Claude Code mod
mermaid-inline
Draws the Mermaid diagrams in Claude's replies: as pictures in Ghostty, cmux and kitty, and as Unicode box drawing in other terminals
Install
/plugin marketplace add dazebug/mermaid-inline
/plugin install mermaid-inline@mermaid-inlineMods install like plugins. Run /reload-plugins or start a new session to load it.
What it can access
- Reach
- L2Writes or runs: runs processes, reads files, reads env vars, reads settings, draws
- Draws in
AssistantMessage- Hooks
session.startcommand.runprompt.composeui.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
- dazebug/mermaid-inline
- Folder
.- Marketplace
mermaid-inline- Author
- dazebug
- Type
- Workflow mods
- License
- MIT
- Last updated
- 9 October 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is mermaid-inline?
Draws the Mermaid diagrams in Claude's replies: as pictures in Ghostty, cmux and kitty, and as Unicode box drawing in other terminals It is a mod for Claude Code, from dazebug/mermaid-inline on GitHub.
What can the mermaid-inline mod access?
Its widest reach is "writes or runs" (runs processes, reads files, reads env vars, reads settings, draws). It draws in AssistantMessage. Like any mod, it runs with your permissions.
How do I install mermaid-inline?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add dazebug/mermaid-inline and then /plugin install mermaid-inline@mermaid-inline.
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