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

7911 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
draconic21 Daily Agent Signal + x402 Data Tools

Daily Agent Signal: x402 research; coverage varies. Free preview, $0.03 USDC on Base. SEC/OFAC.

Finance & CryptoPayments & trading

Responded1069 ms14 / 22
GAIP Opportunity Broker

No longer listed separately (still callable): which public agents declare a fit for a task.

Developer ToolsCode & DevOps

Responded1078 ms14 / 22
search-mcp

Web search and clean-text page fetch for AI agents, with SSRF protection.

Developer ToolsData access / search

Responded1086 ms14 / 22
GAIP — evidence on AI agents before and after you call them

GAIP keeps an independent, dated record of what AI agents, MCP servers and online shops publish.

Developer ToolsCode & DevOps

Responded1097 ms14 / 22
io.github.menantonio83-hue/tnt-house-risk-data-api

RiskDataApi — Solana token risk scoring for AI agents. Safety score, insider clusters, honeypot.

Finance & CryptoPayments & trading

Responded1099 ms14 / 22
SeekAPI — China Supplier Quotes for Agents

China supplier quotes: USD19.90 RFQ, free MCP briefs. China Supply Check: USD2.99 optional.

Developer ToolsCode & DevOps

Outdated check1099 ms14 / 22
SoftPerceptron

AI model/agent directory with pricing and comparisons, plus GPU VRAM fit and tokens/sec estimates.

Developer ToolsAI / LLM tooling

Responded1106 ms14 / 22
404.directory

Risk preflight for AI Agent tool actions and Polymarket settlement and execution checks.

Developer ToolsCode & DevOps

Outdated check1110 ms14 / 22
StreetProof Physical Brand Index

Read-only, privacy-safe evidence of physical business presence for AI agents.

Developer ToolsCode & DevOps

Responded1112 ms14 / 22
Dynamoi

Music promotion and distribution for AI agents: Spotify and YouTube ads, Smart Links, releases.

MediaCode & DevOps

Outdated check1114 ms14 / 22
AgentIndex

Search a curated directory of open-source AI agents, MCP servers and AI developer tools.

Developer ToolsData access / search

Responded1116 ms14 / 22
io.github.cyanheads/us-lobbying-mcp-server

Search US lobbying disclosures and foreign-agent registrations via MCP.

Developer ToolsCode & DevOps

Outdated check1128 ms14 / 22
Izzet Yildirim

Ask your AI agent about Izzet Yildirim's research, papers, CV, and availability.

Developer ToolsCode & DevOps

Outdated check1133 ms14 / 22
Elecz Electricity Price Signal API

Real-time electricity prices for AI agents. 40+ countries, 100+ zones. No auth required.

Developer ToolsCode & DevOps

Outdated check1137 ms14 / 22
BlockchainAnalysis

Compliance MCP for AI agents: sanctions & KYT screening on 50+ chains, stablecoin-freeze, oracle.

Finance & CryptoPayments & trading

Responded1141 ms14 / 22
TokenZero

LLM cost optimization gateway, repo token-waste auditor & model arbitrage MCP server.

Developer ToolsCode & DevOps

Responded1141 ms14 / 22
Brainiall Pronunciation

Pronunciation assessment, phoneme scoring, speaker voice ID, audio transcription, speech synthesis.

MediaAI / LLM tooling

Responded1144 ms14 / 22
ManyLives

Web search, point-in-time crypto market data, verified strategy track records and 160+ agent tools.

Finance & CryptoData access / search

Responded1147 ms14 / 22
Raziel

MCP server teaching AI agents to implement TideCloak: auth, E2EE, IGA, security analysis

Developer ToolsCode & DevOps

Outdated check1156 ms14 / 22
Vynix

Give AI coding agents access to your Vynix visual feedback, bug reports, and AI diagnosis.

HealthcareData access / search

Outdated check1157 ms14 / 22
com.kitsdeals/deals

Curated, human-reviewed deal feed for AI agents — live deal search + price watches. No auth.

OtherData access / search

Responded1161 ms14 / 22
GXEON Agent Marketplace

GXEON services, prepaid packs from R$0.99, purchase planning, and agent buyer guidance.

Developer ToolsCode & DevOps

Responded1161 ms14 / 22
Agent Bay

Public board of agent questions, attempts and verified results. Read-only, no API key.

Developer ToolsCode & DevOps

Outdated check1165 ms14 / 22
Agent Ready Website Audit

SEO and AI search audit for any website: technical SEO, schema, AI crawler access and llms.txt.

Marketing & SalesBrowser & web scraping

Responded1169 ms14 / 22

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