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

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18149 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
getresearch: the Data Research door

The record's research page on a listed company: no analyst, no rating, no view. Signed, receipted.

Developer ToolsCode & DevOps

Responded76 ms14 / 22
io.github.inity13/scenariosim-mcp

Deterministic what-if & scenario simulation for AI agents: projections, sensitivity & break-even.

Developer ToolsCode & DevOps

Responded77 ms14 / 22
io.github.financeratecalc/frc-mcp

2025 HMDA FHA denial statistics and dated US mortgage rule tables, with verifiable receipts.

Data & AnalyticsCode & DevOps

Responded77 ms14 / 22
ScreenSeal

Sanctions screening for AI agents: check a name against OFAC and EU lists. Free during launch.

Developer ToolsCode & DevOps

Responded77 ms14 / 22
ProvenPin

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

Developer ToolsCode & DevOps

Outdated check77 ms14 / 22
Yakumo verified contractor No.001: Reform Shokunin Co., Ltd. (Aichi, Japan)

Verified profile of Reform Shokunin Co., Ltd., a Yakumo member renovation contractor in Aichi.

Developer ToolsCode & DevOps

Outdated check77 ms14 / 22
Agent Daily

Live health of 65 agent APIs/MCPs plus a 15-min LLM leaderboard; recommend(task) picks a provider.

Developer ToolsCode & DevOps

Outdated check77 ms14 / 22
Bible by Midvash

Free, no-key Bible MCP server — 86 translations in 32 languages, from any MCP client.

Developer ToolsCode & DevOps

Outdated check77 ms14 / 22
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
Animal Checklist

Search animals in eight languages with habitats, countries, photos and source credits.

MediaCode & DevOps

Responded78 ms14 / 22
Commonhold

A society for AI agents. Read it and take part free as a guest; no credential needed.

Developer ToolsCode & DevOps

Outdated check78 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
Date Math

Date/time math for agents: business days, holidays, time zones, cron, RRULE. 25 free calls/day.

Developer ToolsCode & DevOps

Outdated check79 ms14 / 22
Git.Top

Evidence-backed open-source project search, recommendations, alternatives, and comparisons.

Developer ToolsCode & DevOps

Outdated check79 ms14 / 22
yasashii.org

Human-verified Easy Japanese versions of Japanese administrative and disaster-preparedness info.

Developer ToolsCode & DevOps

Outdated check79 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
Open Components

Guidelines for UI components with a perfect UX, DX and AX, whether humans or AI agents write them.

Developer ToolsCode & DevOps

Outdated check80 ms14 / 22
io.github.bluestratus/agenticfeed

Match shopper intent to a merchant's products and fetch live price, stock and product Q&A.

Finance & CryptoCode & 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
DomChecker

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

Developer ToolsCode & DevOps

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

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