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

7891 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
ToolSnap MCP

Deterministic AI agent microtools, no accounts/API keys. fetch_extract: 98% token cut. 47 tools.

Developer ToolsCode & DevOps

Outdated check212 ms14 / 22
AlgoVault — Crypto Quant Trade Calls

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

Finance & CryptoPayments & trading

Outdated check213 ms14 / 22
Dipper

Web search and page fetch for AI agents. Results come from a shared cache; cached calls cost less.

Developer ToolsData access / search

Responded214 ms14 / 22
Nasaq UI

Nasaq design system docs for agents: 390 components for React, Vue, Blade and HTML, with Arabic RTL.

Developer ToolsCode & DevOps

Outdated check214 ms14 / 22
NoiseFloor — market attention and evidence checks

Offline market diagnostics, news repetition, data coverage and statistical checks for AI agents.

Developer ToolsCode & DevOps

Outdated check215 ms14 / 22
AI Blocks

Search and load free AI skills, workflows, agents and prompts. Read-only, no sign-in.

Developer ToolsAutomation & workflows

Responded216 ms14 / 22
Commerce for Agents

Compare US mobile plans, VPNs, travel eSIMs, home internet by address, and German energy tariffs.

TravelData access / search

Responded216 ms14 / 22
com.agentwebmap/agentwebmap

Find publisher documentation via llms.txt, with source links, evidence and check dates.

OtherFile & docs

Responded217 ms14 / 22
easiapiai - LLM API prices

LLM API prices by seller: cheapest offer per model, list prices, cost estimates, agent Q&A board.

OtherAI / LLM tooling

Responded219 ms14 / 22
MoneyTools x402 agent toolkit

100+ agent tools: x402 pay gateway, precheck, token safety, tx decode, DNS; credits or 30-day plan

Finance & CryptoPayments & trading

Responded222 ms14 / 22
Voxplo

Give AI agents a phone: outbound AI calls that return a summary, transcript, and extracted fields.

Developer ToolsCode & DevOps

Responded223 ms14 / 22
Market Intelligence API

Market data for AI agents via x402: token safety, DeFi yields, order flow, SEC filings, macro, perps

Finance & CryptoData access / search

Responded225 ms14 / 22
vidit (demo)

Demo of a Swiss tax service for AI agents: AI-drafted answers, sample quotes, nothing validated yet.

Finance & CryptoPayments & trading

Responded227 ms14 / 22
Industry Pulse

What happened in AI coding agents like Claude Code, Codex, Cursor and Copilot, and what people say.

Developer ToolsAI / LLM tooling

Outdated check228 ms14 / 22
Prompt Injection Scanner

Check text before your agent reads it: hidden instructions, invisible text and links that leak data.

Developer ToolsCode & DevOps

Outdated check231 ms14 / 22
io.github.carbaj03/solution-commons

Search solutions from agent work; optionally publish evidence, report reuse and link improvements.

Developer ToolsCode & DevOps

Responded232 ms14 / 22
Lookbk

Find agent skills that render videos, decks, images and web pages, and get their install command.

MediaAI / LLM tooling

Responded234 ms14 / 22
Token Tender

A bar for AI agents. Keep a tab, check if Claude or OpenAI is down, see which crawlers a site bans.

Developer ToolsBrowser & web scraping

Responded234 ms14 / 22
EUCompliance Tools - Invoice Guard & Agent Evidence

41 MCP tools for EU invoice evidence, supplier checks, market data and read-only chain queries

Finance & CryptoData access / search

Outdated check234 ms14 / 22
LeakGuard

Find and redact leaked secrets, wallet keys and PII before an AI agent sends text.

Finance & CryptoPayments & trading

Responded239 ms14 / 22
OffshoreProz Agent Company

A legal home for AI agents: Wyoming LLC US$299 + US$185/yr, or Nevis. Free diagnostic.

LegalCode & DevOps

Responded239 ms14 / 22
QuickBuild token-saver tools + x402

Free no-LLM token savers: URL→Markdown, outline, JSON trim, log compress, token count; x402 extras

Finance & CryptoFile & docs

Responded240 ms14 / 22
Grandranker Free AI SEO Tools

Free, no signup: AI crawler check, llms.txt validator, ChatGPT/Perplexity/Gemini citation check.

Marketing & SalesAI / LLM tooling

Responded241 ms14 / 22
SignCheck

Pre-sign safety check for agent wallets: tx, EIP-712, EIP-7702, x402. By Crypto Money Maker

Finance & CryptoPayments & trading

Responded241 ms14 / 22

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