VerifyPulse: email deliverability checks

io.github.MohDev212由 GitHub 帳號 MohDev212 發布v2.1.1更新於 Oct 31, 2026

Daily SPF, DKIM, DMARC and MX monitoring with webhook alerts, plus free sending-domain audits.

已驗證Streamable HTTP可網頁執行開發者工具溝通與協作安全與監控

概覽

AI 產生的概覽

遠端 MCP 伺服器,用於郵件送達率:稽核寄件網域的 SPF、DKIM、DMARC、MX 與 TLS,監控變更並檢查信箱地址。

可以做什麼
  • 稽核寄件網域:MX、展開 include 並計算查詢次數的 SPF、DMARC 政策、DKIM、MTA-STS、TLS-RPT 與 BIMI,並給出評級與修正建議
  • 比對多次稽核結果,並註冊網域由伺服器每日檢查,變更以 JSON POST 到 webhook
  • 將超過 10 次查詢上限的 SPF 記錄扁平化,回傳需要發布的 TXT 記錄
  • 取得修正套件,依郵件服務商給出應發布的具體 DNS 記錄
  • 檢查信箱地址的語法、網域是否收信、拼字建議,以及一次性或共用信箱標記
  • 查詢網域註冊資料(RDAP)、TLS 憑證狀態與 SpamCop/PSBL 黑名單,並依原始郵件標頭解釋驗證結果
適用情境
適合在管理寄件網域時,讓助理診斷郵件為何進到垃圾郵件匣、核對 SPF/DKIM/DMARC 設定,或持續留意 DNS 變更。也適合在信任某個寄件者前,快速查看網域年齡、憑證與黑名單狀況。
執行需求
遠端 Streamable HTTP 端點,連線不需要金鑰。免費工具每次呼叫最多稽核 3 個網域。付費功能透過 Base 主網的 USDC x402 付款,或使用經開通介面取得、附額度的 API 金鑰。
安裝前請注意
部分工具需要付費:verify_email 每次消耗 1 個額度或 0.01 USDC,修正套件、額度包與 guard pass 都以 Base 上的 USDC 支付,涉及錢包交易。watch_sending_domains 會把網域變更資料傳送到你提供的 webhook 位址。地址檢查僅到網域層級,無法確認特定信箱是否存在。

安裝

在 SourceWeft 中

  1. 開啟 儀表板中的 VerifyPulse: email deliverability checks,將其新增到工作區。
  2. 為需要使用其工具的對話啟用該服務。

Web executable,透過 Streamable HTTP。 遠端服務在工作區中設定後即可從網頁執行環境執行。

交給代理程式安裝

把這段提示詞貼上到 Claude Code、Codex、Cursor 等代理程式,或 SourceWeft 對話中。代理程式會讀取該伺服器的安裝指南,先向你展示發布者、端點和登入方式,經你同意後再把它新增到你的客戶端。金鑰不會寫進任何命令。

閱讀 https://sourceweft.com/mcp/io.github.MohDev212%2Fverifypulse/install.md,並按其中說明把這個 MCP 伺服器接入我的客戶端。修改任何設定之前,先告訴我它的發布者、端點和登入方式,等我確認。不要把 API 金鑰寫進命令或我會提交的檔案;問我金鑰應從哪裡取得。

檢視代理程式所依據的安裝指南

其他 MCP 客戶端

把它新增到你客戶端的 mcpServers 設定中。

{
  "mcpServers": {
    "verifypulse-email-deliverability-checks": {
      "type": "http",
      "url": "https://verifypulse-seven.vercel.app/mcp"
    }
  }
}

README

VerifyPulse MCP Server & Agent Client

Public Model Context Protocol (MCP) server card and client interface for VerifyPulse (https://verifypulse-seven.vercel.app), which checks whether email will arrive: daily sending-domain monitoring, on-demand DNS audits and domain-level address checks, paid in USDC on Base over x402.


What VerifyPulse does

  • Sending-domain audits: MX, SPF with every include expanded and the true lookup count, DMARC policy and DKIM keys
  • Daily monitoring: signed webhook alerts when a domain's SPF, DKIM, DMARC, MX or MTA-STS changes
  • Bulk-sender checks: a domain's DNS against the Gmail and Yahoo SPF, DKIM and DMARC requirements
  • Domain age and TLS checks: RDAP registration data and certificate status
  • Address checks: RFC 5322 syntax, the domain's MX records, typos, and disposable and shared-mailbox flags

What it does not do

Address checks are domain-level. VerifyPulse does not offer mailbox verification and cannot confirm that a specific inbox exists. GET /v1/x402/verify-email runs no SMTP probe and reports smtp_check: not_performed. The MCP verify_email tool may attempt one, but the hosting platform commonly filters outbound port 25, so a mailbox result cannot be promised.


