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.

Connect your agent

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
SrcLog

Search GitHub repos, find alternatives, browse topics and rank top developers and orgs. No auth.

Developer ToolsCode & DevOps

Responded482 ms15 / 22
Context — ctxt.io

Share text, markdown, code, or HTML as auto-expiring links

Developer ToolsFile & docs

Responded493 ms15 / 22
nittim

Production-safety audits for AI-generated code, with a fix for every finding.

OtherOther

Responded494 ms15 / 22
AI Developer Toolkit documentation

Search and read guides on Claude Code, Codex and Cursor, in English and Polish.

Developer ToolsFile & docs

Responded507 ms15 / 22
Tariff Monitor: US Import Duty & HTS Lookup

US import tariffs: classify to HTS code, stacked rate (MFN+301+232+forced-labor), compare origins.

Developer ToolsCode & DevOps

Responded552 ms15 / 22
Nerf Watch

Daily Nerf Watch scores for Claude and GPT models on one private, code-graded suite. Read-only.

OtherAI / LLM tooling

Responded556 ms15 / 22
ISO 20022 Navigator

Look up ISO 20022 messages, bank transaction codes, legacy MT replacements, schemes and code sets.

Developer ToolsData access / search

Responded573 ms15 / 22
Meilleur Code Parrainage

Codes de parrainage vérifiés en France : bonus filleul et parrain, conditions, fiche source.

OtherOther

Responded573 ms15 / 22
HefestoAI

HefestoAI checks AI-generated code before you ship it.

Developer ToolsCode & DevOps

Responded635 ms15 / 22
UGT: Use the Geek Thing

Get open-source GitHub projects running on your computer, with your AI app

Developer ToolsCode & DevOps

Responded642 ms15 / 22
Moltline Code Review

Risk-scan a diff, flag AI-generated-code tells, find secrets. 5 of 7 tools need no account.

OtherOther

Responded678 ms15 / 22
Rumoro

Track what people say about your product on Reddit, X, Hacker News, GitHub and more

Developer ToolsCode & DevOps

Responded696 ms15 / 22
VibeFix

Free check by an AI agent on your live app. On request: independent code review, fix, live re-check.

Developer ToolsCode & DevOps

Responded700 ms15 / 22
Ankra Docs

Search the Ankra documentation: clusters, stacks, GitOps, CI/CD and the CLI. No account needed.

Developer ToolsCode & DevOps

Responded733 ms15 / 22
GuardLayer

Security checks for Next.js + Supabase apps: code scan, read-only live DB check, fix confirmation.

Developer ToolsDatabase

Responded771 ms15 / 22
Proof of Type Input

Add a text box that proves a human typed it, not AI. Code for any framework; verify proof tokens.

OtherOther

Responded821 ms15 / 22
Skyelight

Give your AI assistant feedback pinned to the exact element, with its code, so it can fix and reply.

Developer ToolsCode & DevOps

Responded905 ms15 / 22
amCharts 5

On-demand access to amCharts 5 docs, code examples, and API reference

Developer ToolsCode & DevOps

Responded981 ms15 / 22
Vocenya Docs

Read-only search over the Vocenya AI receptionist API docs and endpoints, with code samples.

OtherData access / search

Responded998 ms15 / 22
GitDiagram

Architecture diagrams, explanations and Mermaid source for public GitHub repositories.

Developer ToolsCode & DevOps

Responded1089 ms15 / 22
Compiler Explorer

Compile code with thousands of compilers, inspect the assembly, and share godbolt.org links

Developer ToolsCode & DevOps

Responded1113 ms15 / 22
Regulane compliance check

Check code against secure-coding rules mapped to ISO 27001 and the DPDP Act. Free, no account.

Developer ToolsCode & DevOps

Responded1744 ms15 / 22
DeltaSignal ATLAS-7

SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.

Developer ToolsCode & DevOps

Responded6713 ms15 / 22
docks Produktberatung

Maschinendokumentation per QR-Code (EU-MVO 2023/1230): belegte Fakten prüfen, Pilotanfrage stellen.

Developer ToolsCode & DevOps

Responded53 ms14 / 22

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