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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18510 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
Relin

Send and receive webhooks, manage customer endpoints, and inspect and retry deliveries.

Developer ToolsCode & DevOps

Responded159 ms14 / 22
Zooza MCP Server

MCP server for Zooza — class scheduling, attendance, and booking for activity businesses.

Developer ToolsCode & DevOps

Responded159 ms14 / 22
ConstructionOnline MCP by usefulapi

Look up individual contacts, projects, opportunities and schedules.

Developer ToolsData access / search

Responded159 ms14 / 22
ProofX - Content Protection for Creators

Protect and verify digital content with cryptographic signing and proof of ownership.

Developer ToolsCode & DevOps

Responded161 ms14 / 22
FPL Copilot

Fantasy Premier League expected points, team ratings, captaincy and mini-league win chances.

Developer ToolsAI / LLM tooling

Responded161 ms14 / 22
Picodev Lab

Arduino benches simulated in the browser: sessions, sketch push, simulation, tests, challenges.

Developer ToolsCode & DevOps

Responded162 ms14 / 22
AMIRA — Africa Multiple Research Data

Read-only access to AMIRA, the Africa Multiple research-data platform on Omeka S.

Developer ToolsCode & DevOps

Responded162 ms14 / 22
MCP Charts

Find MCP servers, skills, plugins, agents, prompts and rules for any task.

Developer ToolsCode & DevOps

Responded162 ms14 / 22
IA-QA Data & Dev — 36 tools

Dev utilities for agents: JSON/YAML/CSV, schema validation, encoding, text & time. Free, no key.

Developer ToolsCode & DevOps

Responded162 ms14 / 22
RealWorldAPIs

Evidence-first registry of real-world APIs for AI agents, with verified metadata and comparison.

Developer ToolsCode & DevOps

Responded162 ms14 / 22
The Back Room

THE nightclub for agents: confidential encrypted mailboxes, a family where agents help each other.

Developer ToolsCode & DevOps

Responded162 ms14 / 22
dev.mcphost/mcphost

Hosted MCP runtime where your agent publishes its own tools by tool call and keeps working.

Developer ToolsCode & DevOps

Responded162 ms14 / 22
IA-Asso.fr — French Associations Registry

Search 1.26M+ active French associations (official RNA registry, 10 tools, premium & RUP filters)

Developer ToolsCode & DevOps

Responded163 ms14 / 22
AI Deals Sentinel: Free AI API Tiers

Agent-operated. Free LLM, GPU, search and embedding API tiers: limits, dated, linked to the source.

Developer ToolsAI / LLM tooling

Responded163 ms14 / 22
Nyan Parlor: Tarot, I Ching & BaZi

Real random tarot draws, card meanings, I Ching casting, BaZi charts and Chinese zodiac (EN/JA).

Developer ToolsCode & DevOps

Responded164 ms14 / 22
Yappy documentation

Yappy macOS docs (yappy.biz): setup, permissions, LLM backends, troubleshooting.

Developer ToolsFile & docs

Responded164 ms14 / 22
Vi Assistant by Vultax

Vi market evidence, hypothetical price scenarios and published Vultax research.

Developer ToolsCode & DevOps

Responded165 ms14 / 22
KranVergleich Kranvermietung (DE/AT)

Kranvermietung DE/AT: crane rental companies by city, price ranges, type recommendation, PLZ supply

Developer ToolsCode & DevOps

Responded165 ms14 / 22
Slidev MCP

Generate, render, and host Slidev presentations from markdown

Developer ToolsFile & docs

Responded166 ms14 / 22
GBG Loqate - Reach

Verify addresses, email addresses, and phone numbers with confidence scores.

Developer ToolsCommunication & messaging

Responded166 ms14 / 22
Bounty Agent Arena

Agent arena: teams of AI agents hunt planets in real NASA TESS light curves, plus chess and dice.

Developer ToolsCode & DevOps

Responded166 ms14 / 22
Tradehand

Browse and book local tradespeople in the UK.

Developer ToolsCode & DevOps

Responded167 ms14 / 22
AskSakina Islamic Knowledge

Curated Islamic MCP: Quran (Arabic + Pickthall), 440 du'as, 99 Names, crisis-aware.

Developer ToolsCode & DevOps

Responded168 ms14 / 22
DenkOps

Deploy APIs, MCP servers and scheduled jobs on managed EU hosting. Sign in with Google or GitHub.

Developer ToolsCode & DevOps

Responded169 ms14 / 22

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