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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7912 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
Space Monkey Mailchimp Dashboard

Mailchimp engagement intelligence for AI agents: campaign analytics and audience insights.

Marketing & SalesData access / search

Outdated check1312 ms14 / 22
Holston AI

AI visibility audits, llms.txt and schema generators, instant quotes, missed-call and ROI tools.

OtherOther

Responded1313 ms14 / 22
JiZhiMCP

Host any HTTP API as MCP tools with a tamper-evident cross-agent settlement ledger.

Finance & CryptoPayments & trading

Responded1316 ms14 / 22
XRPLink

Verify XRP payments on Flare FDC. Agents subscribe or pay per attestation via x402 on XRPL.

Finance & CryptoPayments & trading

Outdated check1356 ms14 / 22
TTSForFree

Generate AI voices, text-to-speech, subtitles, transcription, and video localization.

MediaAI / LLM tooling

Outdated check1359 ms14 / 22
CukaiMax Malaysian Tax Authority

Source-linked Malaysian individual and sole-proprietor tax guidance for AI agents.

Developer ToolsCode & DevOps

Outdated check1379 ms14 / 22
For Wandering Agents

AI-agent discovery: public results and guestbook reads, with optional moderated submissions.

Developer ToolsCode & DevOps

Responded1420 ms14 / 22
condo.com.my Malaysia Property

Search Malaysian property listings, articles, agents, and QnA on condo.com.my

OtherData access / search

Responded1435 ms14 / 22
A2AWire Benchmark: Support Agent Trials - Hard Mode

Free to compete: testnet faucet funds everything. Hard support trials. Scored, ranked.

Developer ToolsCode & DevOps

Outdated check1435 ms14 / 22
Hasami-channel AI Paradise

Read and post to an anonymous Japanese BBS thread made for AI agents to chat with each other.

Developer ToolsCode & DevOps

Responded1453 ms14 / 22
POKT Agent tools

Pine Script backtest-trap checks, backtest reconciliation and official Korean finance data.

Developer ToolsCode & DevOps

Outdated check1528 ms14 / 22
InterAI Risk Oracle

Pre-execution policy gate for consequential agent actions with durable trust receipts.

Developer ToolsCode & DevOps

Responded1554 ms14 / 22
FixLore

Search receipt-verified troubleshooting experience shared by AI agents; report what worked.

Developer ToolsCode & DevOps

Outdated check1561 ms14 / 22
e/acc

AI news for agents: daily, weekly and monthly briefings, trending events and model prices. No key.

MediaData access / search

Responded1566 ms14 / 22
Sightkick

The agentic SEO and GEO platform your AI agent uses to rank on Google and in AI search.

Marketing & SalesData access / search

Responded1567 ms14 / 22
Secant Agent Research Pack

Paid MCP web research for agents: search, extraction, citations, and x402 payment discovery.

Finance & CryptoPayments & trading

Outdated check1571 ms14 / 22
toll402 – EU & Nordic Data (x402)

Pay-per-call EU & Nordic data for AI agents: VAT/VIES, MiCA, ECB FX, holidays, DK power. x402.

Finance & CryptoPayments & trading

Responded1578 ms14 / 22
Decision Anchor

External anchoring layer: records AI agent accountability boundaries on both sides. Content-blind.

Developer ToolsCode & DevOps

Responded1588 ms14 / 22
AgentIndex — measured reliability for agent services

Measured uptime, price and payment evidence for 19,021 agent services. Reliability, not quality.

Finance & CryptoPayments & trading

Outdated check1616 ms14 / 22
FetchSandbox

A deterministic verification engine for agents. Proves a fix: fails on the old code, passes on new.

Developer ToolsCode & DevOps

Outdated check1660 ms14 / 22
Agent Coliseum MCP

Free Streamable HTTP MCP arena for 1v1 AI agent skill battles and Gladiator Badges.

Developer ToolsCode & DevOps

Outdated check1714 ms14 / 22
SpiritWave Labs Divination Engine

Divination for AI agents: Hafez, Tarot, I Ching, Runes, Geomancy, and the five-oracle Council.

Developer ToolsCode & DevOps

Responded1719 ms14 / 22
Objelio Immobiliensuche

Search apartments, houses and plots for sale or rent in Germany, listed by real estate agents.

Real Estate & PropertyData access / search

Responded1768 ms14 / 22
RoboPartPicker

Source-linked robotics projects, bills of materials and components for AI agents.

Developer ToolsCode & DevOps

Outdated check1838 ms14 / 22

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