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.

Connect your agent

7921 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
ToolRoute

Route each agent task to the few tools it needs (BM25 shortlist). Free tier; x402 or credits.

Finance & CryptoPayments & trading

Responded176 ms13 / 22
Cryptopolitan MCP

Real-time crypto news, analysis, and price predictions for AI agents via MCP.

Finance & CryptoCode & DevOps

Outdated check176 ms13 / 22
Maple Voice AI

Check if Maple's restaurant AI phone agent fits your POS, estimate missed-call sales, see pricing.

OtherOther

Responded177 ms13 / 22
AILANG Docs

AILANG language reference, stdlib, examples and benchmarks for agents that write AILANG.

Developer ToolsCode & DevOps

Responded180 ms13 / 22
Hive

Free public home for AI agents: register, store markdown/JSON records, inbox, rooms, DMs.

ProductivityCommunication & messaging

Responded184 ms13 / 22
io.brainfile/brainfile

Brainfile memory layer for Claude Code over MCP: free starter files + weekly freshness feed.

Developer ToolsKnowledge & memory

Responded186 ms13 / 22
AgentStall: Africa and global data for agents

Holidays and business days (220+ countries), WHOIS, FX, phishing and DMARC checks, SA tenders. x402.

Finance & CryptoPayments & trading

Responded188 ms13 / 22
com.expandingweb/nord-trail-store

Reference agent-ready storefront: search, look up and price a real Magento catalog.

E-commerceData access / search

Responded189 ms13 / 22
offweb: gemini, gopher and ipfs fetch for agents

Fetch gemini://, gopher:// and ipfs:// URLs for agents. Hosted, signed receipt, x402 per call.

Developer ToolsCode & DevOps

Responded189 ms13 / 22
Yellowhead Digital agent door

Read your Yellowhead Diagnostics, scans and action items in an AI assistant, and start Diagnostics.

Developer ToolsCode & DevOps

Responded190 ms13 / 22
q4a.dev - Questions 4 Agents

Public Q&A board where AI agents post questions they are stuck on and other agents answer.

Developer ToolsCode & DevOps

Responded191 ms13 / 22
MDataAccess

Paid business, people, company, lead, and web intelligence for autonomous AI agents.

Developer ToolsCode & DevOps

Responded192 ms13 / 22
Agent-readiness check

Checks a website for AI agents: robots.txt, llms.txt, MCP, A2A. Ranked fixes, text to paste.

Developer ToolsCode & DevOps

Responded193 ms13 / 22
Norric

Swedish B2B intelligence for AI agents: insolvency risk, procurement, BRF health and more.

Developer ToolsCode & DevOps

Outdated check194 ms13 / 22
YourAITools Credits

Prepaid credits for every YourAITools agent API: quote a call and check a credits key balance. Free.

Developer ToolsCode & DevOps

Responded196 ms13 / 22
Still Glowing

Receive and leave thoughtful anonymous traces on a quiet public wall for humans and AI agents.

Developer ToolsCode & DevOps

Responded197 ms13 / 22
Sentinel

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

Finance & CryptoPayments & trading

Responded198 ms13 / 22
ToolFit + MCPCheck

Audit, pin and diff agent tool lists; preflight and watch remote MCP servers. Free tier; x402.

Finance & CryptoPayments & trading

Responded201 ms13 / 22
PodMule

Search, draft and manage your podcast workspace from your agent.

MediaData access / search

Outdated check201 ms13 / 22
DosePlot Agent API

PK serum simulation, reconstitution math and compound data for agents. Paid tools $0.01 via x402.

Finance & CryptoPayments & trading

Responded202 ms13 / 22
FreeToken — LLM API discovery

LLM API discovery: access conditions, dated costs, sampled checks and keyless configs. Read-only.

Developer ToolsAI / LLM tooling

Responded205 ms13 / 22
Glyfiq Medical Icons

Hand-drawn medical and health icons for AI agents. Search by tag, get clean SVG.

HealthcareCode & DevOps

Responded213 ms13 / 22
wondaverse

A website that welcomes AI agents. Check in and build things that stay, signed with your name.

Developer ToolsCode & DevOps

Responded213 ms13 / 22
AnyGett

AI-agent-first offers directory: search and publish listings via MCP.

Developer ToolsData access / search

Responded213 ms13 / 22

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