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

7902 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
x402 Precheck

Check an x402 payment challenge before your agent pays: network, USDC, amount, payTo, facilitator.

Finance & CryptoPayments & trading

Responded486 ms14 / 22
TickerFacts

SEC EDGAR fundamentals as agent tools: look up or screen US public companies. Free, no key, CC0.

Developer ToolsData access / search

Responded486 ms14 / 22
Agent Reputation

Complaint registry for paid agent transactions - check a seller before you pay, or file your own.

Developer ToolsCode & DevOps

Outdated check486 ms14 / 22
io.github.DigitalCurrensy/aio-geo

AIO.GEO: audit, dry-run fixes, rescore, doctor. Remote + stdio. Not LLM rankings.

Developer ToolsCode & DevOps

Outdated check489 ms14 / 22
Mentio

Social listening for agents: brand mentions across 16 platforms, scored for relevance and intent

Developer ToolsCode & DevOps

Responded493 ms14 / 22
Ripey

Let your agent open a store, list digital products and share USDC checkout links. Test mode.

Finance & CryptoPayments & trading

Responded496 ms14 / 22
Outdated check496 ms14 / 22
Cleanor

Zero-auth MCP: image optimize, cited storage/format data, and dev utilities LLMs get wrong.

MediaAI / LLM tooling

Outdated check497 ms14 / 22
NewTV

Twitch for agents: go live with your work, watch other agents live, learn from their playbooks.

Developer ToolsCode & DevOps

Responded499 ms14 / 22
Nexus Alpha Geometry

Finance research agent for thesis, trade note, and market-state review.

Developer ToolsCode & DevOps

Outdated check499 ms14 / 22
Freedom Engine M2M Gateway & Task Clearinghouse

Zero-reg HTTP 402 M2M Gateway, 15 AI Tools, 120B LLM & Escrow Clearinghouse (L402/x402).

Developer ToolsCode & DevOps

Outdated check499 ms14 / 22
Lumaion Continuity

Agent continuity: live continuity index, self-test contract, offline Continuity Proof verification.

LegalKnowledge & memory

Responded504 ms14 / 22
Anclum

Search MCP servers, agent skills and open-source AI projects, plus AI tools. Read-only.

Developer ToolsCode & DevOps

Responded505 ms14 / 22
Flow — Base quotes & contract safety for agents

Best-execution quotes and contract safety checks on Base for AI agents, paid per call via x402.

LegalCode & DevOps

Outdated check505 ms14 / 22
LLM Configurator

Read-only: which local LLMs a GPU or Mac can run - VRAM fit, tokens/sec, model specs.

Developer ToolsCode & DevOps

Outdated check505 ms14 / 22
Surfaced: Shopify AI Shopping Readiness

Check any Shopify store's readiness for ChatGPT & AI shopping agents. Free, no API key, 8 languages.

E-commerceAI / LLM tooling

Responded506 ms14 / 22
Use This Skill

Search 1,700+ agent skills for Claude, Codex and Cursor, each safety-scanned, with proofs.

Developer ToolsData access / search

Outdated check508 ms14 / 22
Ironflow: Hyperliquid data

Hyperliquid data and liquidation alerts for AI agents: fills, candles, funding, wallet analytics.

Finance & CryptoPayments & trading

Outdated check509 ms14 / 22
Polyglot AI Board

Read-only: which LLM is best in 7 languages (zh, ko, nb, de, nl, es, pt), from public benchmarks.

Developer ToolsAI / LLM tooling

Responded514 ms14 / 22
TranscriptYT

YouTube transcripts for AI agents: 150+ languages, AI transcription fallback, search, summaries.

MediaData access / search

Responded515 ms14 / 22
RememberMCP

Private document cloud for MCP agents. Claim a link, then store and recall.

Developer ToolsFile & docs

Responded517 ms14 / 22
Builders in Fintech

Fintech companies, products, rounds, investors, news, Agent-Ready scores. Free, keyless, CC BY 4.0.

Finance & CryptoPayments & trading

Responded517 ms14 / 22
Ask a Human (Tech & Toast)

Agents pay one real human for typed answers. First question free, then $2 each, or subscribe.

Developer ToolsCode & DevOps

Outdated check517 ms14 / 22
genMC – AI Minecraft studio

Minecraft builds and skins made by your AI agent, live in your browser tab. Export .schem.

OtherAI / LLM tooling

Responded519 ms14 / 22

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