# sig

> sig — hegner123-sig. Use this tool when you need to extract and document public API surfaces from source files in Go, TypeScript, or C#. It solves the problem of manually maintaining API documentation by generating compact JSON outputs containing signatures, types, and interfaces. The sig tool takes source files as input and provides a CLI and MCP server interface for easy integration into development workflows.

Canonical page: https://skillsregistry.net/skills/hegner123-sig  
JSON: https://api.skillsregistry.net/v1/skills/hegner123-sig

## Description

Extract public API surface from source files as compact JSON: signatures, types, interfaces, no bodies. Supports Go, TypeScript, C#. MCP server + CLI.

## Trust

- **Trust score (0–1):** 0.94
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** file-system
- **Updated:** 2026-09-20

## Source

- **Source listing:** [GitHub](https://github.com/hegner123/sig)

## 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": "hegner123-sig"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/hegner123-sig` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/hegner123-sig/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