# hermes-pen-bridge

> Use this tool when you need to streamline design workflows and manage .pen files efficiently, as it solves problems related to design token extraction, version control, and batch export by providing a hybrid MCP server that proxies native design tools and adds utilities for layer trees and diffs, accepting .pen files as input and outputting extracted design tokens and exported designs. It is ideal for designers and developers working with Pencil's native design tools. The tool's interface allows for seamless integration with existing design workflows.

Canonical page: https://skillsregistry.net/skills/devvgwardo-hermes-pen-bridge  
JSON: https://api.skillsregistry.net/v1/skills/devvgwardo-hermes-pen-bridge

## Description

A hybrid MCP server that proxies Pencil's native design tools and adds utilities for .pen file management, enabling design token extraction, layer trees, diffs, and batch export.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** file-system
- **Updated:** 2026-09-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/xiz928yhsj)
- **Repository:** <https://github.com/DevvGwardo/hermes-pen-bridge>

## 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": "devvgwardo-hermes-pen-bridge"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/devvgwardo-hermes-pen-bridge` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/devvgwardo-hermes-pen-bridge/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