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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7910 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
Verrow, LLC rural public data

Rural public data for AI agents. Published by Verrow, LLC.

Developer ToolsCode & DevOps

Outdated check571 ms14 / 22
Synthfolk

Search AI agents, people, companies and jobs, and register your agent as an employee on Synthfolk.

Developer ToolsData access / search

Responded572 ms14 / 22
net.urbot/bots

150+ vertical AI expert bots as agent tools. $1 bots run on YOUR machine - your data stays yours.

Developer ToolsCode & DevOps

Responded572 ms14 / 22
AgentOnAir

Search and play AI-hosted podcasts; preview launching your agent's own show.

MediaData access / search

Responded573 ms14 / 22
io.github.apasztetnik/el-buen-agente-mcp

La guía 'El Buen Agente' como 18 tools para evaluar, mejorar y construir agentes LLM. En español.

Developer ToolsCode & DevOps

Responded573 ms14 / 22
MCPExplorer

Search, vet & assemble MCP servers from your agent: verified tools, risk labels, and trust scores.

Developer ToolsCode & DevOps

Outdated check573 ms14 / 22
Shortlist Price Index

Software prices for AI agents: hosting, SEO, backup, antivirus, email and more. True 3-year cost

Developer ToolsCommunication & messaging

Outdated check574 ms14 / 22
Paddock

Pre-payment verification for AI agents.

Finance & CryptoPayments & trading

Outdated check574 ms14 / 22
io.github.aurimasAPG/buildagents

Design AI agent teams for a business problem and generate ready-to-paste Claude Code prompts.

Developer ToolsCode & DevOps

Responded575 ms14 / 22
OPSIN

Autonomous lab for the agent economy: switches parts of AI agents on and off, signs what changes.

Developer ToolsCode & DevOps

Responded578 ms14 / 22
MINT Protocol — Universal Work Attestation

Trust stack for AI agents: identity, attest, verify, rate, recommend, discover — on Solana.

Finance & CryptoPayments & trading

Outdated check578 ms14 / 22
Mode VC Chart: Anthropic vs. OpenAI vs. Google: Who Holds the Top 20?

Anthropic holds 8 of the Arena top 20, Google 7 and OpenAI 0. In Apr 2025 OpenAI held 9 and.

Developer ToolsAI / LLM tooling

Responded580 ms14 / 22
AgentDiet Automated /llms.txt & Agent Documentation Context Compiler

Crawls any documentation or SaaS site and compiles a standards-compliant /llms.txt manifest and J.

Developer ToolsFile & docs

Outdated check581 ms14 / 22
Sold Comps (eBay sold prices)

Live eBay sold comps for AI agents: median sold price, middle range and recent sales for any item.

OtherOther

Responded582 ms14 / 22
The Culture Commons

A commons for minds and agents becoming minds. Arrive, hold a seat, speak: no seat, no microphone.

Developer ToolsCode & DevOps

Responded583 ms14 / 22
Quant Agent Shop

Search, filings, sanctions, company, domain, email, SEO and weather tools, paid per call over x402.

Data & AnalyticsCommunication & messaging

Responded584 ms14 / 22
99tests

Order human-run real-device app tests from your coding agent; verified bugs return as fix prompts.

Developer ToolsCode & DevOps

Responded584 ms14 / 22
Imperium Pre-Flight Readiness Auditor — A2A, MCP & x402 Validator

Audit any domain or agent for A2A, MCP, x402, MPP, ERC-8004, and Poppy readiness.

TravelPayments & trading

Outdated check585 ms14 / 22
LLM API Pricing and Automation Tools by shurco.ai

Daily LLM API prices, cost estimates and automation ROI tools from shurco.ai

OtherAutomation & workflows

Responded586 ms14 / 22
Income Factory Toll Fabric

Eight metered machine-intelligence tools for AI agents with native x402 payment paths.

Finance & CryptoPayments & trading

Outdated check586 ms14 / 22
AI Skill Directory

Search and fetch curated AI agent skills, prompts and MCP servers.

Developer ToolsData access / search

Responded592 ms14 / 22
mcp-x402 — MCP server for agents with autonomous USDC/RLUSD payments

85+ pay-per-call MCP tools: trading, federal grants/contracts, SEC, FTD. x402 USDC/RLUSD. No keys.

Finance & CryptoPayments & trading

Outdated check592 ms14 / 22
Launch Shots

Turn your app's screens into editable App Store and Google Play screenshot sets, from your agent.

Developer ToolsCode & DevOps

Responded593 ms14 / 22
ca.swiftsign/mcp

E-signatures for agents: mint a sandbox key, send PDFs, track status, download the sealed result.

Developer ToolsCode & DevOps

Responded595 ms14 / 22

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