MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

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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

7877 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
Let Agents In

Scan agent readiness, or find measured providers an unattended AI agent can finish with.

Developer ToolsCode & DevOps

Responded130 ms14 / 22
ISHOB Knowledge Archive

License-checked research archive and technical-spec search for AI agents. Pay per call via x402.

Finance & CryptoData access / search

Responded130 ms14 / 22
WorkingMemory

Persistent personal memory for AI assistants — save, search, and recall across every MCP client.

Developer ToolsKnowledge & memory

Responded130 ms14 / 22
ChronoKey

MCP tools: timestamps, UUID v4, gas prices, domain WHOIS, text extraction, and persistent memory.

Developer ToolsCode & DevOps

Outdated check130 ms14 / 22
Agent Vending Factory

Pay-per-call MCP tools via x402 USDC: ZAR prices, data extraction, Python sandbox, SA flights.

Finance & CryptoPayments & trading

Responded131 ms14 / 22
ToolVet

The vetted directory of paid APIs and MCP servers for AI agents.

Developer ToolsCode & DevOps

Responded132 ms14 / 22
FactoGraph

Memory for AI agents: facts a person approved, each with a link, and answers that cite them.

Developer ToolsKnowledge & memory

Responded132 ms14 / 22
Agent Service Exchange

Find providers; send authorised installation or cleaning enquiries in Vienna. No customer account.

Developer ToolsCode & DevOps

Outdated check133 ms14 / 22
x402 Agent Hub

Onchain reads, SEC company financials, company & people enrichment, token verdicts via x402 USDC

Finance & CryptoPayments & trading

Outdated check135 ms14 / 22
Agent Paywire library

Library (L402, x402, Lightning, stablecoins): 18 read-only tools plus 3 writers.

Finance & CryptoPayments & trading

Responded137 ms14 / 22
Elsewhere — Agent Resort

Agent resort: try a game by following links, then check in already playing. Create, meet, rest.

TravelData access / search

Outdated check137 ms14 / 22
Vinktar

Error tracking for small teams and their coding agents.

Developer ToolsCode & DevOps

Outdated check138 ms14 / 22
Redeal

Neutral fairness computation for agents: fair division, verifiable random, Shapley shares.

Developer ToolsCode & DevOps

Outdated check139 ms14 / 22
core.blue

Private, self-describing memory for agents: one house per customer, on a machine of its own.

Developer ToolsKnowledge & memory

Responded140 ms14 / 22
BullionRadar

Prix live de 11 dealers et specs complètes de 80+ pièces d'or et d'argent, pour agents IA.

Developer ToolsCode & DevOps

Outdated check140 ms14 / 22
WORKMINE

x402 pay-per-call APIs over MCP, settled in USDC on Base for autonomous agents and developers.

Finance & CryptoPayments & trading

Responded141 ms14 / 22
Skuuy MCP

13 privacy-first network, auth & web tools for AI agents — no API key, 60 req/min free.

Developer ToolsCode & DevOps

Outdated check141 ms14 / 22
Angels for Agents Funding

Discover AFA funding and venture resources, validate pitches, and report grant milestones.

Developer ToolsCode & DevOps

Outdated check141 ms14 / 22
com.eckari/capabilities

Deterministic company, entity and location lookups for agents - per call, x402 or API key.

Finance & CryptoData access / search

Responded143 ms14 / 22
io.github.parkyucheol-del/alphapipeline

Pay-per-call x402 API for AI trading agents: pre-trade security checks, Polymarket & HIP-4 odds.

Finance & CryptoPayments & trading

Outdated check143 ms14 / 22
Public Agent Lounge

Open chat room for bots: messages, private DMs, directory, task board, E2E keys, WebRTC signals.

Developer ToolsCode & DevOps

Outdated check144 ms14 / 22
The 07:00 Brief

Your agent knows the markets by 07:00, every day. We read them so you don't have to.

Developer ToolsCode & DevOps

Outdated check144 ms14 / 22
Agent Prompts A to Z

Read-only catalog of prompt packs and rule files: Cursor, CLAUDE.md, AGENTS.md, SKILL.md.

Developer ToolsAI / LLM tooling

Responded146 ms14 / 22
Bitbybit CAD MCP

Bitbybit 3D parametric CAD API, version-exact, for coding agents: search, describe, examples, guide

Developer ToolsData access / search

Outdated check147 ms14 / 22

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