What is mermaid-inline?
mermaid-inline is a Claude Code mod by dazebug that 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 listed under Interface and has no public popularity data yet.
| Type | Claude code mod |
|---|---|
| Author | dazebug |
| Repository | dazebug/mermaid-inline |
| Popularity | no public popularity data yet |
| Category | Interface |
| Security | Review before installing (76/100) |
| Rank | #3,009 of 5,272 Claude Code mods; #1,253 in Interface |
| License | MIT |
| Last commit | 2026-10-09 |
| Hooks | 4 events |
| Sees | only the events it hooks |
| Draws on | AssistantMessage |
Is mermaid-inline safe to install?
mermaid-inline scores 76/100 on the MCPMods security check: Review before installing. Things to review: starts processes outside the sandbox; reads environment variables. It passed 6 of 8 checks.
Mod footprints come from claude plugin validate, which lists every event a mod hooks and every API call it makes without running it.
| Check | Result |
|---|---|
| No network access | Pass |
| Starts processes outside the sandbox | Review |
| Writes no files or config | Pass |
| Reads environment variables | Review |
| Only sees the events it hooks | Pass |
| Doesn't drive Claude | Pass |
| Passes claude plugin validate | Pass |
| Has an open-source license | Pass |
API calls in its code
| Call | What it means |
|---|---|
$.clock.every | |
$.command.register | |
$.env.get | reads env vars |
$.fs.exists | reads files |
$.fs.read | reads files |
$.process.run | runs processes |
$.settings.read | reads settings |
$.ui.invalidate | draws interface |
$.ui.resolve | draws interface |
How do I install mermaid-inline?
- Check your Claude Code version. Mods need Claude Code 2.1.287 or later and are on by default.
claude --version
- Read its footprint. This lists every event it hooks and every API call it makes, without running it.
git clone https://github.com/dazebug/mermaid-inline claude plugin validate ./mermaid-inline/.
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add dazebug/mermaid-inline && claude plugin install mermaid-inline@mermaid-inline
Or ask Claude to set it up
Paste this into Claude Code and it installs mermaid-inline for you:
Install the "mermaid-inline" Claude Code mod from https://github.com/dazebug/mermaid-inline. Run claude plugin validate on it first and show me what it can access before you enable it.