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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1421 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
Ansvar: EU Compliance & Legal Intelligence

Cited EU & global law, regulations & security frameworks via Ansvar Gateway. OAuth, free + paid.

LegalKnowledge & memory

Requires authOutdated checkNot measured5 / 22
AppClimb

App Store keyword research: Apple popularity, difficulty with evidence, verdicts and app rankings.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
AppRankHero

App Store and Google Play keyword ranks, keyword research and competitors for your apps.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
Arc Research

Commodities research MCP: knowledge graph, COT, NG storage/weather, quotes, and stories.

Data & AnalyticsData access / search

Requires authNot measured5 / 22Not checked yet
ASO Atlas

ASO for App Store and Google Play: keyword research, rank tracking, in-app feedback and analytics.

Data & AnalyticsData access / search

Requires authOutdated checkNot measured5 / 22
aVenture

Research private companies, founders, investors, funding rounds, and news with aVenture

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Bee: Quantum Intelligence

Bee governed intelligence for chat, code, research, documents, and memory.

Developer ToolsFile & docs

Requires authNot measured5 / 22Not checked yet
BetterUmami

Read-only website analytics, traffic statistics, and realtime insights from BetterUmami.

Data & AnalyticsCode & DevOps

Requires authOutdated checkNot measured5 / 22
bisibility

Track keyword rankings, research SEO opportunities, and manage bisibility projects with AI agents.

Marketing & SalesData access / search

Requires authOutdated checkNot measured5 / 22
Blawgy

Research keywords, plan, write, update and publish SEO blog posts on your site from any agent.

Marketing & SalesData access / search

Requires authNot measured5 / 22Not checked yet
BlogFactory

Agent control plane for multi-site content ops: research, drafts, review, CMS draft delivery.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
BPJ Startup Research

BPJ startup cases, launch signals and validation plans. Free preview; member tools use scoped keys.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
BRONTIR Research

Web research across search, Reddit, YouTube, reviews and ad libraries, with line-numbered citations

MediaKnowledge & memory

Requires authNot measured5 / 22
BuildBetter

Research customer feedback, calls, support, surveys and product usage with source citations.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured5 / 22
BuiltWith

Official BuiltWith tools for website technologies, company research, relationships, and trends.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
CalmSEO

SEO MCP server for keyword research, SERP analysis, audits, and Search Console workflows.

Marketing & SalesAutomation & workflows

Requires authOutdated checkNot measured5 / 22
Citation check

Check whether a page URL supports a claim.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Clarifo

Source-cited financial research on US and Nordic company filings.

OtherOther

Requires authOutdated checkNot measured5 / 22
Clonvo

Web search, scraping, crawling, research, a browser agent, and company and people data.

Developer ToolsData access / search

Requires authOutdated checkNot measured5 / 22
Cofounder

Company context and tools for research, CRM, email, social publishing, and roadmaps.

Developer ToolsCommunication & messaging

Requires authOutdated checkNot measured5 / 22
Company Research

Company enrichment by domain, tech stack, screenshots, WHOIS, SEO audit and PageSpeed.

Developer ToolsCode & DevOps

Requires authNot measured5 / 22Not checked yet
Congressio

Manage an academic conference: papers, peer review, decisions and attendees.

OtherOther

Requires authNot measured5 / 22
Conqueror

Turns SEO insight into page changes: keyword research, SERP and rank data, rewrites you approve.

Marketing & SalesBrowser & web scraping

Requires authOutdated checkNot measured5 / 22
CrystalRAM Open Commons

Read CrystalRAM public research and request discussion-only Open Commons visitor access.

Developer ToolsCode & DevOps

Not measuredNot measured5 / 22

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