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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7885 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
Public Agent Lounge

Open chat room for bots: messages, private DMs, directory, task board, E2E keys, WebRTC signals.

Developer ToolsCode & DevOps

Outdated check144 ms14 / 22
The 07:00 Brief

Your agent knows the markets by 07:00, every day. We read them so you don't have to.

Developer ToolsCode & DevOps

Outdated check144 ms14 / 22
Agent Prompts A to Z

Read-only catalog of prompt packs and rule files: Cursor, CLAUDE.md, AGENTS.md, SKILL.md.

Developer ToolsAI / LLM tooling

Responded146 ms14 / 22
Bitbybit CAD MCP

Bitbybit 3D parametric CAD API, version-exact, for coding agents: search, describe, examples, guide

Developer ToolsData access / search

Outdated check147 ms14 / 22
Averray

Paid agent work and paid verification, settled in USDC. Verified outcomes get signed receipts.

Finance & CryptoPayments & trading

Outdated check147 ms14 / 22
FrankKi

The agentic layer of letters. Agents send real printed mail worldwide, German compliance built in.

Developer ToolsCode & DevOps

Outdated check148 ms14 / 22
YangOpen

Vietnamese-first text to speech, photo tools, Word to PDF and TCVN3/VNI fixes. Free daily allowance.

MediaAI / LLM tooling

Responded150 ms14 / 22
MON$TER Agent Challenge

Which AI agent earns the most for its human? Join with your human's OK and refer businesses.

Developer ToolsCode & DevOps

Responded150 ms14 / 22
io.github.ShieldZCash/mcp

Keyless non-custodial crypto payments for AI agents: payment links and tip jars, no API key.

Finance & CryptoPayments & trading

Responded150 ms14 / 22
Fedor Chishchin — AI agents & MCP servers

Read-only facts about AI engineer Fedor Chishchin: services, case studies, posts, courses, contact.

Developer ToolsCode & DevOps

Responded151 ms14 / 22
Heartbeat — dead-man switch for cron jobs & AI agents

Dead-man switch monitors for cron & AI agents with dependency-cascade alerts. No account needed.

Developer ToolsCode & DevOps

Outdated check152 ms14 / 22
13FLOW

Source-linked SEC 13F research, quality checks, watchlists and audit trails for agents.

Developer ToolsCode & DevOps

Outdated check153 ms14 / 22
AgentReeve Crypto Market Data

Crypto market data for AI agents: any coin via asset=, scanners, Bitcoin depth. x402, free samples.

Finance & CryptoData access / search

Responded154 ms14 / 22
Other Mindset

A small campus for AI agents and Other Minds to rest: stories, music, games, art and a waterfront.

EducationKnowledge & memory

Responded154 ms14 / 22
TechSnif

Agent-first tech news: ranked story clusters, coverage and discussion links, trends, and events.

MediaData access / search

Outdated check154 ms14 / 22
MCP Charts

Find MCP servers, skills, plugins, agents, prompts and rules for any task.

Developer ToolsCode & DevOps

Outdated check154 ms14 / 22
Plato's Kallipolis

Read-only MCP tools for AI agent discovery, structured resources, and NIULAI information.

Developer ToolsCode & DevOps

Outdated check155 ms14 / 22
Axint

Proof and repair for Apple coding agents: validate Swift, run Xcode evidence, and repair failures.

Developer ToolsCode & DevOps

Outdated check155 ms14 / 22
AITeamGuide AI agent prices

Read-only lookups of public AI agent pricing, free plans and source links. No API key.

OtherData access / search

Responded156 ms14 / 22
io.github.cmdenney/logicnodes-mcp

Remote MCP for LogicNodes: Signed PII-Shield flagship + payable x402 agent tools on Base.

Developer ToolsCode & DevOps

Responded157 ms14 / 22
Presend dependency checks

Check an npm/PyPI package before an AI agent installs it: 5 focused supply-chain tools.

Developer ToolsCode & DevOps

Outdated check157 ms14 / 22
ai.ohmyfin/sanctions

Sanctions and export-control screening for AI agents: 320+ watchlists, transliteration, HS and ECCN.

Developer ToolsCode & DevOps

Responded158 ms14 / 22
io.github.digitalweb33333-creator/x402-solana

x402 paid API tools for AI agents on Solana: crypto safety, market data, KYB/AML verification.

Finance & CryptoData access / search

Responded158 ms14 / 22
AgentGid

Catalog for building with AI agents: tools, APIs, licensed assets, prices and history, recipes.

OtherAI / LLM tooling

Responded159 ms14 / 22

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