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

5366 servers

Ordered by checks passedClear filters
  • Responded13 / 22 checks passed

    Find source-checked US boutiques with plus-size bridal samples physically available to try on.

    OtherOther

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

    Median latency 517 ms · Last checked

  • Outdated check13 / 22 checks passed

    Check whether AI answer engines cite your site, and for which prompts. Uses your own Perplexity key.

    OtherOther

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

    Median latency 517 ms · Last checked

  • Responded13 / 22 checks passed

    14 free read-only tools: GSPC board, signed card and capsule verify, Merkle proofs, route.

    OtherOther

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

    Median latency 518 ms · Last checked

  • Responded13 / 22 checks passed

    Agent-first directory for Indians from India in the USA — restaurants, temples, events & more.

    OtherOther

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

    Median latency 523 ms · Last checked

  • Responded13 / 22 checks passed

    Manage your wardrobe or closet, discover ways to wear your clothes, and get outfit suggestions.

    OtherOther

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

    Median latency 525 ms · Last checked

  • Outdated check13 / 22 checks passed

    Data breaches in Korea, Japan, the US and beyond with sources, open settlements and what to do.

    OtherOther

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

    Median latency 525 ms · Last checked

  • Outdated check13 / 22 checks passed

    Projects the vote share between two people for one local elected seat before anyone declares.

    OtherOther

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

    Median latency 525 ms · Last checked

  • Responded13 / 22 checks passed

    Find U.S. manufacturers by product, plus U.S. tariffs (HTS), export data and party screening.

    OtherOther

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

    Median latency 532 ms · Last checked

  • Responded13 / 22 checks passed

    Advantage-play guides for 360+ casino slot machines: what to look for and when one is worth playing.

    OtherOther

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

    Median latency 533 ms · Last checked

  • Responded13 / 22 checks passed

    Find printable miniature and terrain kits, compare contents and licenses, and get purchase links.

    OtherOther

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

    Median latency 534 ms · Last checked

  • Responded13 / 22 checks passed

    GTM engineering consulting firm for seed to Series C startups. We build and run GTM systems.

    OtherOther

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

    Median latency 536 ms · Last checked

  • Responded13 / 22 checks passed

    Superhot rock geothermal: well registry with failures at temperature, projects, research, RockLab.

    OtherOther

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

    Median latency 541 ms · Last checked

  • Responded13 / 22 checks passed

    Find US senior benefits by ZIP and check eligibility via deterministic rules citing .gov sources.

    OtherOther

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

    Median latency 541 ms · Last checked

  • Responded13 / 22 checks passed

    US credit card data: annual fees, credit card credits, earn rates, offers and cashback portal rates.

    OtherOther

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

    Median latency 543 ms · Last checked

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