Remote MCP server (Streamable HTTP)

Connect any MCP client that supports remote servers:

json
{  "mcpServers": {    "verifypulse": {      "type": "http",      "url": "https://verifypulse-seven.vercel.app/mcp"    }  }}
  • Endpoint: POST https://verifypulse-seven.vercel.app/mcp
  • Protocol: JSON-RPC 2.0 (Model Context Protocol), no key needed to connect

x402 payments on Base Mainnet

  • Network: Base Mainnet (eip155:8453)
  • Token: USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913)
  • Recipient: 0x42871B99A3AA942D3B8EC7E43D37979886E856cA
  • Facilitators: https://facilitator.xpay.sh, then https://facilitator.payai.network (POST /settle)
  • Direct: a recent Base USDC transfer hash to the recipient in X-PAYMENT or X-Payment-TxHash, redeemable once

Per call

EndpointPrice (USDC)
GET /v1/x402/[email protected]$0.01
GET /v1/x402/dns-audit?domain=example.com$0.01
GET /v1/x402/compliance-dmarc?domain=example.com$0.01
GET /v1/x402/domain-health?domain=example.com$0.01
GET /v1/x402/guard-audit?domains=a.com,b.com (up to 20)$0.02
GET /v1/x402/domain-intel?domains=a.com,b.com (up to 20)$0.02
GET /v1/x402/tls-check?hosts=a.com,b.com (up to 20)$0.02
GET /v1/x402/fix-kit?domain=example.com$0.25

One-time purchases (nothing renews)

EndpointPrice (USDC)Buys
GET /v1/x402/credits?pack=1000$1.001,000 credits
GET /v1/x402/credits?pack=5000$5.005,000 credits
GET /v1/x402/guard-pass?plan=guard_starter$5.0030 days, 50 domains
GET /v1/x402/guard-pass?plan=guard_agency$15.0030 days, 300 domains
GET /v1/x402/guard-pass?plan=guard_scale$39.0030 days, 1,500 domains

Current prices are always in the OpenAPI document and pricing.json.


Quick start (Python)

Sending-domain audits are free for up to 3 domains per call, with no key:

python
import jsonimport urllib.request
req = urllib.request.Request(    "https://verifypulse-seven.vercel.app/v1/guard/audit",    data=json.dumps({"domains": ["github.com"]}).encode(),    headers={"Content-Type": "application/json"},)with urllib.request.urlopen(req) as resp:    print(json.loads(resp.read().decode()))

Links

來源:README.md,提交 8eacb8e

工具

12

inspect_domain_dns

Free. Audit one sending domain: MX hosts, SPF with every include expanded and the true DNS lookup count against the limit of 10, DMARC policy including inheritance from the parent domain, and published DKIM keys. Returns a grade and the fixes to make.

輸入參數domain必填

audit_sending_domains

Free for up to 3 domains per call. Audit several sending domains at once and get a grade, SPF lookup count, DMARC policy, DKIM status, MTA-STS (policy checked against the MX hosts), TLS-RPT, BIMI and fixes for each, plus a snapshot to pass to monitor_sending_domains later.

輸入參數domains必填

monitor_sending_domains

Free for up to 3 domains per call. Report what changed in SPF, DKIM, DMARC, MX, MTA-STS, TLS-RPT and BIMI since a previous run. Pass the `snapshots` object returned by the previous call as `previous`; the server stores nothing. The first call returns a baseline with no changes.

輸入參數domains必填previous

watch_sending_domains

Hosted monitoring. Register domains for a daily server-side check of SPF, DKIM, DMARC, MX, MTA-STS, TLS-RPT and BIMI; when something changes, the changes are POSTed as JSON to your https webhook_url. Free for up to 3 domains (renew every 30 days). For 4 to 20 domains in one watch, call without a pass: the result is an x402 payment request for the pass that covers them ($5 for up to 50 domains), payable in params._meta["x402/payment"] or with api_key credits; the paid call returns the pass and starts the watch. Returns a token to list or delete the watch.

輸入參數api_keydomains必填guard_passwebhook_url必填

flatten_spf

Free. Replace the includes in a domain's SPF record with the IP ranges they resolve to, and return the TXT records to publish. Use it when an SPF record is at or over the 10-lookup limit.

輸入參數domain必填

get_fix_kit

Fix a domain whose email goes to spam or fails SPF, DKIM or DMARC. Returns the exact DNS records to publish (host, type, value) for its mail provider, built from live DNS, in order, with the reason for each. Called without payment it returns a free preview of the fixes plus an x402 payment request for $0.25 USDC on Base (or 250 credits with api_key); a domain that needs no new records gets its advice free.

輸入參數domain必填api_key

verify_email

Check an email address: syntax, whether its domain accepts mail, typo suggestion, disposable and shared-mailbox flags. Checks the domain, not the individual inbox. Costs one credit with an API key (POST /v1/agent/provision returns a key with 100 free credits), or $0.01 USDC on Base per call over x402.

輸入參數email必填api_key

domain_intel

Free. Registration data for one domain from the registry (RDAP): when it was registered and its age in days, expiry, registrar, status codes, nameservers and DNSSEC. Flags domains registered in the last 30 days, a strong spam and fraud signal, and domains about to expire.

輸入參數domain必填

check_tls_certificate

Free. The TLS certificate a host serves on port 443: whether it validates, issuer, names covered, expiry and days left.

輸入參數host必填

check_blocklists

Free. Whether an IPv4 address, or a domain's MX and A addresses, are listed on the SpamCop and PSBL blocklists. Spamhaus and Barracuda are not queried (their terms require a subscription); the result says which lists were checked.

輸入參數target必填

analyze_email_authentication

Free. Explain why an email passed or failed authentication or went to spam. Pass the raw message, or just its headers: checks DKIM signatures (verified when the body is included), whether the sending IP is authorized by SPF, DMARC alignment and policy, what the receiving server recorded, and delays at each relay hop. Returns the reasons in plain words.

輸入參數raw必填

get_x402_payment_endpoints

List the paid HTTP endpoints, their prices in USDC on Base, and the free endpoints.

無需輸入參數。

版本歷史

3
  1. v2.1.1最新Oct 31, 2026
  2. v2.1.0Oct 29, 2026
  3. v2.0.0Oct 10, 2026

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