Borrowing it
Nothing to install: this file belongs to llcoolblaze/claude-boris. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/llcoolblaze/claude-boris/main/.claude/commands/undo.mdgit clone --depth 1 https://github.com/llcoolblaze/claude-borisWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/commands/llcoolblaze/claude-boris/undo)<a href="https://agentmods.dev/commands/llcoolblaze/claude-boris/undo"><img src="https://agentmods.dev/badge/commands/llcoolblaze/claude-boris/undo/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/commands/llcoolblaze/claude-boris/undo"><img src="https://agentmods.dev/badge/commands/llcoolblaze/claude-boris/undo.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00022 | $0.00665 |
| Opus 5.5 | $0.00009 | $0.00266 |
| Sonnet 5.5 | $0.00004 | $0.00133 |
| Haiku 4.5 | $0.00002 | $0.00067 |
Grade A, and why
undo scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 115 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Undo Last Change
Current State
!git log -3 --oneline 2>/dev/null || echo "Not a git repo"
!git status --short 2>/dev/null
Last Commit Details
!git log -1 --format="Author: %an%nMessage: %s%nDate: %ar" 2>/dev/null
Undo Protocol
1. Identify What to Undo
Check if last commit was made by Claude Boris:
LAST_AUTHOR=$(git log -1 --format="%an")
LAST_MSG=$(git log -1 --format="%s")
# Check for Claude markers
if echo "$LAST_MSG" | grep -qiE "claude|🤖|Generated by"; then
echo "✅ Last commit was by Claude Boris - safe to undo"
else
echo "⚠️ Last commit was NOT by Claude Boris"
echo "Manual confirmation required"
fi
2. Undo Options
Option A: Undo Last Commit (keep changes staged)
git reset --soft HEAD^
Result: Commit removed, changes remain staged
Option B: Undo Last Commit (unstage changes)
git reset HEAD^
Result: Commit removed, changes remain in working directory
Option C: Undo Last Commit (discard changes)
git reset --hard HEAD^
⚠️ DESTRUCTIVE: Changes are lost
Option D: Undo Multiple Commits
git reset --soft HEAD~N # Where N is number of commits
3. Execute Undo
Based on the analysis:
If last commit was by Claude Boris:
- Default to
--softreset (safest) - Keep changes for review
- Report what was undone
If last commit was NOT by Claude:
- Warn user
- Require explicit confirmation
- Suggest alternative approaches
4. Report
↩️ Undo Complete
Reverted: [commit message]
SHA: [commit SHA]
Files affected: [count]
Changes are now: [staged/unstaged/discarded]
To restore: git reflog
To continue: make desired changes and commit
5. Safety Checks
Before undoing:
- Verify commit is by Claude
- Check for pushed commits (warn if pushed)
- Offer to create backup stash
- Log undo operation in audit log
Undo History
Track undos for reference:
echo "$(date +%Y-%m-%d_%H:%M:%S) UNDO $(git log -1 --format='%h %s')" >> .claude/undo.log
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2mo ago First seen · 115 lines · 22 tokens per session scan A 682bc6713234
undo is a command published in the GitHub repository llcoolblaze/claude-boris (49 stars, last pushed 9mo ago), licensed MIT. It adds 22 tokens to every session and 665 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
Other commands, from other repositories
merge-conflict-analysis
You are analyzing merge conflicts for PR #${{ pr-number }}.
release-notes
Generate consistent, well-structured release notes from git history. Triggered on release tags following semver patterns (v..) to produce categorized changelog with breaking changes, features, fixes, and contributor attribution.
commit
A command that examines staged Git changes and proposes a commit message using the Conventional Commits format, such as feat, fix, or docs. Git is a tool for tracking changes to code.
repo-audit
Audit a codebase (local or remote GitHub/GitLab) against architecture principles and requirements, surfacing drift, risk, and missing decisions.
pr
Handle the full workflow from current branch state to an open, CI-monitored pull request.
release-plan
A release-planning command for a software change. It documents the release scope, rollback plan, gradual or full rollout, and monitoring before waiting for human approval.