What is fable-pin?
fable-pin is a Claude Code mod by karanb192 that pins every subagent to the fable model: rewrites the model on agent.spawn unless the spawn is a fork, with /fable-pin on, off and status. Touches nothing but its own store. Needs function. It is listed under Agents & automation and has 42 GitHub stars.
| Type | Claude code mod |
|---|---|
| Author | karanb192 |
| Repository | karanb192/claude-code-mods |
| Popularity | 42 GitHub stars |
| Category | Agents & automation |
| Security | Low risk (100/100) |
| Rank | #243 of 5,272 Claude Code mods; #25 in Agents & automation |
| License | MIT |
| Last commit | 2026-10-17 |
| Stars this week | +1 |
| Hooks | 3 events |
| Sees | subagent spawns |
| Draws on | nothing |
Is fable-pin safe to install?
fable-pin scores 100/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 8 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 no files or config | Pass |
| Doesn't read environment variables | Pass |
| 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 |
|---|---|
$.command.register | |
$.store.get | keeps its own state |
$.store.set | keeps its own state |
How do I install fable-pin?
- 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/karanb192/claude-code-mods claude plugin validate ./claude-code-mods/plugins/fable-pin
- Install it. Run this in your terminal, then /reload-plugins in an open session.
claude plugin marketplace add karanb192/claude-code-mods && claude plugin install fable-pin@claude-code-mods
Or ask Claude to set it up
Paste this into Claude Code and it installs fable-pin for you:
Install the "fable-pin" Claude Code mod from https://github.com/karanb192/claude-code-mods/tree/main/plugins/fable-pin. Run claude plugin validate on it first and show me what it can access before you enable it.
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