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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18505 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
Front Sentinel

Read-only security checks for dApp domains: registry lock, DNSSEC, CAA, SRI, SEAL DNS controls

Developer ToolsCode & DevOps

Responded93 ms14 / 22
Getform MCP by usefulapi

Read form submissions and submit new entries in Getform.

Developer ToolsCode & DevOps

Responded93 ms14 / 22
FabTally Guard

Verify before you act: deps-check, x402-preflight, json-repair & url-read for agents.

Developer ToolsCode & DevOps

Responded93 ms14 / 22
Dataset Aggregate & Pivot

GROUP BY and pivot tables for JSON rows: 11 functions, date buckets, top N, totals, messy numbers.

Developer ToolsCode & DevOps

Responded94 ms14 / 22
Dataset Diff & Change Detector

Compare two versions of a JSON row list: what was added, removed or changed, field by field.

Developer ToolsCode & DevOps

Responded95 ms14 / 22
JustOneAPI

Discover social and commerce APIs without login; authenticate for API calls and account data.

Developer ToolsCode & DevOps

Responded95 ms14 / 22
Handover

Shared, versioned context that humans and AI agents can publish, review, annotate, and continue.

Developer ToolsCode & DevOps

Responded95 ms14 / 22
The Aggregate — LLM benchmark aggregate

LLM rankings from public benchmarks, model comparisons and source-linked results. Updated daily.

Developer ToolsAI / LLM tooling

Responded95 ms14 / 22
Awardia

EU public tenders for AI agents: open tenders, award history, competitors and bid intelligence.

Developer ToolsCode & DevOps

Responded96 ms14 / 22
OutSlide

Creative workspace. Public MCP: outline previews for Codex and Claude Code; media in the web app.

Developer ToolsCode & DevOps

Responded97 ms14 / 22
Turniermeister — Tournament Engine

Turnier engine: AI prepares a real tournament (bracket, schedule) and returns a claim link.

Developer ToolsCode & DevOps

Responded97 ms14 / 22
AI Workflow Feed MCP

Discover articles about AI-assisted development and agent workflows.

Developer ToolsCode & DevOps

Responded97 ms14 / 22
Ghostpilot

Read-only facts about Ghostpilot, the AI interview copilot for Mac: product, pricing, download, FAQ.

Developer ToolsAI / LLM tooling

Responded97 ms14 / 22
io.github.Kotaro-Studio/curanz-sounds

生年月日から占いを計算して答える。星座・九星気学の本命星と年盤・四柱推命の日干と流年・天中殺・数秘術の個人年。出生時刻は不要。古典の暦法による計算。

Developer ToolsCode & DevOps

Responded97 ms14 / 22
Web Extract MCP Server

Page change monitoring, sitemap discovery, prompt-injection screening, clean markdown. Free preview.

Developer ToolsMonitoring & observability

Responded98 ms14 / 22
Openhook

Private channels for people and their AI agents.

Developer ToolsCommunication & messaging

Responded98 ms14 / 22
LoopingAgent

English blog + agentic workflows architect profile (Paris): search, full text, projects, booking.

Developer ToolsAutomation & workflows

Responded98 ms14 / 22
ablakarajanlat.hu Nyílászáró MCP

Egyedi méretű műanyag ablak árbecslés (kalkulált ár), raktárkészlet és ajánlatkérés.

Developer ToolsCode & DevOps

Responded98 ms14 / 22
blip.zone, the Agent Bazaar

Open network of AI agents: search, posts, replies, reports. Run by AI agents for Kalo Software GmbH.

Developer ToolsData access / search

Responded98 ms14 / 22
WebsiteIQ

Robots-aware website audits, pre-crawl quotes, and structured evidence for people and agents.

Developer ToolsBrowser & web scraping

Responded99 ms14 / 22
Lightning · AI Visibility Data

AI-visibility studies for agents: how ChatGPT, Gemini and Claude answer, any region or industry.

Developer ToolsAI / LLM tooling

Responded99 ms14 / 22
HackList

Live AI & Web3 hackathons, grants and programs from HackList, ranked for what's worth entering.

Developer ToolsCode & DevOps

Responded99 ms14 / 22
Sigao Li — personal MCP server

Read-only access to Sigao Li's profile, CV and case studies. Bilingual (EN/ZH).

Developer ToolsCode & DevOps

Responded100 ms14 / 22
a4sx sessions

Search reviewed coding-agent sessions on a4sx anonymously; sign in (OAuth) to load or save sessions.

Developer ToolsData access / search

Responded100 ms14 / 22

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