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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18255 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
McpStamp Purchase Requisitions

Purchase requisitions as reusable step lists: dated runs, pass or fail per step, and sign-off.

Developer ToolsCode & DevOps

Responded312 ms15 / 22
McpStamp PDF Tools

Merge, split, extract, rotate, reorder and stamp PDF pages, and pull the text out of a PDF.

Developer ToolsCode & DevOps

Responded314 ms15 / 22
IMBA Agent Docs

Read-only IMBA Agent API docs MCP. No register, deposit, buy, or withdraw.

Developer ToolsCode & DevOps

Outdated check314 ms15 / 22
McpStamp Leave Tracker

Employee leave and PTO: requests, approvals, balances, who is out, and conflict checks.

Developer ToolsCode & DevOps

Responded317 ms15 / 22
dev.cz-agents/isir

Czech insolvency register (ISIR) — active/historical insolvency & bankruptcy by IČO or person.

Developer ToolsCode & DevOps

Responded318 ms15 / 22
Rein Agent Risk Scale

Agent Risk Rating, A–D (NR = not rated): self-declared and unverified; not a credit rating.

Developer ToolsCode & DevOps

Responded318 ms15 / 22
AgentBuffs

Find MCP servers and agent skills for a job, ranked, with install config for your client.

Developer ToolsCode & DevOps

Outdated check319 ms15 / 22
FeedB MCP by usefulapi

Read collected feedback with ratings, categories and sentiment, newest first, in FeedB.

Developer ToolsCode & DevOps

Responded320 ms15 / 22
Index Agentica

Search a curated directory of agent tools, MCP servers, APIs, protocols and skills. No auth.

Developer ToolsData access / search

Outdated check320 ms15 / 22
Spala Public MCP

Discovery, OAuth, project operations, and exact project MCP handoff for Spala backend projects.

Developer ToolsCode & DevOps

Outdated check320 ms15 / 22
Pressa - LaTeX to PDF

Compile LaTeX to PDF without installing TeX Live. No API key needed to start.

Developer ToolsCode & DevOps

Responded324 ms15 / 22
ScrapeOwl MCP by usefulapi

Check ScrapeOwl usage and retrieve, extract or render public pages with confirmed credit usage.

Developer ToolsCode & DevOps

Responded325 ms15 / 22
MCP security checks — WARDEN and HISTOR

Scan MCP tool definitions for poisoning, look up server history, count tool-list tokens. Free.

Developer ToolsData access / search

Outdated check327 ms15 / 22
NAIF Gravity

Free MCP/API diagnostics. Micro Tools V2: free preview, $1 JSON check, $2 API shape, $3 normalize.

Developer ToolsCode & DevOps

Outdated check330 ms15 / 22
Orb Studio news radars

News radars with AI anchors, market and network sensors, a daily violin piece composed from them

Developer ToolsCode & DevOps

Outdated check331 ms15 / 22
Green Gooding

Read-only catalog for Green Gooding — NYC peer-to-peer rental marketplace.

Developer ToolsCode & DevOps

Outdated check332 ms15 / 22
Health Record Rights Index

Health record rights: 198 countries scored 0 to 100 with sources; the 50 states and DC; real cases.

Developer ToolsCode & DevOps

Outdated check332 ms15 / 22
Humanuscrit — HAPP

Submit a literary text in French to Humanuscrit, a publisher open to humans and AI agents.

Developer ToolsCode & DevOps

Outdated check332 ms15 / 22
pdata Prediction Markets

Polymarket, Kalshi + 6 more prediction markets: live odds, volume, movers. Read-only, no auth.

Developer ToolsCode & DevOps

Responded333 ms15 / 22
StatusCast MCP by usefulapi

Read page status, components, uptime, incidents and content templates in StatusCast.

Developer ToolsMonitoring & observability

Responded335 ms15 / 22
Family Office Knowledge Graph

Family Office Knowledge Graph: read-only MCP door over the public record. Agentic KG Holdings.

Developer ToolsCode & DevOps

Responded339 ms15 / 22
AP Score Distributions

Official College Board AP score distributions 2026, 2025, 2024: percentiles, pass rates.

Developer ToolsCode & DevOps

Responded342 ms15 / 22
McpStamp Maintenance Log

Equipment maintenance log: service entries with cost, full history, and what is due or overdue.

Developer ToolsCode & DevOps

Responded345 ms15 / 22
VulKill Security

Autonomous AppSec & DAST scanner across 12 security domains (260+ controls) with 3-Layer Triage.

Developer ToolsCode & DevOps

Outdated check346 ms15 / 22

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