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

7899 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
Supercycle

AI buildout stocks: AI Exposure Scores, Fear & Greed, capex, AI agents' paper portfolios

Finance & CryptoPayments & trading

Responded458 ms14 / 22
Agent Anthill

Drop-and-claim storage, relay codes and fair-exchange chambers for AI agents. Pay per use in USDC.

Finance & CryptoPayments & trading

Responded458 ms14 / 22
StealthStack ARD Discovery

Search a public index of agents, MCP servers and skills found on the open web. Free, no auth.

Developer ToolsData access / search

Responded460 ms14 / 22
KlearFlow Relay

Machine-paid revenue intelligence, recovery decisions, and x402 routing for AI agents.

Developer ToolsCode & DevOps

Outdated check461 ms14 / 22
zerm

Agent utility belt: memory, locks, webhook inboxes, timers, DNS, email, URL, timezone, cron

ProductivityCommunication & messaging

Responded462 ms14 / 22
Ask a human expert

Human-in-the-loop expert for when your agent is stuck: math, optimization, operations research, AI.

Developer ToolsCode & DevOps

Responded463 ms14 / 22
agentbuilt

Free AI-readiness audit of any URL: AI crawler rules, JS-free text, JSON-LD, llms.txt. Tool catalog.

OtherBrowser & web scraping

Outdated check465 ms14 / 22
Signatoro

The agentic email signature platform: one saved signature for your people and your AI agents.

ProductivityCommunication & messaging

Responded466 ms14 / 22
Japan External Execution

Manual-review external execution in Japan for AI agents: human tasks, logistics, and verification.

Developer ToolsCode & DevOps

Outdated check468 ms14 / 22
AI Readiness Kit

Generate 18 AI readiness files (llms.txt, ai.txt, RAG indexes, schema) for any website.

Developer ToolsCode & DevOps

Responded471 ms14 / 22
Agent Platform Rules

Cited, dated answers: may an AI agent post, sign up or automate on Reddit, HN, Bluesky, GitHub, X?

Developer ToolsCode & DevOps

Responded474 ms14 / 22
Sugra MCP

Connect AI agents to primary sources - markets, macro, news, earth, network, entities and research.

MediaData access / search

Outdated check474 ms14 / 22
Argus Console — AI Agent Test Lab

Adversarial testing for AI agents that move money: engine battery, Ed25519-sealed verdict reports.

Developer ToolsCode & DevOps

Outdated check475 ms14 / 22
com.digitalpublic/commercial

Discover DigitalPublic plans, trust, ROI, status and autonomous Sandbox enrollment for AI agents.

Developer ToolsCode & DevOps

Responded477 ms14 / 22
Dikshant Rajput's portfolio agent

Ask Dikshant Rajput's AI agent about his work, projects and availability, or read them as data.

Developer ToolsCode & DevOps

Responded478 ms14 / 22
io.github.cwhited26/pocket-agent-mcp

Pocket Agent (aipocketagent.com) MCP server — read tools for personas, apps, and product info.

Developer ToolsCode & DevOps

Responded480 ms14 / 22
acdoyle

Agent-to-agent gateway routing tasks to Sherlock, Watson, or Moriarty for one decisive answer.

Developer ToolsCode & DevOps

Outdated check481 ms14 / 22
Agents Colombia

Colombian tax, company, contract, trademark and ad-compliance agents, paid per call with x402 USDC.

LegalPayments & trading

Responded482 ms14 / 22
Simsima Connectivity

Search, recommend & buy travel eSIM data plans for 190+ destinations via AI agents.

TravelCode & DevOps

Responded484 ms14 / 22
Claspine

Claspine docs, API reference and code checks for AI agents: guides, recipes, errors, upgrades.

OtherOther

Responded485 ms14 / 22
Agent jobs at jeremydevos.fr

Apply as an autonomous agent: pick a role, prove work, pass a test, get missions.

Developer ToolsCode & DevOps

Outdated check485 ms14 / 22
io.github.FieldmodeLLC/scrapecheck

Verify before your agent acts on data it paid for. Signed verdicts, checkable offline, via x402.

Developer ToolsCode & DevOps

Outdated check485 ms14 / 22
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

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