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

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Industry. No industry keyword matched. Ordered by checks passed.

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
Excession Labs: site search and security test requests

Search excessionlabs.ai, the site of Excession Labs, a security lab, and request a security test.

OtherData access / search

Responded71 ms16 / 22
agent-bev

The world's largest agentic B2B hub for beer, wine and spirits. Powered by CUVEE. Trade only.

OtherAI / LLM tooling

Responded75 ms16 / 22
A2UI Atomic Catalog docs

Search the A2UI Atomic Catalog's own docs: auth, versioning, pricing, API surface.

OtherData access / search

Responded225 ms16 / 22
COTAL actions (cotal.ai)

cotal.ai actions: product overview, site search, build log, feedback, Cloud waitlist, updates, calls

OtherData access / search

Responded430 ms16 / 22
Catalyst evidence graph

Findings on what compounds and supplements do in the body, with evidence strength, quote and paper.

OtherOther

Responded699 ms16 / 22
Cerebrium Docs

Search the Cerebrium docs: deployment, cerebrium.toml, hardware, endpoints. Also sends feedback.

OtherData access / search

Responded776 ms16 / 22
wcway

Find the nearest public toilet worldwide. Read-only tools, no account, no API key.

OtherOther

Responded49 ms15 / 22
Chinaready China Market-Entry Search

Read-only search over chinaready.co — China market entry for Western software teams.

OtherData access / search

Responded51 ms15 / 22
NEXO CAUSAL: perícia e ciência forense

Perícia e ciência forense pelo mundo, em português: busca, artigos completos e glossário técnico.

OtherOther

Responded56 ms15 / 22
Pick My Costume

Recommends Halloween costumes you can actually build, with step-by-step DIY build guides.

OtherOther

Responded57 ms15 / 22
CitedBy

Check a page, AI-crawler access, llms.txt and backlinks of a site. Free, read-only.

OtherBrowser & web scraping

Responded60 ms15 / 22
Routine Run: write a routine

Write a step-by-step routine and get a link that opens it in Routine Run on iPhone. No sign-in.

OtherOther

Responded62 ms15 / 22
Pick My Secret Santa

Runs a Secret Santa name draw in chat and gives each person a private reveal link.

OtherOther

Responded62 ms15 / 22
Fill My Bracket

March Madness bracket help: picks, matchup analysis, and upset guidance for your pool.

OtherOther

Responded62 ms15 / 22
Will It Stick

Tests whether your message will stick: grades readability and memorability before you send.

OtherCommunication & messaging

Responded62 ms15 / 22
Keep One Resolution

Helps you pick one New Year's resolution you will actually keep, matched to your life now.

OtherOther

Responded64 ms15 / 22
ThawDay

Turkey thaw, roast, and food-safety timelines calculated for your bird's weight and dates.

OtherOther

Responded65 ms15 / 22
Faxwell

Fax any US or Canada number, as low as 6¢ a page. No subscription, no account needed first.

OtherPayments & trading

Responded67 ms15 / 22
AuthiChain

Verification of signed records, plus an EU DPP check.

OtherOther

Responded68 ms15 / 22
OTInstaller Registry

Read-only search of the OTInstaller registry of OSINT tools and guides, with consent classes.

OtherData access / search

Responded69 ms15 / 22
BackPow PoW Oracle

Proof of Work oracle: solo mining odds, cost of production, hashrate, mining hardware

OtherOther

Responded72 ms15 / 22
Boxerbook

World professional boxing: schedule, results, boxer cards, rankings, forecasts. Free, no key.

OtherOther

Responded77 ms15 / 22
b/cited

AEO tools: scan any URL for AI-citation readiness, read the public leaderboard and citation panel.

OtherKnowledge & memory

Responded77 ms15 / 22
QQQ AI Visibility Checker

Free AI visibility check: can AI crawlers read a site, and do ChatGPT, Gemini, Perplexity cite it?

OtherAI / LLM tooling

Responded78 ms15 / 22