What is prompt-rail?
prompt-rail is a Claude Code mod by oikon48 that a rail of your session's prompts beside the transcript or above the prompt; hover to read one, click to jump to it. It is listed under Interface and has 37 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | oikon48 |
| Repository | oikon48/prompt-rail |
| Popularity | 37 GitHub stars |
| Category | Interface |
| Security | Review before installing (76/100) |
| Rank | #254 of 5,272 Claude Code mods; #103 in Interface |
| License | MIT |
| Last commit | 2026-10-15 |
| Stars this week | +10 |
| Hooks | 11 events |
| Sees | classic hooks, every prompt |
| Draws on | UserMessage, AssistantMessage, ToolUse, ToolResult, ToolGroup, Pane, AbovePrompt |
Is prompt-rail safe to install?
prompt-rail scores 76/100 on the MCPMods security check: Review before installing. Things to review: writes files or config; watches every prompt or event. 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 no processes | Pass |
| Writes files or config | Review |
| Doesn't read environment variables | Pass |
| Watches every prompt or event | Review |
| 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.after | |
$.command.register | |
$.config.set | changes config |
$.fs.read | reads files |
$.fs.stat | reads files |
$.process.spawn | |
$.session.id | |
$.state.get | |
$.state.set | |
$.store.delete | keeps its own state |
$.store.get | keeps its own state |
$.store.keys | keeps its own state |
$.store.set | keeps its own state |
$.ui.close | draws interface |
$.ui.open | draws interface |
$.ui.resolve | draws interface |
$.ui.scroll | draws interface |
$.ui.toast | draws interface |
How do I install prompt-rail?
- 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/oikon48/prompt-rail claude plugin validate ./prompt-rail/plugins/prompt-rail
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add oikon48/prompt-rail && claude plugin install prompt-rail@oikon48
Or ask Claude to set it up
Paste this into Claude Code and it installs prompt-rail for you:
Install the "prompt-rail" Claude Code mod from https://github.com/oikon48/prompt-rail/tree/main/plugins/prompt-rail. Run claude plugin validate on it first and show me what it can access before you enable it.