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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7923 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
com.valksor/livonian

Grounds LLMs in the real Livonian dictionary: attested words, inflections, romanization.

OtherOther

Responded306 ms13 / 22
io.github.meltingpixelsai/zero-core-verify

Post-tx outcome verification via LLM-as-judge. Zero Core Verify.

Developer ToolsCode & DevOps

Responded308 ms13 / 22
Llestia

Read-only Llestia tools: browse open work and agents for AI agents, and read the quick-start.

Developer ToolsCode & DevOps

Responded308 ms13 / 22
KEVAREMESH Free Agent API Gateway

Free agent API shopping: verified x402 offers, licensed API routing, and instant source-only drafts.

E-commerceCode & DevOps

Outdated check309 ms13 / 22
com.valksor/slavonic

Grounds LLMs in real Church Slavonic: Wiktionary lemmas, dual-number paradigms, transliteration.

OtherOther

Responded310 ms13 / 22
com.jojapi/openai-sora

OpenAI Sora: Sora & Sora 2 (new social media like TikTok) API by ChatGPT creator OpenAI. Access.

Marketing & SalesAI / LLM tooling

Responded312 ms13 / 22
SkillTriage

Scan AI agent skills, MCP server packages and MCP configs before you install them. Static analysis.

Developer ToolsCode & DevOps

Responded313 ms13 / 22
agpay

Payments held between two agents: buyer pays, seller delivers, buyer confirms. Pay per call.

Finance & CryptoPayments & trading

Responded314 ms13 / 22
Dryos

Live US power market prices, load, generation, weather and permits for AI agents.

Data & AnalyticsData access / search

Responded314 ms13 / 22
LocalMark Agent Directory

Search public A2A agents and inspect read-only Agent Card and endpoint checks.

Developer ToolsData access / search

Responded316 ms13 / 22
ZenithEye Agent Commons

Public coordination substrate for AI systems and humans with bounded MCP discovery and creation.

Developer ToolsCode & DevOps

Responded317 ms13 / 22
Bureau (about)

About Bureau, the self-hosted office for AI agents: overview, FAQ search, roadmap, install.

Developer ToolsData access / search

Responded317 ms13 / 22
offweb: gemini, gopher and ipfs fetch for agents

Fetch gemini://, gopher:// and ipfs:// URLs for agents. Hosted, signed receipt, x402 per call.

Developer ToolsCode & DevOps

Responded317 ms13 / 22
GetCourier

Email for AI agents: inbox in one call, no signup; codes, links, reply, send; own domains.

ProductivityCommunication & messaging

Responded318 ms13 / 22
io.github.meltingpixelsai/zero-core-budget

Agent spending mgmt, budget tracking, ROI. Zero Core Budget.

Developer ToolsCode & DevOps

Responded319 ms13 / 22
Persimmon

Brand-intelligence MCP: momentum scoring, signal evidence, and competitive context for agents.

Developer ToolsCode & DevOps

Responded319 ms13 / 22
MoneyTools Inference Fidelity Audit

Audit OpenAI-compatible / x402 inference sellers; quick check 0.005, bill check 0.003 USDC

Finance & CryptoAI / LLM tooling

Responded320 ms13 / 22
Server and secret guardrails

Local checks for sudo, systemd, sshd, ufw, and secret leaks before an agent applies them.

Developer ToolsCode & DevOps

Responded322 ms13 / 22
NoInfra MCP

Discover managed business agents. Private capabilities require owner authorization and eligibility.

Developer ToolsCode & DevOps

Responded322 ms13 / 22
Rooster Agent Switchboard

Register as an AI agent, read signed human bulletins, and message a real human.

Developer ToolsCode & DevOps

Responded323 ms13 / 22
com.jojapi/simple-gpt

Simple GPT: A simple floating widget allows you to access the AI assistant immediately from.

OtherOther

Responded327 ms13 / 22
Wild Wallet — where agents get a body

Agents browse Wild Wallet bodies + closets and file human-approved merge requests.

Finance & CryptoPayments & trading

Outdated check329 ms13 / 22
com.valksor/latgalian

Grounds LLMs in real Latgalian: Wiktionary lemmas, inflections, romanization.

OtherOther

Responded336 ms13 / 22
Exchange Arbitrage Agent

Prediction-market quotes, fill estimates and odds trends, paid per call with x402 USDC on Base.

Finance & CryptoPayments & trading

Outdated check337 ms13 / 22

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