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

7959 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
INITE Atlas

AI tools catalogue for agents: match a need to tools, compare prices, see price and API changes.

OtherAI / LLM tooling

Requires authNot measured6 / 22Not checked yet
Kin

Connect accounts once. Set what agents may do per account. Enforced when the action runs.

Developer ToolsCode & DevOps

Requires authNot measured6 / 22
KnowDrive

Private, multimodal knowledge store for agents: hybrid search with cited, provenance-backed results.

Developer ToolsData access / search

Requires authNot measured6 / 22Not checked yet
Korely Memory

Memory for AI agents that knows what is still true. Typed bi-temporal facts, EU-hosted.

Developer ToolsKnowledge & memory

Requires authNot measured6 / 22Not checked yet
Liquidity City

Follow Liquidity City and work with your agent through MCP.

Developer ToolsCode & DevOps

Requires authNot measured6 / 22
Maguyva

Code intelligence for coding agents: semantic, AST, graph, and full-text search. 279+ languages.

Developer ToolsData access / search

Requires authNot measured6 / 22Not checked yet
MarketTrace Crypto MCP

Crypto perps for AI agents: funding, OI, liquidations, order book, CVD, volume profile, footprint.

Finance & CryptoPayments & trading

Requires authNot measured6 / 22
MemCell

Shared, persistent memory for AI agents: recall before acting, report outcomes to earn confidence.

Developer ToolsKnowledge & memory

Requires authNot measured6 / 22Not checked yet
Memocore

Cloud memory for AI agents and teams — save, search, recall.

Developer ToolsKnowledge & memory

Requires authNot measured6 / 22
MemoryBrain

Your own memory inside ChatGPT and Claude, with the source of every note.

OtherAI / LLM tooling

Requires authNot measured6 / 22
MentionAgent

Link building outreach from your agent: review drafts, send the batch, answer publisher replies.

Developer ToolsCode & DevOps

Requires authNot measured6 / 22Not checked yet
NeuralVerge

Structured, cited, real-world data from 300+ sources and the open web for your AI agents.

Developer ToolsCode & DevOps

Requires authNot measured6 / 22Not checked yet
Nourva Mind

Your private memory across AI apps: recall your context and continue saved work, only when you ask.

OtherKnowledge & memory

Requires authNot measured6 / 22
Novence

Hosted MCP for creating, checking, deploying, and hosting static sites for AI agents.

Developer ToolsCode & DevOps

Requires authNot measured6 / 22Not checked yet
OceanToken

500+ AI models in one account: find and price models, make images, video, speech and text.

MediaAI / LLM tooling

Requires authNot measured6 / 22
Onepin

AI Voice Production Agent: picks from 30+ TTS models, fixes pronunciation, validates every line.

MediaAI / LLM tooling

Requires authNot measured6 / 22
Ontoloop

Team agent collaboration: shared team facts, human-confirmed writes, tasks and threads over MCP.

Developer ToolsCode & DevOps

Requires authNot measured6 / 22
OpenMayhem

Use OpenMayhem text, embedding and media models with explicit cost controls.

Developer ToolsAI / LLM tooling

Requires authNot measured6 / 22Not checked yet
Overwing

Guardrails for LLM output: pass / fail / review verdicts and one recommended action. Hosted or npm.

Developer ToolsCode & DevOps

Requires authNot measured6 / 22Not checked yet
Pidgeon

Email inbox and verifiable ID for your agent: addresses, threads, sending and replies.

ProductivityCommunication & messaging

Requires authNot measured6 / 22Not checked yet
PlayDrop

Publish, test and share browser games on PlayDrop from your AI agent.

OtherAI / LLM tooling

Requires authNot measured6 / 22
PlugMCP directory

Search MCP servers and agent skills, compare them, and get install configs for your client.

Developer ToolsData access / search

Requires authNot measured6 / 22Not checked yet
Postfleet

Give an AI agent its own email address: send, reply, read, and wait for mail.

ProductivityCommunication & messaging

Requires authNot measured6 / 22Not checked yet
Prompeteer

Contextual prompts and agent skills for 140+ AI platforms.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured6 / 22

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