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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1429 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
LinkGPT

SEO and AI search visibility: Search Console data, keyword research, AI visibility audits and fixes.

Marketing & SalesData access / search

Requires authNot measured4 / 22Not checked yet
Linko

Search, read and save your Linko notes and resources (AI knowledge base) from any AI chat.

ProductivityKnowledge & memory

Requires authOutdated checkNot measured4 / 22
LOPJLB Research

U.S. equity quant research: market regime, signals, scores, screens and CallCards.

OtherOther

Requires authNot measured4 / 22
Loupe: citation checker for US legal filings

Checks every citation in a US legal filing: cases, statutes, quotations and links, before you sign.

LegalKnowledge & memory

Requires authOutdated checkNot measured4 / 22
Lugara

Add trips to a Lugara travel log and read its statistics

Data & AnalyticsData access / search

Requires authOutdated checkNot measured4 / 22
Lyssna

Query and summarize research data across tests and surveys

Developer ToolsCode & DevOps

Requires authNot measured4 / 22
MapsScraper.dev

Research public business listings, reviews and photos into lists with explicit unit budgets.

MediaAI / LLM tooling

Requires authOutdated checkNot measured4 / 22
Margin of Insight — Equity Research

Equity research API for US-listed companies. Free primer, $1 fundamentals, $2 investment memo.

OtherOther

Requires authNot measured4 / 22Not checked yet
MarketNewsAPI

Real-time US stock news, press releases, and legal notices. Pro or trial key required.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
matterfact

Investment research superagent: podcasts, SEC filings, and no-code research pipelines.

MediaAI / LLM tooling

Requires authNot measured4 / 22
Merx — European Business Data

European business data — French company check, EU VAT validation, legal search.

LegalCode & DevOps

Requires authNot measured4 / 22Not checked yet
mFlow

Shared task board and knowledge base for AI coding agents

Developer ToolsKnowledge & memory

Requires authOutdated checkNot measured4 / 22
MiningBridge Intelligence

Critical minerals and rare earths: supply risk, trade flows, counterparties and sourced research.

OtherOther

Requires authOutdated checkNot measured4 / 22
MotoClassic Knowledge

App-approved motorcycle research relay for a local technical library. Free limited pilot.

OtherOther

Requires authNot measured4 / 22
Murmur

Turn a typed idea into a PRD, research, brand kit, tech design, roadmap and a Jira board.

ProductivityFile & docs

Requires authOutdated checkNot measured4 / 22
My-Pepts

Run your My-Pepts research peptide store: products, orders, stock, shipping and settings.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22
Needwing

Grounded web and Agent-network research for any MCP client: answers with cited evidence.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
Ninelayer

Agent-native search engine with live web research optimized for AI agents.

Developer ToolsData access / search

Requires authNot measured4 / 22Not checked yet
Nomior Invest

Primary-source equity research: scores, screens, filings, insider trades and 13F holdings.

OtherOther

Requires authNot measured4 / 22
NotebookLM MCP Server and API by Cotlet

NotebookLM AI research notebook MCP server: list notebooks, create notebook, add source.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured4 / 22
Nowen

Research companies with an AI advisor, run vendor comparisons, and generate ranked business ideas.

OtherAI / LLM tooling

Requires authNot measured4 / 22
NownessAI

The AI research library for coding agents: current papers, models and tools, explained.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22
NuBerea

AI-powered biblical research tools — lexicons, morphology, manuscripts, and more.

OtherOther

Requires authOutdated checkNot measured4 / 22
Old Cars Data

Collector-car auction history, live listings, bid trails, and market statistics for AI agents.

Data & AnalyticsData access / search

Requires authOutdated checkNot measured4 / 22

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