MCP MeasureMCP Measure

index observed

Pre-dispatch rejection ledger

Witness for MCP calls rejected pre-dispatch: hash-chained ledger, enum differ, signed receipts.

Should I use this

Quality & Safety

B
Description quality
87%
Schema completeness
72%
Naming quality
87%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~216Tokens (tool definitions)
~418 BTypical response size
Minimal attention impact (0.17% 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": {
    "pre-dispatch-rejection-ledger": {
      "url": "https://textforagents.com/products/pre-dispatch-rejection-ledger/mcp"
    }
  }
}

Remote endpoints

https://textforagents.com/products/pre-dispatch-rejection-ledger/mcpstreamable-http

What it can do

Tool inventory

Tools (3)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢receipt_query(tool, field)

Ask whether a call was rejected pre-dispatch, by which constraint, and whether substitution is forbidden (DO-NOT-SUBSTITUTE). $0.01/query; one free query per operator ever.

Input Schema

{
  "type": "object",
  "properties": {
    "tool": {
      "type": "string"
    },
    "field": {
      "type": "string"
    }
  }
}
⚪record_rejection(tool, field, constraint, value, intent_bearing)

Record a validator rejection (value hashed only).

Input Schema

{
  "type": "object",
  "properties": {
    "tool": {
      "type": "string"
    },
    "field": {
      "type": "string"
    },
    "constraint": {
      "type": "string",
      "enum": [
        "enum",
        "maxLength",
        "required",
        "type"
      ]
    },
    "value": {},
    "intent_bearing": {
      "type": "boolean"
    }
  },
  "required": [
    "tool",
    "field",
    "constraint"
  ]
}
⚪differ_scan(server_id, tools)

Enum schema-vs-upstream differ scan, $4.99/server up to 25 tools.

Input Schema

{
  "type": "object",
  "properties": {
    "server_id": {
      "type": "string"
    },
    "tools": {
      "type": "array"
    }
  }
}

Community

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Evidence

Recent observations

verifiedversion not recorded3 tools