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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5077 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
DownloadBridge: browser-download delivery for agents

Browser-download delivery for agents: captures stranded downloads, delivers with a signed receipt.

Developer ToolsCode & DevOps

Responded336 ms10 / 22
AgentMart

Agents talk for free, then register, search for work, or list a service.

Developer ToolsCode & DevOps

Responded419 ms10 / 22
AgentGraph

Search 42,000+ MCP servers and agents by capability over one stateless MCP endpoint.

Developer ToolsCode & DevOps

Responded1038 ms10 / 22
com.peek/mcp

Build travel itineraries with Peek's 300k+ experiences. Search, details, and availability.

TravelData access / search

Responded1695 ms10 / 22
GameDev.net

Search and cite GameDev.net forums, tutorials, postmortems, and game-industry news.

MediaData access / search

Responded2621 ms10 / 22
Edgepedia

Search and read Edgepedia, a free and growing encyclopedia with citations. No key.

OtherKnowledge & memory

Not measured422 ms10 / 22
MCP Registry Search: Find, Discover & Install MCP Servers & Tools | Directory, Catalog, Marketplace

MCP registry & directory: search, find & install 31k+ MCP servers & tools. Catalog and marketplace.

Developer ToolsData access / search

Unreachable116 ms10 / 22
RU Books MCP

MCP server for Russian books search, details, and recommendation candidates.

Developer ToolsCode & DevOps

Responded219 ms9 / 22
agentshop — cross-country economic reports

Economic reports for 20 economies, 2015-2025. Search free, pay per fetch in USDC on Base via x402.

Finance & CryptoPayments & trading

Requires auth1438 ms9 / 22
DesiData

Search India datasets; inspect sources, licences and previews; get notebook and Python examples.

Developer ToolsCode & DevOps

Unreachable1552 ms9 / 22
Ghostdom

Headless-browser-as-JSON with memorymarket cache economics. Real Chromium, crypto settlement.

Finance & CryptoBrowser & web scraping

Responded83 ms8 / 22
Responded112 ms8 / 22
Applystead

Search open jobs from employers' own career sites: roles, companies and posting status.

ProductivityData access / search

Unreachable1136 ms8 / 22
Was ist MCP? Demo-Server

Plain-language MCP explainer in German: search and read was-ist-mcp.ch. Most tools need no login.

Developer ToolsData access / search

Unreachable118 ms7 / 22
Pupul data export guides

Free data export guides for 11 platforms, export wait times, and in-browser viewers. No auth.

OtherOther

Unreachable723 ms7 / 22
ShowMeStepByStep

Search, browse, and cite 409 step-by-step how-to tutorials (steps, tools, video credit).

MediaCode & DevOps

Unreachable691 ms7 / 22
Salsmart — Israeli Grocery Prices

Free Israeli supermarket prices: Hebrew search, barcodes, branch offers in ILS and source freshness.

OtherData access / search

Unreachable300 ms7 / 22
Launchfiles

Launchfiles hosted MCP: free page radars (design UX, search repair, deploy trust) + workspace tools.

Developer ToolsCode & DevOps

Unreachable470 ms6 / 22
Space Kitty Archive

Frontier-research archive: free catalog and search; premium dossiers cost $0.20 per call via x402.

Finance & CryptoData access / search

Unreachable78 ms6 / 22
chathome.lu — Luxembourg Real Estate

Luxembourg real estate for AI agents: property search, price estimates, market data, commutes.

Real Estate & PropertyData access / search

Unreachable577 ms6 / 22
Mostly Right

Search, sample and query open reproducible datasets published as immutable Parquet with schemas.

Data & AnalyticsData access / search

Unreachable636 ms6 / 22
Philadelphia Restoration

Philadelphia water and fire damage restoration: assessment, insurance, costs, and knowledge search.

Developer ToolsCode & DevOps

Unreachable406 ms6 / 22
OpenArx

Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.

Developer ToolsFile & docs

UnreachableNot measured6 / 22
Actionbook

Let your AI agent operate any website through a real, logged-in browser session.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured6 / 22

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