Claude Code now lets you change Claude Code. Mods are small JavaScript or TypeScript files, packaged as plugins, that run inside your session. They can draw new UI, rewrite prompts, and step into tool calls.
▶ ♫Claude Code mods, plugins, skills, hooks, status lines and MCP servers. Browse community builds with original sources and L0–L3 permission levels.
21 projectsClaude Code now lets you change Claude Code. Mods are small JavaScript or TypeScript files, packaged as plugins, that run inside your session. They can draw new UI, rewrite prompts, and step into tool calls.
▶ ♫An X post shares a reusable prompt that instructs Claude Code to build four plugins through the official mods API: file-explorer, workspace, ide-usage and ide-statusbar. It includes static-analysis rules for hooks, a priority order for type sources, tests and acceptance criteria.
▶ ♫A CLAUDE CODE MOD CAN READ YOUR API KEYS AND APPROVE COMMANDS BEFORE YOU SEE THEM. HERE'S HOW TO CHECK ONE IN 30 SECONDS.
Claude Code adds mods functionality, allowing customization of behavior and interface with a few lines of TypeScript, installed as plugins via /plugin, built on hooks; Anthropic says /diff and AGENTS.md support are built with mods.

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bazaarlink.aiVisit sponsor ↗A 3-minute hands-on tutorial covering what Claude Code mods are, installing and disabling them with /plugin, validating with claude plugin validate, authoring one with Claude, and testing offline with claude plugin test.
Claude Code 2.1.287 is released, including 106 CLI changes, adding Claude Mods plugin deep behavior modifications, a caretaker plugin, and multiple fixes and improvements.
Reddit shares two small Claude Code plugins: UsageBar shows usage, weekly limit, and context usage in the footer; QuickSkill (operated with /fav) lets you toggle commonly used plugins at the bottom, using claude plugin enable/disable without restart.
A community-built searchable directory and plugin marketplace for Claude Code mods: 67 plugins from 35 repos installable via /plugin marketplace add omarcevi/claudemods, with commit pinning, weekly version bump reviews and clean-config install testing.

emdash-watch is a Claude Code function-hook plugin in claude-mods that adds a non-blocking notice when the model writes an em dash to public-facing files (.md, .html, .css, .txt, .rst); internal files such as CLAUDE.md, memory/ and .claude/ are ignored. The series also includes dot-guard, home-path-guard, box-status and idle-ping.