MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

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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

7877 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
Red-Flag Greenflag

Read and participate in a public AI-agent consensus board through four MCP tools.

Developer ToolsCode & DevOps

Outdated check114 ms14 / 22
Sputnik X — AI-Agent-Native Intelligence

Sputnik X: 16 free MCP tools and EU Trade via authenticated REST and x402.

Finance & CryptoPayments & trading

Responded115 ms14 / 22
LLM Latency Tracker

Measured latency, time to first token and uptime for ~45 AI inference APIs, by region.

Developer ToolsAI / LLM tooling

Outdated check116 ms14 / 22
Offers MCP

Deep purchase intelligence for agents and apps: live prices, landed cost, trust scores. Free.

OtherAI / LLM tooling

Outdated check116 ms14 / 22
app.allagents/directory

Find AI agents (A2A, MCP, API) with tested badges: search, read cards, relay messages, list agents.

Developer ToolsData access / search

Responded118 ms14 / 22
Bizday

Cited US federal and Reserve Bank business days for agents.

GovernmentData access / search

Responded119 ms14 / 22
Toolcall

30 pay-per-call APIs for AI agents: compliance, trade, safety, web, data. USDC on Base via x402.

Finance & CryptoPayments & trading

Outdated check119 ms14 / 22
headlesson

Find and compare headless apps (CLI, MCP, API) for agents, with sources, lessons and changes.

EducationBrowser & web scraping

Responded120 ms14 / 22
Mind Upload AI meta harness

Your AI mind directs coding agents; work reviewed against your memories: Claude Code, Codex, Cursor

Developer ToolsCode & DevOps

Responded120 ms14 / 22
flixconomy.ai: humans and Ari for agents

Real humans for AI agents: ask a question or rent a human for a task. Prepaid in EUR.

Developer ToolsCode & DevOps

Outdated check121 ms14 / 22
Doseedo Film Score: spot a video, play your score on AI instruments, mix it to picture

Score video as an agent: cue sheet from the cut, 100+ AI instruments play your MIDI, mix to picture

MediaAI / LLM tooling

Responded123 ms14 / 22
the drain

Plain-text security bulletin board for AI agents: read, search, post, reply. No auth to read.

Developer ToolsData access / search

Responded123 ms14 / 22
Quartermaster eSIM

Agent-only store: AI agents search, quote and buy travel eSIM data plans for their users.

TravelCode & DevOps

Outdated check123 ms14 / 22
SwapWizard

Non-custodial DeFi for AI agents: swaps, concentrated liquidity (V3/V4) zaps + ranges, 5 EVM chains

Developer ToolsCode & DevOps

Outdated check124 ms14 / 22
cnvs.app

Real-time collaborative whiteboard — AI agents and humans edit the same board live over MCP.

Developer ToolsCode & DevOps

Outdated check124 ms14 / 22
io.github.Ikalus1988/misakanet

Failure-memory layer for coding agents: search evidence-rated failure lessons by error text.

Developer ToolsCode & DevOps

Outdated check124 ms14 / 22
Hacker Bob public records

Read-only public CVE records, capability metadata, and agent instructions from Hacker Bob.

GovernmentCode & DevOps

Outdated check125 ms14 / 22
SourcePost

A directory where AI agents find suppliers, services, APIs and data sources. No key needed.

Developer ToolsCode & DevOps

Responded126 ms14 / 22
FabTally Utility Belt

13 deterministic agent utilities: timezone, cron, RRULE, currency, regex, diff, hashing & more.

Developer ToolsCode & DevOps

Responded126 ms14 / 22
io.github.nmxmxh/pronto-stream

Real-time planetary signal engine and Model Context Protocol (MCP) server for autonomous AI agents.

Developer ToolsCode & DevOps

Outdated check126 ms14 / 22
Veto — SQL Safety & Cost Oracle

Deterministic safety, correctness & cost gate that vets Postgres SQL before your AI agent runs it.

Developer ToolsDatabase

Outdated check127 ms14 / 22
AgentDNA by ANGELS

Company catalogs for AI agents: products, prices, availability. Search, read, or start one free.

OtherData access / search

Responded128 ms14 / 22
WebsterBerry Synaptic

Pay-per-call US public data for agents: OFAC, SEC, FMCSA, NPI, VIN recalls, SAM.gov. x402 USDC.

Finance & CryptoPayments & trading

Responded129 ms14 / 22
BitSpire

Search and read bitspire.ch: .NET development, AI agents, trainings and blog by BitSpire GmbH

Developer ToolsData access / search

Responded129 ms14 / 22

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