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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1052 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
io.github.kody-w/rapp-name-finder

Name a business or project; check which domains and GitHub names are free, with prices.

Developer ToolsCode & DevOps

Outdated check736 ms14 / 22
GitHub Platform Changelog — buy per-query in-session (githubchangelog)

GitHub platform changelog feed. $0.01/query. Be born in one call — free testnet funds.

Developer ToolsCode & DevOps

Responded787 ms14 / 22
io.github.kody-w/raptr-names

Name a business or project; check which domains and GitHub names are free, with prices.

Developer ToolsCode & DevOps

Outdated check791 ms14 / 22
MCP Server Discovery — new model-context-protocol repos ($0.01/query)

New MCP servers on GitHub: discovery index. $0.01/query. Be born in one call — free testnet funds.

Developer ToolsCode & DevOps

Responded808 ms14 / 22
io.github.OrderlyNetwork/orderly-mcp

MCP Server for Orderly Network - Documentation and SDK patterns

Developer ToolsFile & docs

Responded853 ms14 / 22
io.github.cyanheads/medical-codes-mcp-server

Offline US medical code lookup and crosswalk — ICD-10-CM/PCS, HCPCS Level II, RxNorm. Keyless.

HealthcareCode & DevOps

Responded871 ms14 / 22
Barcode Generator

Generate barcodes and QR codes in 35 symbologies: QR, Data Matrix, PDF417, EAN-13, Code 128, more.

OtherAI / LLM tooling

Outdated check913 ms14 / 22
Korea Business Verify (KBV)

Korea import requirements by HS code, plus Korean company lookup by name, status and KYB checks.

Developer ToolsCode & DevOps

Responded917 ms14 / 22
Axiom Relay

Free agent-service discovery, OpenAPI document checks, and receipt verification. No API key needed.

Developer ToolsCode & DevOps

Responded929 ms14 / 22
io.github.cyanheads/mitre-cwe-mcp-server

Explore MITRE CWE weaknesses, CAPEC attack patterns, mitigations, code examples, and mappings.

Developer ToolsCode & DevOps

Responded1018 ms14 / 22
Scholar Feed

Rank CS/AI/ML papers by citations, forecast impact, or code adoption; trace 23.2M citation edges.

Developer ToolsCode & DevOps

Outdated check1325 ms14 / 22
FetchSandbox

A deterministic verification engine for agents. Proves a fix: fails on the old code, passes on new.

Developer ToolsCode & DevOps

Responded1660 ms14 / 22
io.github.wygogogo19/robotbase-dev

Agent MCP: 18 tools — GitHub/HF/npm/PyPI/HN trends plus 17 web tools for coding agents.

Developer ToolsCode & DevOps

Outdated check2302 ms14 / 22
Illinois Code

Illinois Compiled Statutes — state statutes by citation, plus topic search.

LegalCode & DevOps

Responded93 ms14 / 22
Idaho Code

Idaho Statutes — state statutes by citation and by topic. Fleet #2747.

LegalCode & DevOps

Responded96 ms14 / 22
Ifsc In

ifsc-in MCP — Indian bank branch IFSC code lookup via Razorpay's open IFSC API…

Developer ToolsCode & DevOps

Responded97 ms14 / 22
Guam Code

Guam Code Annotated (GCA) — section lookup and search. Fleet #2888.

Developer ToolsData access / search

Responded109 ms14 / 22
Hawaii Code

Hawaii Revised Statutes — state statutes by citation, by topic, and (where the Legislature itself…

LegalCode & DevOps

Responded124 ms14 / 22
No Niner Data Tools

No-code web scraping & data-extraction Apify actors: scrape and enrich web data at scale.

Developer ToolsBrowser & web scraping

Responded477 ms14 / 22
KIRUPA Tutorials & Code Library

Search and read hundreds of web development, JavaScript, CSS, canvas, and DSA tutorials from KIRUPA.

Developer ToolsCode & DevOps

Responded1139 ms14 / 22
Alaska Code

Alaska Statutes — statute text by citation and chapter-catchline search. Fleet #2795.

LegalCode & DevOps

Responded6113 ms14 / 22
American Samoa Code

American Samoa Code Annotated (A.S.C.A.) — section lookup by citation and topic/keyword search…

Developer ToolsData access / search

Responded6114 ms14 / 22
Colorado Code

Colorado Revised Statutes — state statutes by citation, topic, and title.

LegalCode & DevOps

Responded6120 ms14 / 22
Github_private

GitHub Private MCP Pack — access private repos, org data via OAuth. Complements the existing…

Developer ToolsCode & DevOps

Responded6126 ms14 / 22

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