Skill Claude CodeCodex
Never scan /nix/store without limits, such as shell wildcard/glob expansion or recursive search over the whole store, because it contains hundreds of thousands of entries and can crash the agent process via OOM. Resolve the exact store path with nix commands first and operate scoped to that single path, or cap depth…
Skill Claude CodeCodex
A Nix configuration guide for treefmt, a tool that runs formatters, linters, and other checks across multiple programming languages.
Skill Claude CodeCodex
Nix writer functions (writeShellApplication, writeText, etc.) for generating scripts, text files, and data. Use when creating derivations that produce scripts or configuration files.
Plugin Claude Code
Create a GitHub pull request from the current branch.
Skill Claude CodeCodex
Pull request style guidelines covering title, body, assignee, and label selection. Use when writing or proposing GitHub pull requests, including direct gh pr create invocations outside the /pr skill.
Skill Claude CodeCodex
Generate a GitHub pull request title and body from the current branch, then let the user review before creation in manual mode or create it without confirmation in auto mode. Use when the user wants to create a pull request.
Plugin Claude Code
Steers file modifications to the builtin Edit tool instead of sed/perl/Python one-liners, with a skill and a PreToolUse hook.
Skill Claude CodeCodex
Use the builtin Edit tool (or Write for full rewrites) instead of sed, perl, or Python one-liners when modifying files. Use when editing, replacing, or rewriting file contents.
Plugin Claude Code
General-purpose programming guidance for AI coding assistants.
Skill Claude CodeCodex
Guidelines for shell commands. Avoid cat, find, grep, head, and tail; prohibit rm (use trash instead). Use when invoking shell commands via Bash.
Skill Claude CodeCodex
Prefer left-to-right ascending comparisons with less-than operators over greater-than operators, so values read in number-line order. Use when writing or reviewing comparison or range-check expressions.
Skill Claude CodeCodex
How to access GitHub. Avoid direct URL fetches; prefer GitHub MCP tools or the gh CLI subcommands. Use when fetching GitHub information or operating on issues, pull requests, or workflows.
Skill Claude CodeCodex
General naming rules across programming languages. Avoid meaningless words like common or util, and prefer singular base forms. Use when creating or reviewing names of files, directories, modules, functions, or variables.