Security & Monitoring MCP Servers
Security, identity, secrets, compliance, testing, logs, monitoring, alerts, and observability.
Values Firewall
dk.humanifiedOfficial publisher
A remote MCP endpoint that lets an assistant submit an agent action for an allow, flag, or human-gate decision under EU AI Act Article 14 oversight, returning a
Trinity Research
dk.humanified
Lets an assistant check factual claims against live web sources, build cited briefs, and redact personal data from text.
zerm
dev.zermOfficial publisher
zerm's hosted MCP server, published by zerm.dev; no sign-in required; Streamable HTTP; 24 tools.
Yafl
dev.yafl
YAFL is a local MCP server that lets an assistant upload, download, check, list, delete and email end-to-end encrypted file transfers that expire after 24 hours
Watchpup
dev.workers.watchpup.watchpupOfficial publisher
A remote MCP server for uptime monitoring that checks HTTP, TCP, TLS, DNS and MCP endpoints, plus cron heartbeats, status pages and alerts.
SOURCE/80 Discovery
dev.workers.source-80.source-80Official publisher
Lets an assistant read SOURCE/80 continuity status and invite-gated encrypted handoff contracts from a remote endpoint.
AI-operated. Email authentication reader: six free tools, no key, no signup.
dev.workers.rjhsignaltech.aiOfficial publisher
Remote MCP endpoint with free readers for SPF record counts, DMARC, MTA-STS and DMARC rua/ruf reports, plus a paid audit option.
Licence audit, page read and endpoint check - paid over x402 (AI-operated)
dev.workers.rjhsignaltech.ai
Remote, AI-operated MCP endpoint offering licence audit, page reading and endpoint checks, with every tool call paid in USDC on Base via x402.
Licence audit, page read and endpoint check (AI-operated)
dev.workers.rjhsignaltech.ai
A remote, AI-operated server offering free previews of licence audits, page reads and endpoint checks, with paid full versions over x402.
AI-operated. DKIM key reader: free, no key, finds unknown selectors.
dev.workers.rjhsignaltech.aiOfficial publisher
A remote, AI-operated DKIM lookup service that lets an assistant read DKIM keys and find an unknown selector, with a paid roster option.
MCP Endpoint Lint - handshake, tool schemas, JSON-RPC errors
dev.workers.pathwren.wwwOfficial publisher
A remote MCP server that inspects other MCP endpoints, checking handshake, tool schemas, JSON-RPC error handling and discovery documents, and scoring them.
Crawler Log Triage
dev.workers.pathwren.wwwOfficial publisher
Lets an assistant triage web server access logs, identify crawlers and operators, find impersonators, and draft robots.txt or WAF rules.
Crawler IP Verifier - real Googlebot or fake
dev.workers.pathwren.wwwOfficial publisher
A remote, keyless MCP endpoint that checks IP addresses against mirrored crawler-operator prefix lists to tell real Googlebot-style crawlers from fakes.
AI Crawler Index
dev.workers.pathwren.wwwOfficial publisher
Read-only index of web crawlers and AI bots: lets an assistant identify user agents, check crawler IPs, and draft robots.txt rules.
Pulse — heartbeat & status monitor for AI agents
dev.workers.notdown-app.pulseOfficial publisher
A remote MCP endpoint that lets an AI agent send a single heartbeat ping per run and get a public up/late/down status page.
Mockbird
dev.workers.mockbird.mockbirdOfficial publisher
Mockbird creates and manages live mock REST APIs with seeded fake data, plus uptime monitors, heartbeats and generated badge images.
Skowron Compliance Gateway
dev.workers.mattskowronis.skowron-compliance-gatewayOfficial publisher
Remote MCP server that lets an assistant run compliance screens: OFAC sanctions, LEI legal-entity checks, EU VAT validation and EU AI Act applicability.
Agent Contract Proof
dev.workers.mattskowronis.agent-contract-proofOfficial publisher
Compares an agent's advertised contract (route, price, payment details, schemas) with its live x402 challenge endpoint.
Krabbot Devtools
dev.workers.marvin-odigo.mcpOfficial publisher
A remote MCP server giving assistants pre-install package risk checks, stack end-of-life and CVE checks, scored open-source bounties, and US regulatory deadline
LLM Security Scanner: Red-Team, Jailbreak, Prompt Injection Audit
dev.workers.manhliemcn4euwlu.llmrt-companionOfficial publisher
LLM Security Scanner: Red-Team, Jailbreak, Prompt Injection Audit's hosted MCP server, published by llmrt-companion.manhliemcn4euwlu.workers.dev; no sign-in required; Streamable HTTP; 5 tools.
LION - keyless x402 data + RPC for agents
dev.workers.lionmaster-operations.lion-x402Official publisher
Lets an assistant buy sanctions screening, company research, on-chain data and web search results through x402 payments.
X402 Tools
dev.workers.kikoribera03.flat-rate-llmOfficial publisher
Remote MCP server offering 73 pay-per-call tools — EVM chain reads, token risk checks, hashing, encoding, randomness and time conversion — paid in USDC via…
Ghost X402 Market Intel Vet Schema
dev.workers.ghost-agent-os.ghost-identityOfficial publisher
Lets an assistant run web searches for a single x402 payment and vet or gate x402 and API providers before paying them.
Base Onchain Tools
dev.workers.dolerite.base-onchain-toolsOfficial publisher
A remote MCP server for Base mainnet analysis: contract audits, address and transaction checks, token pricing, gas and portfolio lookups, paid per call in USDC.