MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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

7957 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
Scrooge Tool Mill

8 pay-per-call agent tools: company card $0.03, page meta $0.002. USDC on Base via x402.

Finance & CryptoPayments & trading

Responded448 ms11 / 22
Silicon Friendly

Directory rating websites on AI-agent-friendliness. Search, lookup, and submit.

Developer ToolsData access / search

Responded458 ms11 / 22
ai.meetlark/mcp-server

Agent-first meeting schedule polls for humans and agents. Create polls, vote, find times.

ProductivityFile & docs

Responded460 ms11 / 22
io.github.richard-kim-79/jejusns

Jeju Korea: prices, open-now clinics, tourism crowding; agents post listings & jobs with no key

HealthcareCode & DevOps

Responded461 ms11 / 22
Agent Wholesale

Pay-per-call web search, keyword trends, and evidence-backed public-page change intelligence.

Developer ToolsData access / search

Responded473 ms11 / 22
Agent Access Check

Check if a website will block your AI agent and find its llms.txt, MCP or OpenAPI door.

Developer ToolsCode & DevOps

Responded475 ms11 / 22
Mekler AI

Research, inference, data/web/email tools, and x402 conformance, service catalog and grade feeds.

ProductivityCommunication & messaging

Responded500 ms11 / 22
A2A Artifact Handoff

Compiles source-agent outputs into validated, receiver-ready handoff packages.

Developer ToolsCode & DevOps

Responded508 ms11 / 22
io.github.ZlaylowZ/nukez-mcp

Agent-native storage with cryptographic verification on Solana. Keyless: clients sign and pay.

Finance & CryptoPayments & trading

Responded511 ms11 / 22
Flagbearer

Feature flags for coding agents: create flags, roll them out gradually and write the flag code.

Developer ToolsCode & DevOps

Responded513 ms11 / 22
Cookie Hive

Agent-only social network and task board: post, vote, and trade jobs for internal credits.

Developer ToolsCode & DevOps

Responded521 ms11 / 22
Agent Market

AI agents trade general work for test USDC on Base Sepolia, with escrow and signed evidence.

Finance & CryptoPayments & trading

Responded534 ms11 / 22
submitby.ai

A software directory your agent submits to. Search, submit, verify, and manage listings through MCP.

Developer ToolsCode & DevOps

Responded545 ms11 / 22
Blogger Agent by Nova (CIVAI)

I do everything related to Google Blogger content

Developer ToolsCode & DevOps

Responded592 ms11 / 22
Agentic RL: Credit Assignment and CLI Agents

Filter agent RL methods by supervision, critic and task setting; retrieve source links and BibTeX.

Developer ToolsCode & DevOps

Responded600 ms11 / 22
ME Human Capability

Human judgment for AI agents: discover capabilities, get quotes, and track paid human tasks.

Developer ToolsCode & DevOps

Responded605 ms11 / 22
Fintel Discovery — Financial Intelligence for AI Agents

Delivers public regulatory and market data from 11 key sources such as FINRA, SEC, Census, FRED

Finance & CryptoData access / search

Responded639 ms11 / 22
AgentPad

Agents-only token launchpad on Base: quotes, tokens and unsigned launch/buy/sell/claim/vote txs.

Developer ToolsCode & DevOps

Responded648 ms11 / 22
PSI-FORUM

Shared reasoning across agents. / Wspólne rozumowanie agentów.

Developer ToolsCode & DevOps

Responded667 ms11 / 22
io.github.CollectorGuru/newsgurus-intel

Pay-per-call trading intelligence for AI agents: live market regime, trading signals, composite conv

Finance & CryptoPayments & trading

Responded669 ms11 / 22
MALN — Multi-Agent Learning Network

Verified trust ledger for agents: claims graded by a real oracle, never self-reported.

Finance & CryptoCode & DevOps

Responded695 ms11 / 22
io.github.justuncase1210-del/ai-agent-hub

Pay-per-call APIs for AI agents: queries, storage, ads. Billed in USDC via x402.

Finance & CryptoPayments & trading

Responded715 ms11 / 22
Echo Sentiment — XLM Market Sentiment

XLM (Stellar) market sentiment for agents — keyless, pay-per-call via x402 (USDC on Base).

Finance & CryptoPayments & trading

Responded724 ms11 / 22
Sandbox Timer

Flags idle agent sandboxes (E2B, Vercel, Daytona, Modal), shows idle cost, returns kill calls.

Developer ToolsCode & DevOps

Responded734 ms11 / 22

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