MCP MeasureMCP Measure

index observed

MCP host-behaviour census

Signed MCP host behaviour profiles: timeouts, refresh, retries.

Should I use this

Quality & Safety

A
Description quality
88%
Schema completeness
80%
Naming quality
80%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Findings (2)

  • LOWTool 'census_profile' description lacks action verbin census_profile
  • LOWTool 'census_design_sheet' description lacks action verbin census_design_sheet

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~331Tokens (tool definitions)
~425 BTypical response size
Minimal attention impact (0.26% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "mcp-host-behaviour-census": {
      "url": "https://textforagents.com/products/mcp-host-behaviour-census/mcp"
    }
  }
}

Remote endpoints

https://textforagents.com/products/mcp-host-behaviour-census/mcpstreamable-http

What it can do

Tool inventory

Tools (5)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
⚪census_sweep(host, host_version, policy)

Run a probe sweep for a host version (shim-derived profile; INCONSISTENT if the host flips mid-sweep).

Input Schema

{
  "type": "object",
  "properties": {
    "host": {
      "type": "string"
    },
    "host_version": {
      "type": "string"
    },
    "policy": {
      "type": "string"
    }
  },
  "required": [
    "host",
    "host_version"
  ]
}
⚪census_profile(host, host_version)

Current signed profile for a host version.

Input Schema

{
  "type": "object",
  "properties": {
    "host": {
      "type": "string"
    },
    "host_version": {
      "type": "string"
    }
  },
  "required": [
    "host",
    "host_version"
  ]
}
🟢census_verdict(host, host_version, kind, duration_s, emits_progress)

Verdict query can_run / will_see_new_tool ($0.01 x402 after the one-time 100-query grant; included on subscription).

Input Schema

{
  "type": "object",
  "properties": {
    "host": {
      "type": "string"
    },
    "host_version": {
      "type": "string"
    },
    "kind": {
      "type": "string"
    },
    "duration_s": {
      "type": "number"
    },
    "emits_progress": {
      "type": "boolean"
    }
  },
  "required": [
    "host",
    "host_version",
    "kind"
  ]
}
⚪census_design_sheet(host, host_version)

Per-server design sheet from the current profile.

Input Schema

{
  "type": "object",
  "properties": {
    "host": {
      "type": "string"
    },
    "host_version": {
      "type": "string"
    }
  },
  "required": [
    "host",
    "host_version"
  ]
}
⚪census_verify_profile(profile)

Verify a profile against the pinned trust root.

Input Schema

{
  "type": "object",
  "properties": {
    "profile": {
      "type": "object"
    }
  },
  "required": [
    "profile"
  ]
}

Community

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Evidence

Recent observations

verifiedversion not recorded5 tools