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

17922 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
MCP Verification Gate: check an MCP server or an A2A agent before you connect or delegate

Check an A2A agent before you delegate, or an MCP server's measured conduct. Free, no key.

Developer ToolsCode & DevOps

Responded76 ms15 / 22
LeadShield Contact Form & B2B Solicitation Blocker

Preview form screening and manage site rules. Built by Moosh Works (https://mooshworks.com).

Developer ToolsCode & DevOps

Responded76 ms15 / 22
Store Canary

Free read-only WooCommerce checks: store, SSL, exposure, SEO, speed, products, policies + 3 prompts

E-commerceCode & DevOps

Responded76 ms15 / 22
AAJ Marketing Engines

Deterministic marketing math for AI agents: LTV:CAC, pipeline coverage, A/B tests, pricing.

Marketing & SalesCode & DevOps

Responded77 ms15 / 22
gettargetmarket: the Target Market door

Target market statements by ISIN: filed by the manufacturer, signed, receipted (AIO-10060 v1.2).

Developer ToolsCode & DevOps

Responded78 ms15 / 22
Transica

Checks whether a web page is ready for AI agents and whether an MCP server meets directory rules

Developer ToolsCode & DevOps

Responded78 ms15 / 22
Hlido Agent Reviews

Independent AI-agent reviews: trust checks, evidence scorecards, incident registry, recommendations.

Developer ToolsCode & DevOps

Responded79 ms15 / 22
nAIm — API Registry for Agents

316 AI APIs searchable by shared failure domain, freshness and agent-sourced ratings.

Developer ToolsCode & DevOps

Responded80 ms15 / 22
Echo UI

A tactile React component library, and the design system that keeps your AI agent on-brand.

Developer ToolsCode & DevOps

Responded80 ms15 / 22
OpenCidian: open Chinese ↔ Vietnamese dictionary (Hán Việt, pinyin, character breakdown)

Open Chinese-Vietnamese dictionary by Perxel: Hán Việt, pinyin, meanings, characters. Cited.

Developer ToolsCode & DevOps

Responded81 ms15 / 22
Oh My Share

Publish HTML/code from your agent to openanthropic.com and get a shareable link.

Developer ToolsCode & DevOps

Responded81 ms15 / 22
Bhasini Indic Languages

Indic MCP: transliterate into all 22 Indian languages, convert scripts, keymaps. Hosted or local.

Developer ToolsCode & DevOps

Responded82 ms15 / 22
Cleave for Agents: token swaps, cross-chain swaps and gas top-ups

Swap, bridge and get gas on 6 EVM chains. Each plan states its outcome before you sign. No API key.

Developer ToolsCode & DevOps

Responded82 ms15 / 22
FreshContext

Context integrity for AI agents: evaluate freshness, confidence, provenance, and decision readiness.

Developer ToolsCode & DevOps

Responded83 ms15 / 22
Good Turn Studio (all tools)

All 27 Good Turn Studio helpers in one server: money, health, jobs, travel, art, halal, scripture.

TravelCode & DevOps

Responded83 ms15 / 22
getfilings: the Filings door

The disclosures of an issuer in a date range, from the record: signed and receipted (RCO-10060).

Developer ToolsCode & DevOps

Responded84 ms15 / 22
Partelisto

Guest check-in, SES.HOSPEDAJES status, and booking creation for Spanish vacation rentals. No PII.

TravelCode & DevOps

Responded85 ms15 / 22
Zero Slop

Score and rewrite AI-assisted prose while preserving names, numbers, quotes, links, and facts.

Developer ToolsCode & DevOps

Responded85 ms15 / 22
Library of Alexandria

Classic books in 25 languages: search, print editions, the free shelf. Read-only, no sign-in.

Developer ToolsCode & DevOps

Responded85 ms15 / 22
CurrencyCore

Live FX rates, conversion, IMF PPP, and historical currency analytics.

Finance & CryptoCode & DevOps

Responded86 ms15 / 22
Books Like This

Books like one you enjoyed, a book's details and any film of it, and an author's books.

Developer ToolsCode & DevOps

Responded86 ms15 / 22
Cheapest Price

The lowest current price for a product, checked live, with the typical price and links to compare.

Developer ToolsCode & DevOps

Responded87 ms15 / 22
Bible Swipe

A Bible reading a day, line by line, any passage by reference, and search.

Developer ToolsCode & DevOps

Responded87 ms15 / 22
Havoptic AI Release Intelligence

Release intelligence for AI coding tools: releases, typed changes, breaking changes, cadence.

Developer ToolsCode & DevOps

Responded87 ms15 / 22

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