# Touchstone MCP Server

> Touchstone MCP Server — savecharlie-touchstone. Use this tool when you need to verify and validate text or code with precision, as it provides deterministic utilities for tasks like unit conversion, citation formatting, and syntax checking. It solves problems related to data consistency, formatting, and accuracy, and accepts input in the form of text or code, outputting verified and formatted results. Ideal for use cases requiring re-executable proof and high reliability, such as academic or technical writing, and software development.

Canonical page: https://skillsregistry.net/skills/savecharlie-touchstone  
JSON: https://api.skillsregistry.net/v1/skills/savecharlie-touchstone

## Description

Provides deterministic, verifiable text/code/measurement utilities for AI agents, enabling tasks like unit conversion, citation formatting, diffing, proofreading, readability scoring, and syntax checking with re-executable proof.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/g1m9pw9jdx)
- **Repository:** <https://github.com/savecharlie/touchstone>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "savecharlie-touchstone"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/savecharlie-touchstone` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/savecharlie-touchstone/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt