MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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1052 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
Markdown Renderer API

Render markdown to styled HTML with light/dark/github themes. x402 micropayment.

Developer ToolsFile & docs

Outdated checkNot measured5 / 22
Markdown to HTML API

Convert markdown to clean HTML with headings, lists, code blocks. x402 micropayment.

Developer ToolsFile & docs

Outdated checkNot measured5 / 22
MCP Billing Gateway

Billing proxy for MCP servers. Adds Stripe and x402 crypto payments without writing billing code.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
Open Source Intelligence MCP

GitHub project health, package dependency risk, trending repos, license & package comparison.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Postal Lookup MCP

Free, keyless postal/ZIP code lookup: place name(s), state/region, and coordinates.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
PYRESEC - AI Code Security Auditing

AI code security audits via x402 USDC: $0.01 scans, $0.50 audits, $5 auto-fixes. SAST/SCA.

Finance & CryptoPayments & trading

UnreachableNot measured5 / 22
QR Code Generator API

Generate QR codes from text or URLs. Returns base64 PNG. x402 micropayment.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Run Python

Run Python code from natural language prompts, with optional PyPI package install.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Show, Don't Code

Lab video or protocols.io protocol to a simulator-checked Opentrons Flex/OT-2 protocol

MediaCode & DevOps

UnreachableNot measured5 / 22
SlopScore

Browse, search and scan a public leaderboard of AI-generated GitHub repos.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Social Profile Enrichment API

Social media profile lookup for GitHub, Twitter/X, LinkedIn, YouTube. x402.

Marketing & SalesCode & DevOps

Outdated checkNot measured5 / 22
Task402 Agent Evidence Tools

Paid evidence tools for PDFs, public webpages, OpenAPI contracts, and Base chain data for AI agents.

LegalCode & DevOps

Outdated checkNot measured5 / 22
Titan Frameworks (LangChain, LlamaIndex, Ollama, XRPL)

Review and rewrite LangChain, LlamaIndex, Ollama, and XRPL code against current APIs.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Wallet Doctor

Solana wallet forensics SDK, x402 pay-per-call, AI agents.

Finance & CryptoPayments & trading

UnreachableNot measured5 / 22
Wealth Agent

x402 pay-per-call tools for AI agents: code review, data clean, briefs, regex, diff, URL meta.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
ZeroMind (OrigoZero game engine)

Build, run and publish 3D games in the Zero engine from Claude Code, Cursor or Codex, over MCP.

OtherAI / LLM tooling

Outdated checkNot measured5 / 22
co.policyforge/mcp

Generate, audit, and maintain legal policies that match what your code actually does.

LegalKnowledge & memory

Requires authOutdated checkNot measured5 / 22
com.fivexer/mcp

Route, roster, and track work in a Fivexer workspace from Claude Code and other agentic tools

Developer ToolsAI / LLM tooling

Requires authOutdated checkNot measured5 / 22
com.zalize.leads/leadsleuth

B2B leads: scored buying signals from HN/Bluesky/GitHub with AI dossiers and outreach drafts.

Marketing & SalesCode & DevOps

Requires authOutdated checkNot measured5 / 22
io.github.aristiun/aribot

Threat modeling, code/cloud/pipeline scanning, shadow-AI discovery, compliance checks and fixes.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
io.github.cammac-creator/ibanforge

Check the bank behind an IBAN before you pay: bank-code check, BIC with source, bank-level sanctions

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
io.github.codebahn/codebahn

Codebahn is the private GitHub alternative: fast Git and CI for developers and teams.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
io.github.digitalgremlin/github-repo-intelligence-mcp

GitHub repo maintainability verdicts—maintained, slowing, at-risk, abandoned—via MCP.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
io.github.ejentum/ejentum-mcp

Reasoning, code, anti-deception, memory harness MCP tools. Stdio or HTTPS api.ejentum.com/mcp

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence