What is collision-widget?
collision-widget is a Claude Code mod by oMaN-Rod that stops an edit to a file another Claude Code session on this machine changed since this one last read it, and has Claude read it again first. It is listed under Interface and has 3 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | oMaN-Rod |
| Repository | oMaN-Rod/claude-code-widgets |
| Popularity | 3 GitHub stars |
| Category | Interface |
| Security | Review before installing (76/100) |
| Rank | #871 of 5,272 Claude Code mods; #324 in Interface |
| License | MIT |
| Last commit | 2026-10-12 |
| Stars this week | +2 |
| Hooks | 6 events |
| Sees | classic hooks, every tool call |
| Draws on | Pane, AbovePrompt, PromptHint |
Is collision-widget safe to install?
collision-widget scores 76/100 on the MCPMods security check: Review before installing. Things to review: writes files or config; 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 no processes | Pass |
| Writes files or config | Review |
| 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.now | |
$.command.register | |
$.env.get | reads env vars |
$.fs.list | reads files |
$.fs.read | reads files |
$.fs.stat | reads files |
$.fs.write | writes files |
$.session.cwd | |
$.session.id | |
$.state.get | |
$.state.set | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
$.ui.resolve | draws interface |
$.widgets.card |
How do I install collision-widget?
- 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/oMaN-Rod/claude-code-widgets claude plugin validate ./claude-code-widgets/plugins/collision-widget
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add oMaN-Rod/claude-code-widgets && claude plugin install collision-widget@claude-code-widgets
Or ask Claude to set it up
Paste this into Claude Code and it installs collision-widget for you:
Install the "collision-widget" Claude Code mod from https://github.com/oMaN-Rod/claude-code-widgets/tree/main/plugins/collision-widget. Run claude plugin validate on it first and show me what it can access before you enable it.
More from oMaN-Rod/claude-code-widgets
This repository has at least 9 Claude Code mods on MCPMods.
- factory-widget: The Widget Factory floor: each work order with its station and holder, what has shipped and what was turned back (Low risk)
- 2048-widget: The 2048 sliding-tile puzzle; it plays itself until you take the keys. (Low risk)
- 8ball-widget: Ask a yes or no question and get an answer of doubtful reliability. (Low risk)
- activity-widget: The most recent tool calls with how long each took and whether it failed. (Low risk)
- aim-widget: Where a command lands outside this folder: the kube context, cloud profile, Terraform workspace or database it is aimed (Review before installing)
- amendments-widget: What changed in the system prompt and the built-in tool descriptions Claude Code gives Claude since the version you last (Low risk)
- aquarium-widget: An aquarium with a fish for every running tool call and agent. (Low risk)
- aside-widget: Ask a side question about the conversation, even mid-turn, and get the answer on a card without adding a turn to the tra (Low risk)