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

5233 servers

Ordered by checks passedClear filters
  • Responded16 / 22 checks passed

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

    OtherOther

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

    Median latency 699 ms · Last checked

  • Responded15 / 22 checks passed

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

    OtherOther

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

    Median latency 49 ms · Last checked

  • Responded15 / 22 checks passed

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

    OtherOther

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

    Median latency 57 ms · Last checked

  • Responded15 / 22 checks passed

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

    OtherOther

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

    Median latency 62 ms · Last checked

  • Responded15 / 22 checks passed

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

    OtherOther

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

    Median latency 62 ms · Last checked

  • Responded15 / 22 checks passed

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

    OtherOther

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

    Median latency 64 ms · Last checked

  • Responded15 / 22 checks passed

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

    OtherOther

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

    Median latency 65 ms · Last checked

  • Responded15 / 22 checks passed

    Verification of signed records, plus an EU DPP check.

    OtherOther

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

    Median latency 68 ms · Last checked

  • Responded15 / 22 checks passed

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

    OtherOther

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

    Median latency 77 ms · Last checked

  • Responded15 / 22 checks passed

    Live USPS, UPS, FedEx and DHL rates from the US: domestic, Canada, UK, Germany, Australia. No scale.

    OtherOther

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

    Median latency 80 ms · Last checked

  • Responded15 / 22 checks passed

    Ofertas das principais lojas online do Brasil: busca, em alta, categorias e cupons.

    OtherOther

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

    Median latency 80 ms · Last checked

  • Responded15 / 22 checks passed

    Sourced, dated ERP facts: Odoo 20 changes, support deadlines, prices, e-invoicing status.

    OtherOther

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

    Median latency 81 ms · Last checked

  • Responded15 / 22 checks passed

    Preço do m² por bairro em 6 cidades de Santa Catarina, Brasil. Dados abertos do Minuto Jaraguá.

    OtherOther

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

    Median latency 84 ms · Last checked

  • Responded15 / 22 checks passed

    Free AI calorie & macro tracker: tell your AI what you ate and it logs it to your private food diary

    OtherOther

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

    Median latency 84 ms · Last checked

  • Responded15 / 22 checks passed

    Build a free website draft for a small local business from a description or its old website.

    OtherOther

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

    Median latency 85 ms · Last checked

  • Responded15 / 22 checks passed

    Mobile, home internet and energy prices in 34 countries, read on operators' pages and dated.

    OtherOther

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

    Median latency 86 ms · Last checked

  • Responded15 / 22 checks passed

    Accessibility audit of a web page (WCAG 2.2 AA, RGAA) and European Accessibility Act scope check

    OtherOther

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

    Median latency 90 ms · Last checked

  • Responded15 / 22 checks passed

    Gift recommendations matched to the person, the occasion, and your budget.

    OtherOther

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

    Median latency 91 ms · Last checked

  • Responded15 / 22 checks passed

    Cerca de text complet al pla Catalunya 2022 - RESET: 3 àmbits, 12 objectius, 91 accions. CA/EN/ES.

    OtherOther

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

    Median latency 94 ms · Last checked

  • Responded15 / 22 checks passed

    Open guide to businesses in any country, plus Norwegian public services and parties. Never ranks.

    OtherOther

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

    Median latency 94 ms · Last checked

  • Responded15 / 22 checks passed

    Live Canton Network DEX data: prices, best execution across venues, exit cost, premiums. No key.

    OtherOther

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

    Median latency 105 ms · Last checked

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