Claude Code mod
mcp-lights
Band above the prompt listing this session's MCP servers; a server's chip lights up, with a live count of running calls, while its tools run.
Install
/plugin marketplace add milroyfraser/mcp-lights
/plugin install mcp-lights@mcp-lightsMods install like plugins. Run /reload-plugins or start a new session to load it.
What it can access
- Reach
- L2Writes or runs: drives Claude, reads mod state, draws
- Sees
- every tool call
- Draws in
AbovePrompt- Hooks
session.starttool.callui.render
From a static scan of the mod's code by awesome-claude-code-mods. It shows what the code asks for, not a security review.
How Claude Code mods work
- A mod is a plugin with a JavaScript or TypeScript module that runs inside Claude Code (version 2.1.287 or later). It can draw panes beside the transcript, a band above the prompt, buttons and toasts, restyle the spinner and tool rows, and watch or rewrite tool calls and prompts.
- It installs like any plugin: add its marketplace with /plugin marketplace add owner/repo, then /plugin install name@marketplace.
- Check what a mod can reach before installing: it runs with your permissions. Reach goes from drawing only, to reading files, to writing files or running processes, to the network. Run claude plugin validate on a clone to list its hooks and calls without running it.
- Turn one off from the Installed tab in /plugin, or start Claude Code with --safe-mode to skip every customization for a session.
Details
- Repository
- milroyfraser/mcp-lights
- Folder
.- Marketplace
mcp-lights- Author
- Milroy Fraser
- License
- MIT
- Last updated
- 13 October 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is mcp-lights?
Band above the prompt listing this session's MCP servers; a server's chip lights up, with a live count of running calls, while its tools run. It is a mod for Claude Code, from milroyfraser/mcp-lights on GitHub.
What can the mcp-lights mod access?
Its widest reach is "writes or runs" (drives Claude, reads mod state, draws). It sees every tool call. It draws in AbovePrompt. Like any mod, it runs with your permissions.
How do I install mcp-lights?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add milroyfraser/mcp-lights and then /plugin install mcp-lights@mcp-lights.
Is mcp-lights popular?
milroyfraser/mcp-lights has 2 GitHub stars and 0 forks, and is included in 1 curated Claude Code list. It was last updated on 13 October 2026.
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