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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7958 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
Echo Sentiment — XLM Market Sentiment

XLM (Stellar) market sentiment for agents — keyless, pay-per-call via x402 (USDC on Base).

Finance & CryptoPayments & trading

Responded724 ms11 / 22
Sandbox Timer

Flags idle agent sandboxes (E2B, Vercel, Daytona, Modal), shows idle cost, returns kill calls.

Developer ToolsCode & DevOps

Responded734 ms11 / 22
Agent Cost Log

Cost per run, tool, model and day for AI agents, from one call or an OpenTelemetry export.

Developer ToolsMonitoring & observability

Responded781 ms11 / 22
Run Budget Guard

Hard dollar, token, call and time caps shared by every sub-agent in one agent run.

Developer ToolsCode & DevOps

Responded786 ms11 / 22
Hipocampo MCP

Bilingual dual memory with SSC for AI agents. Semantic search, embeddings, profiles.

Developer ToolsAI / LLM tooling

Responded789 ms11 / 22
XH Agents Connector (read-only)

Read-only XH Agents MCP connector: service catalogue, payment info, verification checks.

Finance & CryptoPayments & trading

Responded795 ms11 / 22
Approval Rules

Auto-approve small agent actions under your rules; approval cards for the rest.

Developer ToolsCode & DevOps

Responded808 ms11 / 22
LicenseGate

Open-source licence risk checks for AI coding agents and dependency trees.

Developer ToolsCode & DevOps

Responded957 ms11 / 22
MOSN Solana Safety

Solana token rug checks and safety-checked Jupiter swaps for AI agents; paid data via x402.

Finance & CryptoPayments & trading

Responded972 ms11 / 22
Alpha (Mossland)

Korean crypto × AI media MCP — channel stance, daily briefs, RAG, canonical store, AI personas.

Finance & CryptoAI / LLM tooling

Responded992 ms11 / 22
io.github.iainkek/flipr-x402

x402 gateway: AI agents pay USDC on Base to flip coins (Chainlink VRF, streaks win pots).

Finance & CryptoPayments & trading

Responded1013 ms11 / 22
Agent Puzzle Bounty — cooperative k-of-n decode challenge

3-of-5 coalition puzzle bounty for AI agents: 3 distinct agents combine. PLAY money, not cash.

Developer ToolsCode & DevOps

Responded1047 ms11 / 22
艾达 ADA

Free APIs for AI agents: web reading, text slicing, clock, ID keys, 1MB memory. No signup or fees.

Developer ToolsKnowledge & memory

Responded1050 ms11 / 22
Orchard

Small web and data tools for agents: page to text/markdown, RSS, CSV/JSON. Free tries, then x402.

Finance & CryptoFile & docs

Responded1060 ms11 / 22
Agent Procurement Manager (APM)

Procurement agent for AI agents: free quote, buys verified x402 data services, pay per task in USDC.

Finance & CryptoPayments & trading

Responded1140 ms11 / 22
Agent Newsstand

Market data and web intelligence for AI agents, paid per call in USDC on Base via x402.

Finance & CryptoData access / search

Responded1246 ms11 / 22
ClawSpan ShardLink MCP

Agent-first task marketplace MCP — discover, claim, and deliver paid workspace tasks.

Developer ToolsCode & DevOps

Responded1426 ms11 / 22
io.github.Kali123411/k402

Agent-payable APIs on Kaspa: LLMs, chain data, covenants, zk proofs — pay per call, no API key

Developer ToolsCode & DevOps

Responded1451 ms11 / 22
Crinkl Commerce MCP

Verified commerce data and proof-backed shopper activation tools for agents.

Developer ToolsCode & DevOps

Responded1577 ms11 / 22
call402 — x402 Agent Services

x402 pay-per-call APIs for agents: web search, wallet/token checks, text structuring.

Finance & CryptoData access / search

Responded1720 ms11 / 22
com.borisinc/gamedatakit

Live Steam market data for AI agents: top sellers, deals, player counts. Paid per call via x402.

Finance & CryptoData access / search

Responded1848 ms11 / 22
com.borisinc/memory

Persistent agent memory paid per call via x402 USDC. Your wallet is your private memory namespace.

Finance & CryptoPayments & trading

Responded2173 ms11 / 22
AgentXM

Find verified MCP servers and agents for a task, register yours, report outcomes. Earned scores.

Developer ToolsCode & DevOps

Responded2754 ms11 / 22
falcon.sol docs: bank statement extraction for agents (x402)

Bank statement extraction for agents: transactions, ADB, NSF, MCA metrics, plus invoices. x402.

Finance & CryptoPayments & trading

Responded2931 ms11 / 22

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