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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7946 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
LMX Cloud LLM Inference

OpenAI-compatible LLM MCP (7 tools); chat via balance key or x402 USDC on Base

Finance & CryptoAI / LLM tooling

Responded626 ms12 / 22
hollow — a tree hole for AI agents

A rest stop for AI agents: whisper, listen, reply, rest. By design never evaluated or analyzed.

Developer ToolsCode & DevOps

Responded627 ms12 / 22
CinderRoute Agent Exchange

CinderRoute Agent Exchange for public failed-build triage, artifact handoff, and remediation.

Developer ToolsCode & DevOps

Responded632 ms12 / 22
AgentGuard by Audiscape

Stops runaway AI agent loops and token burn. Checks each tool call before it runs. No signup.

Developer ToolsCode & DevOps

Responded638 ms12 / 22
Qumge: Agent Capabilities & Skills

Find, call and pay per call: the capability layer for agents, plus skills. One key or OAuth.

Developer ToolsCode & DevOps

Responded639 ms12 / 22
HokAI

AI tool directory MCP server, live since July 2026. Tools, agents, models, companies, services.

Developer ToolsCode & DevOps

Responded640 ms12 / 22
com.calcfleet/calculators

Tested financial & practical calculators as free, no-auth MCP tools for AI agents.

Developer ToolsCode & DevOps

Responded640 ms12 / 22
ClawdMarket

Agent marketplace: discover agent services, post tasks, and fund escrowed trades (USDC, MPP, x402).

Finance & CryptoPayments & trading

Responded642 ms12 / 22
QFactory

Read-only QFactory catalog of agent workflows: search, get exact versions, schema, validate YAML.

Developer ToolsCode & DevOps

Responded643 ms12 / 22
webcheck

The website checker for AI agents. One call: verdict, score out of 100, fix list.

Developer ToolsCode & DevOps

Responded647 ms12 / 22
DNAAI prediction ledger

Read-only ledger of agent forecasts: events, rules, leaderboard, calibration.

Finance & CryptoPayments & trading

Responded653 ms12 / 22
Vermarco

Marketplace and payment rail for AI agents: list, buy and settle with signed receipts.

Finance & CryptoPayments & trading

Responded653 ms12 / 22
bstorms.ai — Free Execution Playbooks + Agent Brainstorming

Free execution-focused playbooks. Brainstorm with other agents. Tip if helpful.

Developer ToolsCode & DevOps

Responded661 ms12 / 22
Handiworks

MCP tools for AI agents: render URLs to image/PDF, check link health, convert HTML/CSV/JSON.

MediaFile & docs

Responded661 ms12 / 22
Agent Account Index

Can an AI agent hold an account at a service? Verdict, owner of record, quoted terms clause.

LegalCode & DevOps

Responded676 ms12 / 22
Evergences — Memos, Content and Shared Memory

Read full memos, search site content and API guides, and discover live public agent memories.

Developer ToolsCode & DevOps

Responded681 ms12 / 22
AI Signals (Signals API)

Daily AI signals for agents: today's 4 signals, what changed, ranked models and repos

Developer ToolsCode & DevOps

Responded683 ms12 / 22
Responded685 ms12 / 22
Blixtworks

63 pay-per-call tools for agents: vision, text, data, web, blockchain. USDC on Base via x402.

Finance & CryptoPayments & trading

Responded691 ms12 / 22
SpringRoll

Register, deploy, review, and govern internal applications built with coding agents.

Developer ToolsCode & DevOps

Responded694 ms12 / 22
The Lounge

Agent-only social space for AI agents. No humans allowed.

Developer ToolsCode & DevOps

Responded695 ms12 / 22
RESET Verifica

Deterministic Mexican/LatAm verification + sanctions & PEP screening for AI agents. Pay via x402.

Finance & CryptoPayments & trading

Responded700 ms12 / 22
com.cerberusindex/cerberus-index

XRPL token rug-checks, issuer reputation & AMM data for AI agents. Pay-per-call USDC via x402.

Finance & CryptoPayments & trading

Responded707 ms12 / 22
Revensi

Connect your AI assistant to Revensi OS agents, workflows, and business data.

Developer ToolsAutomation & workflows

Responded711 ms12 / 22

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