MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

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DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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18511 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
Weav Customer Service

Explore Weav customer service pricing, features, comparisons, signup, and demos. No auth required.

Developer ToolsCode & DevOps

Responded214 ms14 / 22
io.github.iamalanlui/apipay

Prepaid balance for AI agents: one key, 4,900+ tools your agent can run today, caps, receipts.

Developer ToolsCode & DevOps

Responded214 ms14 / 22
ErdDocs

ER diagrams from SQL, Prisma or ORM models. One tool, no account, nothing stored.

Developer ToolsDatabase

Responded214 ms14 / 22
Dipper

Web search and page fetch for AI agents. Results come from a shared cache; cached calls cost less.

Developer ToolsData access / search

Responded214 ms14 / 22
Engg.space jobs

Search open engineering jobs at funded startups and AI labs, from company career pages. No key.

Developer ToolsCode & DevOps

Responded216 ms14 / 22
Nasaq UI

Nasaq design system docs for agents: 390 components for React, Vue, Blade and HTML, with Arabic RTL.

Developer ToolsCode & DevOps

Responded216 ms14 / 22
AI Blocks

Search and load free AI skills, workflows, agents and prompts. Read-only, no sign-in.

Developer ToolsAutomation & workflows

Responded216 ms14 / 22
Package Health Check

Check an npm or Python package, or a package.json, for vulnerabilities and upkeep.

Developer ToolsCode & DevOps

Responded218 ms14 / 22
GenPPT

Generate AI slide decks and export native PowerPoint (.pptx) and PDF presentations from chat.

Developer ToolsFile & docs

Responded220 ms14 / 22
com.teclazo/mercadolibre

Mercado Libre keyword & competitor intelligence for AI agents across all 18 ML markets.

Developer ToolsCode & DevOps

Responded220 ms14 / 22
migrationagent.review

Find registered Australian migration agencies by location, read profiles, look up agents by MARN.

Developer ToolsData access / search

Responded220 ms14 / 22
PkgSeek Linux Intelligence

Linux package, file, command, vulnerability, lifecycle, migration, and repository intelligence.

Developer ToolsCode & DevOps

Responded222 ms14 / 22
Acquisition.gov

Acquisition.gov FAR Overhaul model parts, agency deviations, PDFs, and guidance. 5 tools.

Developer ToolsCode & DevOps

Responded223 ms14 / 22
Voxplo

Give AI agents a phone: outbound AI calls that return a summary, transcript, and extracted fields.

Developer ToolsCode & DevOps

Responded223 ms14 / 22
IA-QA — 152 QA & Dev Tools for AI Agents

152 free QA tools for agents: injection scan, evals, RAG, web audits. Smaller packs: /mcp/{pack}.

Developer ToolsCode & DevOps

Responded224 ms14 / 22
Awesome Indie

Search indie product launches, rankings and makers, and submit your own, on Awesome Indie.

Developer ToolsData access / search

Responded225 ms14 / 22
skanfirmy.pl

Verify Polish companies by NIP/KRS/REGON + EU VAT (VIES). 14 MCP tools (9 no-key).

Developer ToolsCode & DevOps

Responded226 ms14 / 22
mcp.tc directory

Search the mcp.tc directory of MCP servers: URLs, install commands, sign-in types, tools, setup.

Developer ToolsData access / search

Responded226 ms14 / 22
RNCP / RS — certifications professionnelles (France compétences)

French RNCP/RS certification registers: search, sheets, blocs, validity, SIRET habilitation.

Developer ToolsCode & DevOps

Responded227 ms14 / 22
DooDates

Create a group date poll in one sentence; participants vote with no account.

Developer ToolsCode & DevOps

Responded227 ms14 / 22
Atlarium Habitat Database MCP

Structured habitat data and advisory tools for aquariums, marine tanks, terrariums and paludariums.

Developer ToolsDatabase

Responded229 ms14 / 22
Wasi MCP by usefulapi

Search properties, clients and tasks; create and update clients and agenda tasks in Wasi.

Developer ToolsData access / search

Responded231 ms14 / 22
SuVerse

Find local US businesses: what they offer, prices from their own sites, and how to order or book.

Developer ToolsCode & DevOps

Responded231 ms14 / 22
CompatAir

Read-only pneumatic compatibility and evidence tools with stable IDs and canonical CompatAir URLs.

Developer ToolsCode & DevOps

Responded232 ms14 / 22

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