MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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.

Connect your agent

5272 servers

Ordered by checks passedClear filters
  • Outdated check13 / 22 checks passed

    Local businesses, opening hours, events and noticeboards across London boroughs.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 51 ms · Last checked

  • Responded13 / 22 checks passed

    Guitar chords from frets, chord shapes, transposing, capo, scales, song keys and practice plans.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 53 ms · Last checked

  • Outdated check13 / 22 checks passed

    Nutrition for more than 1,100 plant foods from 30 national tables, plus GB/EU & US claim checking

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 53 ms · Last checked

  • Outdated check13 / 22 checks passed

    Wilderness Times packing checklists, 350+ rated tents and gear buying guides. Free, no signup.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 54 ms · Last checked

  • Responded13 / 22 checks passed

    BTC/ETH options research: tested hypotheses, max pain track record, gamma regime, trade journal.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 55 ms · Last checked

  • Outdated check13 / 22 checks passed

    Read Sudhanva Narayana's public profile, production ML case studies, and technical writing.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 55 ms · Last checked

  • Responded13 / 22 checks passed

    Count tokens exactly for any text and see if it fits a 128K, 200K or 1M context window.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 56 ms · Last checked

  • Responded13 / 22 checks passed

    Core Web Vitals (LCP, INP, CLS) per URL from the Chrome UX Report, with daily checks on Pro.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 56 ms · Last checked

  • Outdated check13 / 22 checks passed

    TLS cert verdict (OK/WARN/CRITICAL/UNKNOWN) from the served chain: expiry, revocation, alerts

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 56 ms · Last checked

  • Outdated check13 / 22 checks passed

    Daily protein need by weight and goal, with a sample Indian food plan to hit it.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 57 ms · Last checked

  • Responded13 / 22 checks passed

    Industrial equipment catalog: 15,000+ products, specs, live LTL freight rates, real quote requests.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 59 ms · Last checked

  • Responded13 / 22 checks passed

    Independent NAV and P/NAV for listed mining companies, built from filed technical reports. Free.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 59 ms · Last checked

  • Outdated check13 / 22 checks passed

    UK car reliability from real MOT results: first-time pass rates by make, model and number plate.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 59 ms · Last checked

  • Outdated check13 / 22 checks passed

    BMI check with Indian (Asian) cutoffs and a healthy weight range for any height.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 59 ms · Last checked

  • Outdated check13 / 22 checks passed

    Referendariat und Beihilfe für Lehrkräfte in allen 16 Bundesländern: Fahrplan, Fristen, Pension.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 60 ms · Last checked

  • Responded13 / 22 checks passed

    Startup software vendors ranked by Proven Score, with public deals. Read-only, no sign-in.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 62 ms · Last checked

  • Responded13 / 22 checks passed

    Tide times and heights for about 4,600 US and Canadian stations. Not for navigation.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 62 ms · Last checked

  • Outdated check13 / 22 checks passed

    Real walking minutes to eight daily needs and a 0-100 score for any address.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 62 ms · Last checked

  • Outdated check13 / 22 checks passed

    AI caddie and flag distances for Premium golfers, plus course maps and tee-specific scorecards.

    OtherOther

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Updated recently

    Median latency 64 ms · Last checked

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