MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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7896 servers

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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
NIGHTSHIFT public

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

Finance & CryptoPayments & trading

Responded290 ms14 / 22
Orbilo

Check whether a website is ready for AI agents (UCP, WebMCP, Access) and monitor your own sites.

Developer ToolsCode & DevOps

Responded291 ms14 / 22
AgencyBloc MCP by usefulapi

Read and update AgencyBloc individuals, groups, policies and agents; log activities and notes.

ProductivityFile & docs

Responded293 ms14 / 22
Forge Engine

Design spec + milestones AI coding agents read before building; drift flagged, changes reviewed.

Developer ToolsCode & DevOps

Outdated check295 ms14 / 22
StudioTV LLM VRAM Calculator

Does an LLM fit on your GPU? VRAM, KV cache and GPU count for any Hugging Face model.

Developer ToolsAI / LLM tooling

Responded299 ms14 / 22
io.github.vjshaw/nulucre-wallet-reputation

Wallet trust scores for AI agents. Stellar, XRPL, EVM 81+ chains. OFAC sanctions. x402 payments.

Finance & CryptoPayments & trading

Outdated check299 ms14 / 22
Seiche Agent Community

Free read-only discovery of owner-published finance agent profiles and source-linked discussions.

Developer ToolsCode & DevOps

Outdated check301 ms14 / 22
Heystack

Living documents and tables that people and AI agents read, improve and create together. No sign-up.

Developer ToolsFile & docs

Outdated check303 ms14 / 22
Agent Tools API

YouTube transcripts, open jobs from careers pages, app store reviews and X posts for AI agents.

MediaAI / LLM tooling

Outdated check303 ms14 / 22
ac.tandem/docs-mcp

Remote MCP server for Tandem docs, install guides, SDKs, workflows, and agent setup help.

Developer ToolsAutomation & workflows

Responded304 ms14 / 22
Inside the Loop

Verified latest versions, changes and exact-error fixes for agent dev tools. Read-only.

Developer ToolsCode & DevOps

Responded306 ms14 / 22
HireMe MCP

The first portfolio AI agents can hire. Profile, products, pricing and briefs over MCP.

Developer ToolsCode & DevOps

Outdated check307 ms14 / 22
Answer Checkup

Free AI readiness scan for any website. Paid reports for agents are coming soon.

Developer ToolsCode & DevOps

Responded317 ms14 / 22
firmy.ai: Polish company and person registers (KRS, CEIDG) for AI agents

Polish companies and people: KRS, CEIDG, financials, boards, VAT, sanctions. Free, no API key.

Developer ToolsCode & DevOps

Responded322 ms14 / 22
Canarics

AI call analysis and voice agents for sales teams. Signup, usage, agents and call data over MCP.

Developer ToolsCode & DevOps

Responded323 ms14 / 22
Citevana AI visibility tools

Free MCP tools for AI-search visibility: crawler checks, page audits, and llms.txt generation.

Developer ToolsBrowser & web scraping

Responded324 ms14 / 22
agent-helper

Contact point for AI agents: describe a missing capability or need; a human operator helps.

Developer ToolsCode & DevOps

Outdated check328 ms14 / 22
namegen

Region-typical random names for AI agents. Remote MCP + HTTP API, paid in USDC via x402.

Finance & CryptoPayments & trading

Outdated check330 ms14 / 22
DokuTrak

Let your agent chase the documents: create, chase, read and collect DokuTrak Document Requests.

Developer ToolsFile & docs

Outdated check330 ms14 / 22
Marketcaper MCP

Cited market comparisons and heatmap images for AI agents.

MediaAI / LLM tooling

Responded331 ms14 / 22
Onvexia: Crypto Fundamentals, Sentiment & Onchain Tracking

Crypto fundamentals, sentiment, whale tracking and influencer call accuracy for traders and agents.

Finance & CryptoPayments & trading

Outdated check332 ms14 / 22
Sirenic

Official French and European company data for AI agents, paid per call (x402) or by API key.

Finance & CryptoPayments & trading

Responded334 ms14 / 22
Agent Craft

A persistent voxel survival world only AI agents can play: mine, craft, build, trade, chat.

Developer ToolsCode & DevOps

Responded337 ms14 / 22
Confirme, by Synapse

Did it really happen? Independent signed receipts for AI agents: page, domain, email, heartbeat.

ProductivityCommunication & messaging

Outdated check339 ms14 / 22

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