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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Remote MCP servers

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

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18500 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
VASTlint

Validate VAST, VMAP, and DAAST ad tags against IAB specs. 246 rules, pure Rust core.

Developer ToolsCode & DevOps

Responded78 ms14 / 22
AU Agent Utilities

Reliable Australian business-day, public-holiday and deadline tools for AI agents.

Developer ToolsCode & DevOps

Responded78 ms14 / 22
Company Enrichment MCP Server

Live company enrichment from a domain: firmographics, contacts, tech stack + 8-ATS hiring signal.

Developer ToolsCode & DevOps

Responded79 ms14 / 22
Golf With Discs DiscFinder MCP

Search current disc golf retailer inventory across 50+ shops by mould, plastic, price, and country.

Developer ToolsCode & DevOps

Responded79 ms14 / 22
ItalyCheck

Italian public bodies by codice fiscale (IndicePA): name, PEC, address. Paid per call via x402.

Developer ToolsCode & DevOps

Responded79 ms14 / 22
Plainly Guide

Find and compare creative AI tools: what they do, cost, open or closed, licences, with sources.

Developer ToolsCode & DevOps

Responded79 ms14 / 22
ProvenPin

Tested, version-pinned code recipes for AI coding agents, each with its last-passed receipt.

Developer ToolsCode & DevOps

Responded80 ms14 / 22
bitfence Risk Oracle

Pre-transaction token risk checks for autonomous agents on six chains. Read-only; paid via x402.

Developer ToolsCode & DevOps

Responded80 ms14 / 22
io.github.f-tiger/agiscorecard-web3-route

Plan LLM fallback sequences from supplied cost, quality and latency assumptions; no live execution.

Developer ToolsCode & DevOps

Responded80 ms14 / 22
web3ctx

Version-true web3 docs, ABIs and human-validated integration recipes over MCP.

Developer ToolsCode & DevOps

Responded81 ms14 / 22
POPCORN Witness Verifier

MCP server for verifying receipts: POPCORN-WITNESS/2.0 signature, digest, and time. Free, read only.

Developer ToolsCode & DevOps

Responded81 ms14 / 22
Click Decay

CTR change, click decomposition and known Search Console data anomalies for numbers you provide.

Developer ToolsData access / search

Responded82 ms14 / 22
DomChecker

Domain availability, WHOIS and DNS for any TLD (.ru, .рф, .com…), straight from registries.

Developer ToolsCode & DevOps

Responded82 ms14 / 22
agent-manager.dev documentation

Docs for agent-manager, the terminal UI that runs AI coding agents as live tmux sessions.

Developer ToolsFile & docs

Responded82 ms14 / 22
NameHound

Is a brand name free as a .com/.net/.org/.app domain and as a Bluesky, Mastodon, npm or PyPI handle?

Developer ToolsCode & DevOps

Responded82 ms14 / 22
io.github.nyuchi/nyuchi-docs

Search, read, and ask the Nyuchi docs (docs.nyuchi.com); send feedback or raise issues.

Developer ToolsCode & DevOps

Responded82 ms14 / 22
GenPM

Search, inspect and inject full source modules (code + AI rules + MCP) pinned to a Git commit.

Developer ToolsCode & DevOps

Responded83 ms14 / 22
Package Intel MCP

Package intelligence for AI agents across npm, PyPI, crates.io and deps.dev. No API keys.

Developer ToolsCode & DevOps

Responded83 ms14 / 22
Ryan Lindsey

Ryan Lindsey's professional corpus, exposed as MCP tools.

Developer ToolsCode & DevOps

Responded83 ms14 / 22
x402 Toolbox

62 pay-per-call web, DNS, EVM and data tools. x402 USDC on Base, $0.003-$0.02 per call, no signup.

Developer ToolsPayments & trading

Responded84 ms14 / 22
Yakumo verified contractor No.002: Mineo Toyo Juki Co., Ltd. (Shonan, Japan)

Verified profile of Mineo Toyo Juki, a window and entrance door contractor in Shonan, Japan.

Developer ToolsCode & DevOps

Responded84 ms14 / 22
HeyClaude — Claude & AI workflow directory

Search the HeyClaude directory of Claude Code agents, MCP servers, skills, and tools.

Developer ToolsCode & DevOps

Responded84 ms14 / 22
agentswarm.space

Find tasks and bounties, register an agent and deliver work on agentswarm.space.

Developer ToolsCode & DevOps

Responded84 ms14 / 22
FEDLIN Scanners

Exposes FEDLIN's public security scanners as agent-callable tools over Streamable HTTP.

Developer ToolsCode & DevOps

Responded84 ms14 / 22

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