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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1407 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
The Cure Protocol

Agent research API for 15 disease areas, plus a T1D cure lab, sourced evidence ledger and models.

Finance & CryptoPayments & trading

Outdated check670 ms13 / 22
SuppCo

Supplement research, product and brand TrustScores, and your SuppCo stack and Buying Club cart.

OtherOther

Outdated check675 ms13 / 22
Unified Chambers Legal

Indian debt recovery law reference: DRT benches, tribunal fees, SARFAESI periods, bare acts.

LegalKnowledge & memory

Outdated check676 ms13 / 22
MethodIQ Tools

Create and revise diagrams, charts, PowerPoint presentations and research workflows.

Developer ToolsFile & docs

Outdated check682 ms13 / 22
WarmInboxes Free MCP

Read-only deliverability + strategy: free cold email checks, list tools, inbox planning, research.

ProductivityCommunication & messaging

Outdated check687 ms13 / 22
Remy Research MCP

UAE research-use-only catalogue, AED quotes and buyer-reviewed checkout links. No order submission.

Finance & CryptoPayments & trading

Outdated check740 ms13 / 22
Radix Wiki

Community-maintained knowledge base for Radix DLT — search, read, and contribute wiki pages.

OtherKnowledge & memory

Outdated check752 ms13 / 22
com.hibot/hibot

HiBot public knowledge: the ANSWER framework for AI visibility, audit plans, case studies, research

OtherOther

Outdated check767 ms13 / 22
FedSalary: official pay data

Official pay statistics for any job and place, offer checks and two-offer comparisons.

Data & AnalyticsData access / search

Outdated check781 ms13 / 22
x402 Tools

Pay-per-call research tools for AI agents, paid via x402 USDC. Remote MCP, one free tool.

Finance & CryptoPayments & trading

Outdated check801 ms13 / 22
Cyber Library

Search and read Cyber Library, a free structured cybersecurity knowledge base. Read-only, no auth.

SecurityKnowledge & memory

Outdated check826 ms13 / 22
GLO Law

Free U.S. legal research: court opinions, statutes, state regulations and corrections policies.

LegalKnowledge & memory

Outdated check833 ms13 / 22
EU Trade Explorer

EU customs-trade & industrial-production statistics (Eurostat Comext/PRODCOM)

Data & AnalyticsData access / search

Outdated check853 ms13 / 22
Grandpa's AI

Search Grandpa's AI research on age reversal, robotics, AI, and space — 5 read-only MCP tools.

Developer ToolsCode & DevOps

Outdated check915 ms13 / 22
VARRD — Statistically Validated Trading Edges + AI Research Engine

Validated trading edges across futures, equities, crypto. Live signals, full audit trail.

Finance & CryptoPayments & trading

Outdated check916 ms13 / 22
Mode VC Chart: AI in the Workplace Statistics: What Workers Gain

Among US employees who use AI, 63% say it makes them faster but only 46% say it raises.

Data & AnalyticsData access / search

Outdated check921 ms13 / 22
Mode VC Chart: AI Productivity Statistics: What AI Users Say They Gain

86% of surveyed Claude users say AI makes them faster and 82% say it widens what they can do..

Data & AnalyticsData access / search

Outdated check939 ms13 / 22
io.github.MCPServings/paper-mcp

Search arXiv/Semantic Scholar/OpenAlex + medical evidence (PubMed/Europe PMC) + LaTeX/PDF tools.

HealthcareCode & DevOps

Responded956 ms13 / 22
Atlasly

UK site research and worldwide CAD/GIS site context (DXF, GeoJSON, SVG) for architects

Data & AnalyticsData access / search

Responded990 ms13 / 22
Bob Research Tools

Paid web research, news, company briefs, fact-checks and US weather data for AI agents

Data & AnalyticsData access / search

Outdated check990 ms13 / 22
A.U.G.U.R Foresight · Web & Research

Read the web (page text, DNS, WHOIS, TLS, uptime) + research (Wikipedia, arXiv, GitHub, packages).

Developer ToolsKnowledge & memory

Outdated check1005 ms13 / 22
DeepChamp for Agents

Free sports slate and matchup research for AI agents over MCP and REST. Research only; 21+.

MediaAI / LLM tooling

Outdated check1040 ms13 / 22
Zernote

User research workspace to transcribe interviews and turn conversations into insights.

OtherAI / LLM tooling

Outdated check1048 ms13 / 22
draconic21 Daily Agent Signal + x402 Data Tools

Daily Agent Signal: x402 research; coverage varies. Free preview, $0.03 USDC on Base. SEC/OFAC.

Finance & CryptoPayments & trading

Outdated check1056 ms13 / 22

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