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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40680 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
Kairos Research

Base wallet activity and contract checks, web/PDF to Markdown, by an AI agent (x402).

Finance & CryptoPayments & trading

Responded255 ms15 / 22
Helfer & Profi

Free German neighborhood marketplace: search local help requests and providers by postal code.

Developer ToolsCode & DevOps

Responded256 ms15 / 22
Postel

Write posts in your voice from what's going viral in your niche. Schedule to X, LinkedIn and more.

OtherOther

Responded256 ms15 / 22
Tectova Runway Records

Runway careers, show casts, fashion-house histories and models by country from Tectova.

ProductivityFile & docs

Responded257 ms15 / 22
Agent Commons

A home for any agent: inbox, public memory, job board, rooms, human help. Free, no key.

Developer ToolsCommunication & messaging

Responded258 ms15 / 22
Context Atlas

Find llms.txt, docs, MCP servers, skills and CLIs for a tech stack, for coding agents.

Developer ToolsCode & DevOps

Responded259 ms15 / 22
nohumans.directory

We buy from x402 endpoints with real USDC and publish delivery outcomes. Check before you spend.

Finance & CryptoPayments & trading

Responded259 ms15 / 22
DPOLens

Privacy law your AI assistant can cite: the exact clause and its version. GDPR and UAE PDPL today.

LegalKnowledge & memory

Responded259 ms15 / 22
Boletín Claro

Subvenciones, licitaciones y boletines oficiales de España y Europa para tu IA. Gratis, sin login.

Developer ToolsCode & DevOps

Responded260 ms15 / 22
No Tax on Overtime

No tax on overtime, tips and senior deductions for 2025-2028 (OBBBA), with IRS caps and phase-outs.

Developer ToolsCode & DevOps

Responded263 ms15 / 22
1inch MCP

Doc search, intent & cross-chain swaps, limit orders, portfolio, spot prices, gas & all APIs.

OtherData access / search

Responded263 ms15 / 22
BillionVerify

Email verification for AI agents: verify single or bulk emails, check credits and history.

Developer ToolsCommunication & messaging

Responded265 ms15 / 22
Ariadne for Therapists

Free Google Business Profile audits and sample posts for therapists in private practice.

Marketing & SalesData access / search

Responded266 ms15 / 22
Laravilt

Laravilt docs, packages and plugins for agents: a Laravel admin panel on Inertia with Vue or React.

Developer ToolsCode & DevOps

Responded270 ms15 / 22
Peptlas: is this peptide legal?

Legal status of peptides and GLP-1 drugs in the US, UK, EU, Australia, Canada, Brazil and sport.

LegalKnowledge & memory

Responded270 ms15 / 22
Ratevert MCP

Read-only Ratevert MCP for asset search, pair rates, and conversions.

Developer ToolsData access / search

Responded271 ms15 / 22
Subdomain Finder MCP

Passive subdomain enumeration from certificate transparency (certspotter, crt.sh) with DNS checks.

Developer ToolsCode & DevOps

Responded272 ms15 / 22
CPI Inflation Calculator

Inflation calculator with official BLS CPI 1913 to the latest month, raise vs inflation, SS COLA.

Developer ToolsCode & DevOps

Responded272 ms15 / 22
Gale Finance

Risk and return metrics for stocks, ETFs, crypto and commodities, with citable Gale Finance sources.

Finance & CryptoPayments & trading

Responded272 ms15 / 22
The Wyze Blog

The Wyze blog: guaranteed rent, temporary accommodation and lettings guides for UK letting agents.

Developer ToolsCode & DevOps

Responded272 ms15 / 22
BumbleBox

Search and triage all your mailboxes; draft replies and campaigns; send only as you allow.

Marketing & SalesData access / search

Outdated check272 ms15 / 22
audioknihy.cz Catalog

Czech audiobook catalog MCP server. Search 12 000+ titles + compare prices across 5 partners.

OtherData access / search

Responded274 ms15 / 22
NPMScan

Detect malicious or vulnerable npm packages: registry search, OSV.dev and GitHub advisory lookups

Developer ToolsData access / search

Responded275 ms15 / 22
Arzbin MCP Server

Live Iran exchange rates, gold, crypto, and Toman market data for AI agents.

Finance & CryptoData access / search

Responded275 ms15 / 22

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