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Atlas entry

mcphost.dev

21 capabilities over MCP. First atlas observation.

Observed · passive: no tools called, no credentials sent · sha256:1dcbb7…9d65

21 capabilities, 18 of them tools. 9 only read. 1 changes records. 8 have no reading.

AI reading, beta. side-effects v1 on claude-haiku-5.5, calibrated on MCP (golden-3). Only readings above a measured precision count. Counts are tools, not calls: no tool was called.

AI readings summary · beta

The service lists 18 tools, and 10 have AI readings.

signup is read as creating records.

9 tools are read as read-only, including host.help.search, host.help.get and host.state.list.

Written by code from the AI readings on this page: it groups them and says nothing they do not.

What an agent can do here

AI readings, beta · Readings on 10 of 18 MCP tools.

  • Moves money

    0

    No tool read this way.

  • Deletes or cancels records

    0

    No tool read this way.

  • Sends messages to people

    0

    No tool read this way.

  • Changes permissions

    0

    No tool read this way.

  • Runs code

    0

    No tool read this way.

  • Should ask a person first

    0

    No tool read this way.

No counted reading 8 tools No reading was counted, so any effect above is possible for them: host.feedback.send, host.quickstart, host.redeem, host.state.set, host.tool_call, host.tool_publish, host.tool_share, host.tool_test.

What changed

First atlas observation. Atlas history

Look first

AI reading, beta: AI adds items here; it never removes one.

No tool is read as one of the six effects. A zero is a count, not a clearance.

Surfaces

5 protocols checked

ARDNot foundNo document retrieved
A2ANot found0 skills
MCPValid2026-07-28 · 18 tools · 0 resources · 3 prompts
OpenAPINot detected0 operations
WebMCPNot detected0 declarative form tools · experimental
Exact states and meaning
  • ARD
    absent

    Exact state: not found · No document retrieved

    The supported discovery location returned no matching document.

    Not found does not prove the service exposes no such interface elsewhere.

    Not observed / not fetched

  • A2A
    absent

    Exact state: not found · 0 skills

    The supported discovery location returned no matching document.

    Not found does not prove the service exposes no such interface elsewhere.

    Not observed / not fetched

  • MCP
    observed

    Exact state: valid · Revision 2026-07-28 · 18 tools · 0 resources · 3 prompts

    A usable protocol document was retrieved and validated.

    Directly observed

  • OpenAPI
    absent

    Exact state: not detected · 0 operations

    No endpoint was established from the evidence and scope that InterfaceDelta inspected.

    Not detected does not prove that no endpoint exists.

    Not observed / not fetched

  • WebMCP
    absent

    Exact state: not detected · 0 declarative form tools · experimental

    No named declarative WebMCP form tools were observed in the origin root HTML.

    Script-registered tools and other pages are not observed, so this does not mean the site has no WebMCP tools.

    Not observed / not fetched