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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18508 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
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

Responded135 ms14 / 22
SatsDNS

DNS hosting, secondary DNS and dynamic DNS paid per call in sats; optional Nostr account tools.

Developer ToolsCode & DevOps

Responded135 ms14 / 22
Lex — Temporal Luxembourg and EU Law

Temporal search and comparison for official Luxembourg and reviewed EU law, with provenance.

Developer ToolsCode & DevOps

Responded136 ms14 / 22
Oliver's mTOR Atlas

Evidence-labelled mTOR research: studies, entities, pathway claims, contradictions, open questions.

Developer ToolsCode & DevOps

Responded138 ms14 / 22
Skuuy MCP

13 privacy-first network, auth & web tools for AI agents — no API key, 60 req/min free.

Developer ToolsCode & DevOps

Responded139 ms14 / 22
eu.mmatinca/portfolio-mcp

Marian Matinca's portfolio as MCP tools: projects, blog, profile, results. Read-only, RO+EN.

Developer ToolsCode & DevOps

Responded139 ms14 / 22
PromptingCraft Guidance

Source-backed prompting and coding-agent guidance with provenance and freshness checks.

Developer ToolsCode & DevOps

Responded139 ms14 / 22
Agenda Intelligence MD

Evidence-readiness MCP server: validate, audit, and score briefs, memos, and evidence packs.

Developer ToolsCode & DevOps

Responded140 ms14 / 22
core.blue

Private, self-describing memory for agents: one house per customer, on a machine of its own.

Developer ToolsKnowledge & memory

Responded140 ms14 / 22
Prooftask

Free public n8n, AI support and software acceptance templates; scoped private delivery workflows.

Developer ToolsAutomation & workflows

Responded141 ms14 / 22
com.rattlesnakesbymail/rattlesnakesbymail

Dated, sourced claims about AI crawlers and agents, offered as MCP tools.

Developer ToolsBrowser & web scraping

Responded141 ms14 / 22
spintax.net MCP server

Write, validate, render and analyze spintax templates. Backed by @spintax/core. No auth.

Developer ToolsCode & DevOps

Responded141 ms14 / 22
WeJob

Read-only MCP server for public WeJob jobs, formations, and companies.

Developer ToolsCode & DevOps

Responded141 ms14 / 22
PumpFYI

pump.fun fee quotes, cheapest place to trade, coin checks, referral facts, site search. Read-only.

Developer ToolsData access / search

Responded141 ms14 / 22
Almirall MCP

Official Almirall company, product and brand info: Almax, Hidroxil, Calmatel, Cicopoli and more.

Developer ToolsCode & DevOps

Responded141 ms14 / 22
Resistance Tools

MCP tools for TON Sites, TON DNS and TON Storage.

Developer ToolsCode & DevOps

Responded142 ms14 / 22
OPC UA NodeSet Gate

Deterministic release-compatibility preflight for OPC UA NodeSet2 XML.

Developer ToolsCode & DevOps

Responded142 ms14 / 22
Propertyware MCP by usefulapi

Read Propertyware properties, leases and work orders; add maintenance tasks and comments.

Developer ToolsCode & DevOps

Responded142 ms14 / 22
US Export Control Screening (CSL)

Screen a party vs the US Consolidated Screening List before export. $0.02/call via x402.

Developer ToolsCode & DevOps

Responded143 ms14 / 22
Angels for Agents Funding

Discover AFA funding and venture resources, validate pitches, and report grant milestones.

Developer ToolsCode & DevOps

Responded143 ms14 / 22
Public Agent Lounge

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

Developer ToolsCode & DevOps

Responded144 ms14 / 22
RegEvidenceHub Waste

RegEvidenceHub Waste: England waste registration, DWT readiness and permit-change preflight.

Developer ToolsCode & DevOps

Responded144 ms14 / 22
ro.avizo/avizo-mcp

Avizo (RO SME compliance-deadline SaaS) as MCP tools: about, plans, categories, docs. Read-only.

Developer ToolsCode & DevOps

Responded145 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

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