Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/musingfox/cc-plugins/git-to-jjnpx skills add musingfox/cc-plugins --skill git-to-jjgit clone --depth 1 https://github.com/musingfox/cc-pluginsWhat 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 | $0.00153 | $0.01624 |
| Opus 5 | $0.00077 | $0.00812 |
| Sonnet 5 | $0.00031 | $0.00325 |
| Haiku 4.5 | $0.00015 | $0.00162 |
Grade A, and why
git-to-jj 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 yesterday.
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 — 122 lines — stays where its author put it; the contents beside it link to each section on GitHub.
git-to-jj — Git Mental Model Translation
When a user thinks in Git terminology inside a jj repository, translate their intent into the correct jj workflow.
When to Use
Use when ALL of these conditions are met:
- A
.jjdirectory exists in the project root (verify withls -d .jj 2>/dev/null) - The user uses Git-specific terminology (commit, branch, checkout, stash, etc.)
- The user intends to perform a VCS operation (not just discussing Git conceptually)
Do NOT use when:
- There is no
.jjdirectory (use actual git commands) - The user explicitly asks for git commands to run in a git-only repo
- The user is already using jj terminology correctly
- The user is discussing git concepts theoretically (not trying to do an operation)
Translation Table
Core Operations
| Git Command / Concept | jj Equivalent | Key Difference |
|---|---|---|
git add + git commit |
jj describe -m "msg" |
jj auto-tracks all files. No staging area. The working copy IS the change — just describe it. |
git commit --amend |
jj describe -m "new msg" |
In jj, the working copy is always being amended. Just re-describe. |
git add -p / git add <file> |
jj split |
Use split to selectively choose what goes into the current change |
Branching and Navigation
| Git Command / Concept | jj Equivalent | Key Difference |
|---|---|---|
git branch <name> |
jj bookmark set <name> |
Bookmarks are jj's branches. They're just labels on changes. |
git branch -d <name> |
jj bookmark delete <name> |
|
git checkout <branch> |
jj new <bookmark> or jj edit <rev> |
jj new starts fresh work on top; jj edit modifies existing change |
git checkout -b <name> |
jj new then jj bookmark set <name> |
Create change, then label it |
git switch <branch> |
jj new <bookmark> or jj edit <rev> |
Same as checkout |
Stashing and Temporary Work
| Git Command / Concept | jj Equivalent | Key Difference |
|---|---|---|
git stash |
jj new |
Just start a new change! Your work stays in the parent change. No special stash mechanism needed. |
git stash pop |
jj squash --from <stashed-change> |
Squash the "stashed" work into current change |
git stash list |
jj log |
All changes are visible in the log — no hidden stash stack |
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.
- yesterday First seen · 122 lines · 153 tokens per session scan A c2f96e719dd3
git-to-jj is a skill published in the GitHub repository musingfox/cc-plugins (2 stars, last pushed 2d ago), licensed MIT. It adds 153 tokens to every session and 1,624 once invoked, about $0.0008 per session on Opus 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 2026-08-31.
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