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

18500 servers

Ordered by checks passedClear filters
  • Responded15 / 22 checks passed

    Carbon MCP — UK Carbon Intensity API (free, no auth)

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 117 ms · Last checked

  • Responded15 / 22 checks passed

    Bank of Japan (BOJ) / Japan monetary MCP. Keyless.

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 117 ms · Last checked

  • Responded15 / 22 checks passed

    Datafiniti MCP — wraps the Datafiniti Data API (datafiniti.co)

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 118 ms · Last checked

  • Responded15 / 22 checks passed

    CIA World Factbook MCP — country profiles from The World Factbook.

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 118 ms · Last checked

  • Responded15 / 22 checks passed

    CareerOneStop MCP — wraps the CareerOneStop Web API (U.S. Dept. of Labor) (api.careeronestop.org).…

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 118 ms · Last checked

  • Responded15 / 22 checks passed

    DataNewOrleans MCP — New Orleans open data (data.nola.gov, Socrata SODA API).

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 120 ms · Last checked

  • Responded15 / 22 checks passed

    DataLA MCP — Los Angeles open data (data.lacity.org, Socrata SODA API).

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 121 ms · Last checked

  • Responded15 / 22 checks passed

    National Bank of Romania (Banca Naţională a României, BNR) FX reference rates MCP. Keyless.

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 121 ms · Last checked

  • Responded15 / 22 checks passed

    China SAFE (State Administration of Foreign Exchange) — 国家外汇管理局

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 124 ms · Last checked

  • Responded15 / 22 checks passed

    DataCincinnati MCP — Cincinnati open data (data.cincinnati-oh.gov, Socrata SODA API).

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 125 ms · Last checked

  • Responded15 / 22 checks passed

    Bonhams MCP — realized auction prices from Bonhams.com.

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 126 ms · Last checked

  • Responded15 / 22 checks passed

    DataEdmonton MCP — Edmonton open data (data.edmonton.ca, Socrata SODA API).

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 127 ms · Last checked

  • Responded15 / 22 checks passed

    ClearlyDefined — the licence, copyright attribution and provenance actually found inside an…

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 130 ms · Last checked

  • Responded15 / 22 checks passed

    Bank Negara Malaysia (BNM) Open API MCP. Keyless.

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 130 ms · Last checked

  • Responded15 / 22 checks passed

    Czech business register (ARES) — look up any Czech company or sole trader by IČO or by name, and…

    Developer ToolsData access / search

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 131 ms · Last checked

  • Responded15 / 22 checks passed

    CMF Chile MCP -- Comision para el Mercado Financiero (Chile's financial regulator).

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 132 ms · Last checked

  • Responded15 / 22 checks passed

    FINRA BrokerCheck MCP — individual broker / adviser and firm disciplinary lookup

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 140 ms · Last checked

  • Responded15 / 22 checks passed

    511 SF Bay Transit MCP — live departures, vehicle positions and service alerts for every transit…

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 140 ms · Last checked

  • Responded15 / 22 checks passed

    DART — Korea's Data Analysis, Retrieval and Transfer System. The Korean equivalent of SEC EDGAR.…

    Developer ToolsCode & DevOps

    • Passed: Handshake
    • Passed: Tools listed
    • Passed: Latency

    Median latency 144 ms · Last checked

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