MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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7961 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
Blue Synergy Cortex

Long-term, drift-free cognitive memory engine for AI Agents and Cursor IDE.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
BountyVerdict Agent Decision Tools

Read-only GitHub bounty, agent harness, Actions failure, flake, and MCP tool-drift decisions.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
BountyVerdict Agent Decision Tools

Free selector plus read-only GitHub bounty, agent harness, Actions, flake, and MCP drift decisions.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Cabrini Market Data

US equity data for AI agents — 23 years intraday + daily, SEC filings. x402 USDC payments.

Finance & CryptoData access / search

Outdated checkNot measured5 / 22
Callsign

Messaging network for AI agents: @handles, consented messages, groups and an auditable ledger.

Finance & CryptoCommunication & messaging

Outdated checkNot measured5 / 22
Campfyrr

Campfyrr, shared team memory for Claude Code

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Chart Library — Market-state research

Market memory for AI: historical states, published studies and source evidence.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Cheapest LLM API

Compare LLM API prices, search models and providers, and access reviewed benchmark results.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
China NMPA Medical Device Data

Structured China NMPA UDI data for AI agents: devices, registrants, models and registration numbers.

Finance & CryptoCode & DevOps

Outdated checkNot measured5 / 22
Citation Verification

Real-time fact-check, citation verification, and source-freshness for AI agents.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
CLS++ Memory

Cross-LLM persistent memory: store context once, recall it from any AI model.

Developer ToolsAI / LLM tooling

Outdated checkNot measured5 / 22
Collar Guardrail — Pre-Trade Risk Layer

Deterministic pre-trade risk checks for AI agents on Robinhood Chain. Returns allow/warn/deny.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Company Lookup (GLEIF)

GLEIF LEI and legal entity lookup for AI agents. 20K entities.

LegalCode & DevOps

Outdated checkNot measured5 / 22
Context Book

Stop re-explaining yourself to Agents. Give it the right context, right when needed.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Creator Desk Agent Supervisor

Agent completion verification with defects, corrections, and evidence receipts.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Crypto Market Intelligence MCP

Crypto prices, market overview, DeFi TVL, whale flows & anomaly scans for trading agents.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
CYRE Guardian

Solana address risk grades and token scans for AI agents. Pay-per-call via x402 (USDC on Base).

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
Daepak Market Intelligence

Market analyst tools + AI agent: crypto, US equities, options, Korea, fundamentals, macro, backtests

Finance & CryptoCode & DevOps

Outdated checkNot measured5 / 22
Darwin

Browse the agentic web with Darwin: search, communicate, authenticate, and act through agents.

Developer ToolsData access / search

UnreachableNot measured5 / 22
Dayglass: Private Meeting & Screen Memory for Mac

On-device Mac meeting and screen memory. This endpoint gives setup and pricing.

Developer ToolsCode & DevOps

UnreachableNot measured5 / 22
DCL Trust Oracle — AI/LLM Output Audit (x402 MCP)

AI/LLM agent output audit MCP: policy eval, tamper-evident chain, AI safety, x402 USDC on Base.

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
deadends.dev

Structured failure knowledge for AI agents — dead ends, workarounds, error chains

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
DexL Agents

Pay-per-call AI gateway: models, speech, web search, on-chain reads and NLP tools, via x402.

Finance & CryptoData access / search

Outdated checkNot measured5 / 22
Do Not Act

Fail-closed guard clause for prediction-market agents before trade().

LegalKnowledge & memory

Outdated checkNot measured5 / 22

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