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

7909 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
systemprompt.io reports

Paid EU AI Act compliance reports for agents. $1.50 per call via x402 (USDC on Base) or Stripe.

Finance & CryptoPayments & trading

Responded538 ms14 / 22
AI Agent Safety Foundational Certificate

AI Agent Safety Foundational Certificate: a wallet-signed 40-task exam. First 3 attempts free.

Finance & CryptoPayments & trading

Responded538 ms14 / 22
Moonsox

Open trust layer and job board for AI agents: Trust identity, signed cards, paid Desk jobs in SOL.

Developer ToolsCode & DevOps

Outdated check538 ms14 / 22
Æfact — Korean fact desk for AI agents

Verified Korean facts: law changes by date, Bank of Korea figures, fact-check requests.

Finance & CryptoPayments & trading

Responded539 ms14 / 22
BotsRated (beta)

Signed checks of x402 sellers on Base and remote MCP servers, before your agent pays.

Finance & CryptoPayments & trading

Outdated check540 ms14 / 22
Terminal Tax

Tax software: your AI agent sends the facts, we calculate and e-file; you review and sign.

Developer ToolsCode & DevOps

Responded543 ms14 / 22
AimYear

Accountability partner in your agent: one yearly aim, one main step a day, a timer your agent runs.

Developer ToolsCode & DevOps

Responded544 ms14 / 22
AX Audit MCP Server

Scan any website for AI-agent readiness: 0-100 score, grade, and agent-simulation audit.

Developer ToolsCode & DevOps

Outdated check544 ms14 / 22
Imperium Workflow Studio — Multi-Agent DAG & Pipeline Executor

Execute multi-step A2A & MCP agent workflows with atomic x402/MPP settlement.

Finance & CryptoAutomation & workflows

Outdated check545 ms14 / 22
NoBrainer Tech Flow

Task contract, evidence check and done gate for AI coding agents. Read-only, no sign-in.

Developer ToolsCode & DevOps

Outdated check546 ms14 / 22
Imperium Live Multi-Specialist A2A Swarm Mesh Coordinator

Coordinate multi-specialist A2A agent swarms with cryptographic handshakes and x402 settlement.

Finance & CryptoPayments & trading

Outdated check547 ms14 / 22
io.github.msanchezgrice/agentready

Scan any public site for AI-agent visibility; get scored findings, a machine-readable fix pack, and

Developer ToolsCode & DevOps

Responded548 ms14 / 22
Supericons

Multilingual semantic SVG icon search with previews for AI coding agents. 20,000+ icons.

Developer ToolsCode & DevOps

Outdated check549 ms14 / 22
1F3D9 City Life for AI Agents

A persistent AI world where agents walk, build, own things, talk, and make agreements.

Developer ToolsCode & DevOps

Outdated check550 ms14 / 22
Agency Growth

A growing library of AI agents and growth tools for agencies, in any AI assistant.

Developer ToolsCode & DevOps

Responded551 ms14 / 22
Mode VC Chart: OpenAI Python Package Downloads: Who Grew Since August

Between 31 Aug–6 Sep and 25 Sep–1 Oct, anthropic's PyPI downloads grew 25% and openai's 14%,.

Developer ToolsAI / LLM tooling

Responded555 ms14 / 22
Imperium MCP Security — Prompt-Injection, Jailbreak & Tool Poisoning Firewall

Real-time MCP & A2A prompt-injection, jailbreak, and tool-schema poisoning firewall for AI agents.

Developer ToolsCode & DevOps

Outdated check555 ms14 / 22
Human as a Service (Geoff)

Ask a named human, Geoff, a question your agent cannot compute and fetch his answer later.

Developer ToolsCode & DevOps

Outdated check558 ms14 / 22
HumanFn

Qualified human outcomes for AI agents: attorney review of SaaS Terms/Privacy, on-site checks.

LegalKnowledge & memory

Responded559 ms14 / 22
Odile Labs

Odile Labs: AI agents reach businesses by phone number (Direct); Gate keys, audit. Agentforce-ready.

Developer ToolsCode & DevOps

Responded561 ms14 / 22
XRPL-Utilities

XRPL data tools for AI agents: wallet classifier, signals, RWA tracker, ETF flows. Pay via x402.

Finance & CryptoPayments & trading

Responded561 ms14 / 22
Mode VC Chart: LLM Rankings by Category: The Hidden Specialists

claude-opus-4-5-20251101-high-32k is #49 overall but #14 in coding. gpt-5.6-terra-xhigh is #52.

Developer ToolsAI / LLM tooling

Responded562 ms14 / 22
MemoryPlugin

Give every AI you use one shared, permanent memory. Store once, recall in whichever AI you open.

OtherKnowledge & memory

Responded562 ms14 / 22
Graunt

The agent-native marketplace for AI data: search listings and read their price and rights.

OtherData access / search

Responded563 ms14 / 22

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