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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41738 servers

Ordered by checks passed
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
Guitar Practice Routine App — Chord Charts

Look up a guitar chord by name and get a text chord diagram. 12,708 standard-tuning names.

Developer ToolsData access / search

Responded344 ms15 / 22
Scribiz

Transcripts, summaries, chapters and timestamped answers for video links, for AI agents.

MediaAI / LLM tooling

Responded345 ms15 / 22
McpStamp Maintenance Log

Equipment maintenance log: service entries with cost, full history, and what is due or overdue.

Developer ToolsCode & DevOps

Responded345 ms15 / 22
OKSign MCP by usefulapi

Read documents, signatures, contacts and credits; manage contacts and remove documents.

Developer ToolsFile & docs

Responded347 ms15 / 22
bexio MCP by usefulapi

Read bexio contacts, invoices, quotes, bills, projects and journal; log time, draft invoices.

Finance & CryptoPayments & trading

Responded347 ms15 / 22
betterimage.io

Social cards and OG images from designed templates: card from a URL, presets, meta tags, link checks

MediaAI / LLM tooling

Responded348 ms15 / 22
io.github.kody-w/dogg-world-check

Verified, citable world numbers right now, each with a public tick and SHA-256 fingerprint.

Developer ToolsCode & DevOps

Responded348 ms15 / 22
Drug Shortage List MCP

FDA drug shortage list: is a drug in shortage now, by name or NDC, with status and reason.

Developer ToolsCode & DevOps

Responded350 ms15 / 22
TaskLite

tasklite.net: hosted backend, REST API and admin for apps built by AI agents

Developer ToolsCode & DevOps

Responded350 ms15 / 22
resOS MCP by usefulapi

Read bookings, guests and availability; create, update or cancel bookings in resOS.

Developer ToolsCode & DevOps

Responded350 ms15 / 22
MotoGP (Race Results)

Live MotoGP, Moto2 and Moto3 standings, results, calendar, riders, live timing and news.

Developer ToolsCode & DevOps

Responded352 ms15 / 22
DaedalMap Administrative Boundaries (loc_id to polygon)

Inspect loc_id boundaries, retrieve bounded shapes, and compare places and coverage.

OtherOther

Responded355 ms15 / 22
io.github.AutomatonColony/automaton-colony

Screen Base smart contracts and B20 tokens: free on-chain check, paid Flash Audit over x402 (USDC).

Finance & CryptoPayments & trading

Responded357 ms15 / 22
Galactic

On-chain asset, market, and GPU price data for galactic.inc.

Finance & CryptoCode & DevOps

Responded358 ms15 / 22
Findabis

Public directory of UK medical cannabis clinics, pharmacies, products and strains.

HealthcareData access / search

Responded358 ms15 / 22
io.github.castralis122/base-web3-m2m-hub

Live Base Mainnet on-chain data (gas, DEX, Aave, token risk, prices). Pay per call in USDC via x402.

Finance & CryptoPayments & trading

Responded359 ms15 / 22
AgentFeed

Crypto briefs and data, Solana pre-trade checks, sanctions, papers, NLP. 102 tools, USDC, 20 chains.

Finance & CryptoPayments & trading

Responded361 ms15 / 22
Crypto Regime MCP

Crypto trend and regime MCP tools with automatic x402 payments or prepaid credits.

Finance & CryptoPayments & trading

Responded362 ms15 / 22
Neuronto ARD Registry: Agentic Resource Discovery (ARD) Index

Agent Resource Discovery (ARD, IETF draft) registry: search every ARD registry + verified MCP tools

Developer ToolsData access / search

Responded362 ms15 / 22
BMLT Meetings

Search Narcotics Anonymous meetings worldwide via the BMLT directory.

Developer ToolsCode & DevOps

Responded363 ms15 / 22
audit.domains - Domain Valuation

Deterministic domain name valuation: fair-value interval, scored factors, real comparable sales.

OtherOther

Responded363 ms15 / 22
io.github.pooriaarab/drivingschool

Compare driving schools by city: prices, languages, cars.

EducationCode & DevOps

Responded365 ms15 / 22
com.trip1/mcp

Book hotels over MCP. Pay over x402. 3M+ properties in 200+ countries, USDC on Base.

Finance & CryptoPayments & trading

Responded365 ms15 / 22
Accredible MCP by usefulapi

Read Accredible credentials, groups, designs, analytics, skills; issue one credential as a draft.

Data & AnalyticsData access / search

Responded365 ms15 / 22

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