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Updated 7mo ago

by chenhunghan

code-mode-skill

Claude Code skill: add code mode to any MCP server for 65-99% context reduction

Works with
  • Claude
View on GitHub (opens in a new tab)

21 GitHub stars (21)

Steady at 21 stars — no new stars in the 16 days since Sep 30.

  • 1 skill (1 skills found in its SKILL.md files)
  • 5 forks (5 forks)
  • 7mo ago last update (Last updated 7mo ago)

Install

Skills CLI

npx skills add chenhunghan/code-mode-skill

Asks which agents to install it for. Add -g to install it for every project.

Claude Code

git clone https://github.com/chenhunghan/code-mode-skillcp -r "code-mode-skill" ~/.claude/skills/code-mode-skill

Copies the code-mode skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project).

Plugin

/plugin marketplace add chenhunghan/code-mode-skill

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • code-mode

    Add a "code mode" tool to an existing MCP server so LLMs can write small processing scripts that run against large API responses in a sandboxed runtime — only the script's compact output enters the LLM context window. Use this skill whenever someone wants to add code mode, context reduction, script execution, sandbox execution, or LLM-generated-code processing to an MCP server. Also trigger when…

    SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.