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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1420 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
Keyword Research API

SEO keyword research with Google Suggest, intent scoring, long-tail discovery. x402.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Outdated checkNot measured5 / 22
Metis RWA Research

Research tokenized real-world assets on Solana: issuer controls, supply, liquidity, premiums

Finance & CryptoPayments & trading

Outdated checkNot measured5 / 22
Onchain Alpha Lab

Paid MCP tools for onchain alpha research, X content analysis, and KOL distillation.

Finance & CryptoPayments & trading

UnreachableNot measured5 / 22
Ons Uk

UK Office for National Statistics dataset catalogue + Beta JSON API

Data & AnalyticsCode & DevOps

Outdated checkNot measured5 / 22
Quotes

Quotes MCP — citation-grade quote API for public-domain authors.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Rba

RBA MCP — Reserve Bank of Australia statistics (free, no auth).

Data & AnalyticsCode & DevOps

Outdated checkNot measured5 / 22
Outdated checkNot measured5 / 22
Research Report API

Multi-source research report generator with web fetching. x402 micropayment.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
SecurePutCalls

Wheel strategy research: put/call candidates, symbol risk, position analysis and rolls. Read-only.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
Studio Signal

AI-powered media & entertainment intelligence — research, briefs, and market data.

Finance & CryptoData access / search

UnreachableNot measured5 / 22
Thoth

Read-only MCP over an agentic SLR workspace with per-claim citation verification

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
UNITEMFG U.S. Manufacturer Directory

Search verified U.S. manufacturers with provenance, freshness, and live directory statistics.

Data & AnalyticsData access / search

Outdated checkNot measured5 / 22
USPTO Patents

US patent search, assignee portfolios, and citation graph via PatentsView.

LegalCode & DevOps

Outdated checkNot measured5 / 22
Wikipedia Recent Changes

Live Wikipedia edit feed, page summaries, trending pages, and Wikidata search.

Developer ToolsCode & DevOps

Outdated checkNot measured5 / 22
ai.avasis/quant-research

Crypto backtest statistics: the server owns the trial count, so it cannot be understated.

Data & AnalyticsData access / search

Requires authNot measured5 / 22Not checked yet
ai.openhelm/deep-research

Autonomous buy-side research: diligence, earnings, SEC filings, comp sets. Source-cited real data.

OtherOther

Requires authOutdated checkNot measured5 / 22
ai.openhelm/email-outreach

Goal-directed email outreach: research, draft, send, triage replies. Real data, never fabricated.

ProductivityCommunication & messaging

Requires authOutdated checkNot measured5 / 22
ai.openhelm/seo-growth

Autonomous SEO + GEO growth: keyword research, audits, content, AI answer-engine visibility.

Marketing & SalesData access / search

Requires authOutdated checkNot measured5 / 22
ai.ragjur/mcp

Brazilian legal search and jurimetria: 115M+ court decisions from 90+ courts across 14 MCP tools.

LegalData access / search

Requires authNot measured5 / 22Not checked yet
co.policyforge/mcp

Generate, audit, and maintain legal policies that match what your code actually does.

LegalKnowledge & memory

Requires authNot measured5 / 22
com.acquislaw/acquis

Verified EU law: verbatim, signed provisions with EUR-Lex links. Read-only, not legal advice.

LegalKnowledge & memory

Requires authNot measured5 / 22
com.flownato/flownato-mcp

Mobile UI/UX design research: real app screens, user flows and UI patterns with cited evidence.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22
com.taxlocus/taxlocus

US sales tax for AI agents: rates, economic nexus, taxability, filing. Citation-backed.

Finance & CryptoKnowledge & memory

Requires authNot measured5 / 22

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