ckanthony/Chisel

Overview

Chisel is a Rust-based toolkit that provides patch-based file editing and kernel-enforced path confinement for AI agents. It reduces token usage compared to naive read/write operations and can be used as an MCP server or embedded directly.

Best for

Best for
Developers building AI agents that need efficient, secure file editing with minimal context usage.

Use cases

• Apply precise file patches with minimal token overhead
• Restrict agent file access to confined directories
• Integrate as an MCP server in Rust, Python, or Node.js projects

How to use

Install

npx skills add ckanthony/Chisel

Tools exposed

• patch_apply
• write_file
• shell_exec
• read_file

Notes

Chisel is a Rust-based toolkit that provides patch-based file editing and kernel-enforced path confinement for AI agents. It reduces token usage compared to naive read/write operations and can be used as an MCP server or embedded directly.

12 stars on GitHub. Last updated 2026-03-07.

Use cases

• Apply precise file patches with minimal token overhead
• Restrict agent file access to confined directories
• Integrate as an MCP server in Rust, Python, or Node.js projects

Pros

• Dramatically lower token consumption for file operations
• Kernel-level path confinement improves security
• Works as standalone MCP server or embeddable library

Cons

• Small community with only 12 GitHub stars
• Requires Rust toolchain for compilation
• Limited documentation beyond the provided Skills.md

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.