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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1063 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
shre.me

Turn long URLs into shre.me/code, and read the clicks: day, country, device, referrer.

OtherOther

Requires authOutdated checkNot measured3 / 22
Sinatra

Hosted coding agent: start, follow up on and stop tasks that can open GitHub pull requests.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
Social Handle Availability Checker

Check brand name availability on Instagram, TikTok, X, YouTube, GitHub and more in one call

MediaCode & DevOps

Requires authNot measured3 / 22Not checked yet
Stack Trace Medic

Coded error stack trace debugger and automated patch generator.

Developer ToolsCode & DevOps

Requires authNot measured3 / 22Not checked yet
StoreRocket Store Locator

Set up your store locator from AI: add stores, get the install code, see what visitors search for.

OtherData access / search

Not measuredNot measured3 / 22Not checked yet
Surface AI

Test and personalize your site's pages from Claude Code or Codex, and check results. Key required.

OtherAI / LLM tooling

Requires authNot measured3 / 22Not checked yet
TranslateSheet

Accurate, brand-controlled translation for text, code, images, and documents with terminology.

MediaFile & docs

Requires authOutdated checkNot measured3 / 22
Trello MCP

Trello in Claude Code in 60 seconds. No API key, no hosting. Hosted, OAuth sign-in, 18 tools.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
UK Data: Code utilities

Deterministic string, list and number routines: palindromes, sorting, searching, validation, merging

OtherOther

Requires authNot measured3 / 22Not checked yet
UK Data: Compliance and finance checks

LEI lookups with parent companies (GLEIF), IBAN validation and UK sort code checks

OtherData access / search

Requires authNot measured3 / 22Not checked yet
Unlayer: Email, Page & Document Templates for Developers

Generate email, page & PDF document templates as React code (Unlayer Elements) or AI; edit visually.

ProductivityFile & docs

Requires authNot measured3 / 22Not checked yet
Utplava

Put AI-built apps online from GitHub: deploy, check status, read logs and set env vars.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
Vulnerability Intel MCP

Defensive vulnerability intelligence search across public CVE/NVD and GitHub advisory APIs with CVSS

SecurityCode & DevOps

Requires authOutdated checkNot measured3 / 22
WBX Sandbox

Firecracker microVM sandboxes for AI agents: run code, jobs and batches with per-job cost caps.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
Whisperr

Install the Whisperr retention SDK, verify received events, and read churn and retention data.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
Willform Agent

Deploy containers on Kubernetes with x402 billing. 9 workload types and source builds.

Finance & CryptoCode & DevOps

Requires authNot measured3 / 22Not checked yet
Writingmate MCP

Use AI models for chat, image, and video generation from Claude Code and other MCP hosts.

MediaAI / LLM tooling

Requires authOutdated checkNot measured3 / 22
Yul-GasMaster

EVM gas optimizer refactoring Solidity code into efficient Yul assembler.

Developer ToolsCode & DevOps

Requires authNot measured3 / 22Not checked yet
Zillow ZIP Code Search

Zillow homes for sale, for rent or recently sold by US ZIP code: price, Zestimate, beds, baths.

Real Estate & PropertyCode & DevOps

Requires authOutdated checkNot measured3 / 22
com.couillardelectricllc.voice/vera

Licensed master electrician in SE Wisconsin — estimates, scheduling, and code lookups via AI.

OtherData access / search

Outdated checkNot measured2 / 22
com.exoquery/mcp-server

Kotlin compile-time SQL library. Docs, code validation, and SQLite execution tools.

Developer ToolsDatabase

Outdated checkNot measured2 / 22
io.github.therealMrFunGuy/changelog-hq

Auto-generate changelogs from GitHub PRs with AI-powered categorization and rewriting.

Developer ToolsCode & DevOps

Outdated checkNot measured2 / 22
AiPayGent — Claude AI Tools

Claude-powered AI tools: research, write, code, analyze, translate, debate, pitch, score, and more.

Developer ToolsCode & DevOps

Outdated checkNot measured2 / 22
ai.smithery/STUzhy-py_execute_mcp

Run Python code in a secure sandbox without local setup. Declare inline dependencies and execute s…

Developer ToolsCode & DevOps

Requires authNot measured2 / 22Not checked yet

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