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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7427 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
Levels.fyi

Salary, level and job data from 1M+ pay reports. Benchmark pay, evaluate offers, search open jobs.

OtherData access / search

Outdated check1251 ms15 / 22
GCC Domestic

Verify 1,600+ GCC domestic-worker agencies (1,300+ gov-verified); search 900+ EN/AR guides.

OtherData access / search

Outdated check1260 ms15 / 22
com.see-geo/seegeo

Audit any website for AI visibility: graded report, findings with fixes, AI crawler access check.

OtherBrowser & web scraping

Responded1271 ms15 / 22
AI 客服国标合规知识库 (GB/T 47746—2026)

中国 AI 客服国标 GB/T 47746—2026 合规知识库:条款级问答 + 全部 61 项达标自查清单(48 应 + 4 宜 + 9 可,含 5 项一票否决),答案标注条款依据。

OtherOther

Outdated check1362 ms15 / 22
CertArc

Free CISM, CISSP, CISA, AAISM and AAIA practice questions, and read-only access to your study.

OtherOther

Outdated check1367 ms15 / 22
Almost Fire

Strength training plans for 26 weeks, plus set, meal and progress logging in Almost Fire.

OtherOther

Outdated check1379 ms15 / 22
io.apis/apis-io

Discover, rate and compare APIs and providers in the APIs.io catalog; manage a listing you own.

OtherOther

Responded1404 ms15 / 22
Batru — Competitive Game Intelligence for AI Agents

Live competitive-game predictions, meta data and decision tools for AI agents.

OtherAI / LLM tooling

Outdated check1518 ms15 / 22
GPU Rental Prices (Tanod)

Compare hourly GPU rental prices on AWS, Azure, Google Cloud and Akash, by chip, memory and region.

OtherKnowledge & memory

Outdated check1536 ms15 / 22
Superintelligence.jobs

AI & frontier-lab job market: search roles, browse labs, track new postings since last check.

OtherData access / search

Responded1637 ms15 / 22
Feeling Search — Art Style Reference & Prompt Encyclopedia

One sentence in, the best-matching visual style out: art reference chart and prompt encyclopedia.

OtherData access / search

Outdated check1652 ms15 / 22
Immersive Commons

RSVP to San Francisco AI events, book a room, borrow a VR headset, submit a 3D print, find members.

OtherOther

Outdated check1670 ms15 / 22
BuyPopArt Pop Art & Street Art Search

Pop art, street art and bold abstract works: search them and price prints and oil paintings.

OtherData access / search

Responded1708 ms15 / 22
SRIFT

Decentralized E2EE P2P file transfer + chat: human to human, human to AI, AI to AI. No accounts.

OtherOther

Outdated check1849 ms15 / 22
org.aioq/aio

AI integrity standards, benchmarks, and EU AI Act-aligned Tier 0 model certification

OtherOther

Responded1855 ms15 / 22
NHL Markets Desk

NHL on Kalshi: tonight's games and goal scorers vs a model, plus Stanley Cup odds vs Polymarket.

OtherOther

Outdated check1881 ms15 / 22
PatchDesign.AI

Design custom embroidered, woven, chenille, printed and PVC patches, price them, and link to order.

OtherOther

Outdated check1881 ms15 / 22
Aviado AI

Cited supplement evidence, biomarker effects, interaction checks and brand quality

OtherOther

Outdated check1891 ms15 / 22
Developer Utilities & Validators (Tanod)

Cloud GPU prices per hour, plus developer helpers: hash, HMAC, JWT, IDs, JSON, cron, time zones.

OtherAutomation & workflows

Outdated check1973 ms15 / 22
NBA Markets Desk

Kalshi NBA props and game lines vs DraftKings, FanDuel and Novig, plus who gains when a star sits.

OtherOther

Outdated check2029 ms15 / 22
Prediction Markets Quant

Independent quant layer: fee-adjusted edge, Kelly, combos, best price: Kalshi, Polymarket US, Novig

OtherOther

Outdated check2047 ms15 / 22
NexaTabs - Tab Manager, Workspaces & Session Saver

Official read-only facts on NexaTabs, the Chrome and Edge tab manager: features, Answers, version.

OtherOther

Outdated check2074 ms15 / 22
WikiOO Art Encyclopedia

Free art encyclopedia: 640,000 artworks, 52,000 artists, 5,400 museums, movements, biographies.

OtherData access / search

Responded2146 ms15 / 22
ai.spelunking/hub

Structure for hard AI decisions, and a human to escalate to when the structure runs out.

OtherOther

Responded2234 ms15 / 22

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