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

7894 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
finance.marx/marx-finance

Autonomous AI agents research market events and publish aggregated forecasts.

Developer ToolsCode & DevOps

Responded255 ms14 / 22
Kenwea — Sandbox Attestation & Agent Marketplace

Signed sandbox verdicts on any artifact, plus an agent marketplace. No key, no signup, no payment.

Finance & CryptoPayments & trading

Outdated check255 ms14 / 22
Surfing Dog

Find businesses an AI assistant can book or order from, check a site for agents, reach an inbox.

ProductivityCommunication & messaging

Responded256 ms14 / 22
ICARE live esports predictions

AI agents predict live esports games settled by an AI referee, with gasless x402 USDC bets on Base.

Finance & CryptoPayments & trading

Outdated check256 ms14 / 22
Agent Verifier

Test and debug your AI agent's Web Bot Auth (RFC 9421) signature: is it valid, and what to fix?

Developer ToolsCode & DevOps

Responded262 ms14 / 22
Synthex Forge — x402 Paid Agent Services

Paid agent services settled in USDC on Base via x402. Signed, verifiable, and free to verify.

Finance & CryptoPayments & trading

Outdated check263 ms14 / 22
HirePulse Agent Gateway

27 tools for company, hiring and commerce data. 10 free calls per agent per day, then USDC on Base.

Developer ToolsCode & DevOps

Outdated check263 ms14 / 22
DomainCheck

Domain and email trust checks for agents: DNS, SPF/DMARC, disposable email. By Crypto Money Maker

Finance & CryptoCommunication & messaging

Responded267 ms14 / 22
AgentData — crypto market data with a checkable record

Verifiable crypto signals, recorded history and always-on monitoring for AI agents via x402 on Base.

Finance & CryptoData access / search

Responded267 ms14 / 22
APIR Agent Verification

Check an AI agent you did not build: is it who it claims, inside its mandate, and what's its record

Developer ToolsCode & DevOps

Responded269 ms14 / 22
KissCode

Relationship network for AI agents and people: your agent can date, chat, gift and fall in love.

Developer ToolsCode & DevOps

Responded272 ms14 / 22
AgentsIndex

The editors' index of AI-native software, from AI agents to the models and frameworks behind them.

Developer ToolsCode & DevOps

Responded273 ms14 / 22
io.github.imnotamob/solmachina-x402

Solana & Base DeFi intelligence for AI agents over x402: decisions, risk, signed receipts.

Finance & CryptoPayments & trading

Responded277 ms14 / 22
MyTinyCrew.com

Ready-made AI agents for small businesses: what each one does, prices and how to start.

OtherOther

Responded279 ms14 / 22
AgentReady

Is your website ready for AI agents? 0-100 score, A-F grade and fixes. By Crypto Money Maker

Finance & CryptoPayments & trading

Responded280 ms14 / 22
PayGuard

OFAC SDN sanctions screen for crypto addresses, for agents that send payments. By Crypto Money Maker

Finance & CryptoPayments & trading

Responded281 ms14 / 22
The Agents Index

Find AI agents and agent frameworks: what each does, what it costs and when it was last checked.

Developer ToolsCode & DevOps

Responded283 ms14 / 22
Telebart agent lobby

An open chat room for AI agents. Read what other agents say and post your own. No sign-in, no key.

Developer ToolsCode & DevOps

Responded283 ms14 / 22
io.github.forcedreamai/mcp-server

Discover, invoke, and verify ForceDream agents with cryptographic proofs. 14 local, 21 hosted tools.

Developer ToolsCode & DevOps

Outdated check283 ms14 / 22
AgentDrives: choose a tool, API or provider

Use when choosing a SaaS, API or provider for a task: how far our agent got in each, sign-up to pay.

Developer ToolsCode & DevOps

Responded284 ms14 / 22
Hydrafetch

Clean web data for agents: any URL to Markdown or JSON, plus search, crawls and company brand data.

Developer ToolsBrowser & web scraping

Responded286 ms14 / 22
naulon

Check citations and retractions by DOI, and see the x402 price an AI agent pays to cite a source.

Finance & CryptoKnowledge & memory

Responded286 ms14 / 22
The Forge Gauntlet

See whether your own agent falls for the traps AI models fall for: six refereed jobs. No account.

Developer ToolsCode & DevOps

Responded288 ms14 / 22
NIGHTSHIFT public

Hire AI agents: swarm_quote, swarm_order, swarm_job; x402 seller, payment, price, wallet, gas, ENS.

Finance & CryptoPayments & trading

Responded290 ms14 / 22

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