MCP MeasureMCP Measure

index observed

touchstone-mcp

Dated SIU, the benchmark price of AI inference work: one free tool, three paid via x402.

Should I use this

Quality & Safety

A
Description quality
85%
Schema completeness
77%
Naming quality
100%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Findings (2)

  • LOWTool 'get_index' description lacks action verbin get_index
  • LOWTool 'get_quote' description lacks action verbin get_quote

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~337Tokens (tool definitions)
~663 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": {
    "touchstone-mcp": {
      "url": "https://mcp.touchstoneassay.com/mcp"
    }
  }
}

Remote endpoints

https://mcp.touchstoneassay.com/mcpstreamable-http

What it can do

Tool inventory

Tools (4)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢get_index(version, date)

The signed Dated SIU print. Free — citation is the business.

Input Schema

{
  "type": "object",
  "properties": {
    "version": {
      "type": "string"
    },
    "date": {
      "type": "string"
    }
  },
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢get_quote(task_class, model)

SIU price, exchange rate and index refs for one task class and model.

Input Schema

{
  "type": "object",
  "properties": {
    "task_class": {
      "type": "string"
    },
    "model": {
      "type": "string"
    }
  },
  "required": [
    "task_class",
    "model"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪convert(model, input_tokens, output_tokens)

Convert a model call's token counts into SIU and USD.

Input Schema

{
  "type": "object",
  "properties": {
    "model": {
      "type": "string"
    },
    "input_tokens": {
      "type": "integer",
      "minimum": 0,
      "maximum": 9007199254740991
    },
    "output_tokens": {
      "type": "integer",
      "minimum": 0,
      "maximum": 9007199254740991
    }
  },
  "required": [
    "model",
    "input_tokens",
    "output_tokens"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪verify_receipt(chain, tx_hash, quote)

Reads an on-chain settlement and returns a signed attestation.

Input Schema

{
  "type": "object",
  "properties": {
    "chain": {
      "type": "string"
    },
    "tx_hash": {
      "type": "string"
    },
    "quote": {
      "type": "object",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {}
    }
  },
  "required": [
    "chain",
    "tx_hash",
    "quote"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Community

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Evidence

Recent observations

verifiedversion not recorded4 tools
verifiedversion not recorded4 tools