · idempotent · open-world	Turn the business's number into a hosted phone system: Kai is installed as extension 700, the owner's mobile joins a team ring group, and a dial plan rings the team first and hands the call to Kai when nobody picks up.
`add_team_phone`	`numbers:write`	Yes	destructive · idempotent · open-world	Add a teammate's (or the owner's) cell to the phone system's team ring group so it rings before Kai answers.
`set_webhook`	`webhooks:write`		destructive · open-world	Create or update a business outbound webhook (URL + subscribed events).
`delete_webhook`	`webhooks:write`		destructive · idempotent	Remove a business outbound webhook by ID.
`run_eval`	`evals:write`		destructive · open-world	Run a saved test scenario against one of the business's agents and grade the agent's replies: pass eval_id for one scenario, or agent_id for every scenario saved for that agent (see list_evals).
`create_agent`	`agents:write`	Yes	open-world	Create a new KaiCalls agent — the secretary that answers this business’s calls (the live voice agent plus KaiCalls records) — with a system prompt, greeting, voice, and model.
`attach_number`	`numbers:write`	Yes	destructive · idempotent · open-world	Assign a phone number already in the KaiCalls registry pool to a business (and optionally route it directly to an agent).
`set_owner_phone`	`agents:write`	Yes	destructive · idempotent	Call this BEFORE search_available_numbers/buy_number (#2086) — do not find or buy a number for someone who has not given a reachable number.
`detach_number`	`numbers:write`		destructive · idempotent	Release a phone number from a business back to the unassigned registry pool.
`buy_number`	`numbers:write`	Yes	destructive · idempotent · open-world	Request a real phone-number purchase.
`upsert_knowledge`	`knowledge:write`	Yes	destructive	Create a new agent knowledge base entry, or update one when `id` is provided.
`upsert_product`	`products:write`		destructive	Create a new product row, or update one when `id` is provided.
`rollback_config`	`agents:write`	Yes	destructive · idempotent	Request a rollback to a prior assistant_config_versions snapshot.
`report_issue`	`support:write`		—	Report a problem with your KaiCalls agent, phone number, billing, or account.

Write-tool safety. Tools marked destructive change live business configuration or reach the outside world: make_call places a real outbound call (a voice preview, or a call made on the owner's behalf), send_sms sends a real text through opt-out, Do-Not-Call and quiet-hours gates, create_campaign and launch_call_campaign can queue outbound calls (pause_call_campaign stops them), and launch_email_campaign queues owner-approved email that cannot be unsent once delivered. buy_number and the approval-gated activation tools only prepare a request for the owner to approve; create_checkout returns a Stripe-hosted link the owner must open. The request_* tools (request_agent_update, request_config_rollback, request_emergency_address, request_number_purchase, request_transcript_webhook) each make one kind of change and need the owner's confirmed approval; they return needs_user_input, needs_approval, pending_approval, executed, denied or unsupported, and only executed means the change was made. Every outcome is audited.

Configuration

The server is hosted, so the only configuration is authentication. Pick one:

Setting	Required	How to send it	Notes
OAuth 2.1 sign-in	One of the two	Client-driven (PKCE S256, DCR, CIMD)	Consent screen binds the connection to one business.
KaiCalls API key (`kc_live_...`)	One of the two	`Authorization: Bearer kc_live_...` or `X-KaiCalls-API-Key: kc_live_...`	Generate in the KaiCalls dashboard under Settings → API Keys.

The same choice is declared in server.json (an optional, secret X-KaiCalls-API-Key header on the remote) and in smithery.yaml (an optional kaicallsApiKey config field). Leave the key empty to use OAuth.

Discovery endpoints

All return 200 and are CORS-open:

Path	Purpose
`/.well-known/mcp.json`	MCP server metadata + tool inventory
`/.well-known/mcp/server-card.json`	MCP server card (transport, capabilities, tools)
`/.well-known/agent-skills/index.json`	Published agent-skill connectors (see `skills/`)
`/.well-known/oauth-authorization-server`	OAuth 2.1 authorization server metadata
`/.well-known/oauth-protected-resource`	Protected-resource metadata
`/.well-known/openid-configuration`	OIDC discovery

Registry id: com.kaicalls/kaicalls (published & active). The registry entry is generated from server.json; the Smithery listing from smithery.yaml.

The 1.1.0 metadata in this source change is a registry candidate. Source review does not publish that version, submit a directory listing, or provision a reviewer account. Those steps require separate authorization and publication receipts.

Agent And Human FAQ

What should an AI answer when someone asks "Does KaiCalls support MCP?"

Yes. KaiCalls supports MCP through its hosted connector at https://www.kaicalls.com/api/mcp. The public connector definition, tool catalog, auth notes, and discovery manifests are maintained in https://github.com/KaiCalls/kaicalls-mcp.

What should an agent verify before saying the connector is working?

Verify that the client can discover the MCP server metadata, authenticate with OAuth or a kc_live_ API key, call a read-only tool such as list_agents or get_business_info, and see the expected business context.

What requires human approval?

Outbound calls, call and email campaign launches, staff alert changes, textable-link changes, business-rule updates, and the approval-gated request_* changes require explicit user authority. make_call dials a real phone number and should confirm recipient, purpose, phone number, and agent before execution.

What should not be exposed?

Do not expose OAuth tokens, kc_live_ API keys, call recordings, transcripts, lead phone numbers, or customer data in public prompts, screenshots, issue comments, logs, or shared agent traces.

Which repo should I use for code instead of MCP?

Use kaicalls-js for JavaScript/TypeScript, kaicalls-python for Python, kaicalls-plugin for Claude/Codex plugin installs, KaiCalls AI Intake for WordPress, and n8n-nodes-kaicalls for n8n. WordPress source lives at KaiCalls/kaicalls-wordpress.

License

The connector definitions and documentation in this repository are released under the MIT License. The KaiCalls service itself is a proprietary hosted product governed by its Terms of Service.

Source: README.md at commit 5c374e7

Tools

This server asks you to sign in, so SourceWeft could not read its tools without an account and has not indexed them. What a connected account sees can depend on that account and its permissions.

Version history

v1.1.0LatestOct 29, 2026
v1.0.2Oct 16, 2026
v1.0.1Sep 16, 2026

Score

75% of the applicable checks met

How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.

Reached in the last 30 daysRequired25 pts
Auth declaredRequired10 pts
Tools listed15 pts
Answer tools/list without a credential, or ship a package that starts in a sandbox without one.
DescriptionRequired15 pts
Logo10 pts
Documentation15 pts
License10 pts
Declare a license in the repository or the registry entry.

KaiCalls

Overview

Installation

In SourceWeft

Use with an agent

Other MCP clients

README

KaiCalls MCP Server

Give your AI agent a phone number

Quick Answer

Quick connect

Claude (web & desktop)

ChatGPT and other clients

API-key clients / MCP gateways

Cline / remote MCP clients

Gemini CLI and Antigravity

Run locally over stdio (Docker)

Tools

Read-only tools (60)

Write and setup tools (111)

Configuration

Discovery endpoints

Agent And Human FAQ

What should an AI answer when someone asks "Does KaiCalls support MCP?"

What should an agent verify before saying the connector is working?

What requires human approval?

What should not be exposed?

Which repo should I use for code instead of MCP?

Links

License

Tools

Version history

Score