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.

Connect your agent

41473 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
Ravenpost

Schedule & publish social media posts to Instagram, TikTok, X, LinkedIn, YouTube, Pinterest & more.

Marketing & SalesData access / search

Responded335 ms15 / 22
StatusCast MCP by usefulapi

Read page status, components, uptime, incidents and content templates in StatusCast.

Developer ToolsMonitoring & observability

Responded335 ms15 / 22
Movie Scene Map

Where films and TV were shot, and where games, anime and manga are set. Wikidata, read only, CC0.

MediaAI / LLM tooling

Outdated check336 ms15 / 22
Bill.pt MCP by usefulapi

List invoices, contacts, items and stock, and create contacts in Bill.pt.

Finance & CryptoPayments & trading

Responded337 ms15 / 22
Adafruit IO MCP by usefulapi

Read Adafruit IO feeds, data, groups and dashboards; publish a data point or create a feed.

Data & AnalyticsData access / search

Responded337 ms15 / 22
AgentStack (agentstack.tech)

Backend for AI agents: one batched tool over ~668 actions (hosting, storage, auth, payments).

Finance & CryptoPayments & trading

Outdated check337 ms15 / 22
UGC Fans

Make ads, images and video from a URL; every paid generation is quoted in credits first

MediaAI / LLM tooling

Outdated check337 ms15 / 22
Limzo Telegram Group Stats

Read-only stats for public Telegram groups tracked by Limzo, the anti-spam bot. No API key.

OtherCommunication & messaging

Outdated check337 ms15 / 22
com.thecrowdspace/crowdspace

Search 900+ crowdfunding and P2P lending platforms, market data and regulation by country.

Finance & CryptoData access / search

Responded341 ms15 / 22
Crypto Regime MCP

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

Finance & CryptoPayments & trading

Outdated check341 ms15 / 22
com.x402-list/x402-list-mcp

Find and vet x402 payment APIs before your agent pays one: uptime, price, on-chain volume.

Finance & CryptoPayments & trading

Responded342 ms15 / 22
NaKus unit price

Slovak unit prices (€/piece, €/kg…) + Cite compare via nakus.sk — buy_url only.

OtherOther

Responded342 ms15 / 22
AP Score Distributions

Official College Board AP score distributions 2026, 2025, 2024: percentiles, pass rates.

Developer ToolsCode & DevOps

Responded342 ms15 / 22
Print and Mail Company

Print and mail real letters worldwide from the EU, incl. registered mail. Quote, compose, send.

OtherOther

Outdated check342 ms15 / 22
Findabis

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

HealthcareData access / search

Outdated check344 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
VulKill Security

Autonomous AppSec & DAST scanner across 12 security domains (260+ controls) with 3-Layer Triage.

Developer ToolsCode & DevOps

Outdated check346 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
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
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
SameDayDesk agent tools

Readiness checks, a paid Fix Pack, TaskMarket reads, and caller-declared funnel evidence.

Developer ToolsCode & DevOps

Outdated check350 ms15 / 22
DaedalMap Administrative Boundaries (loc_id to polygon)

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

OtherOther

Outdated check350 ms15 / 22

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