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---
name: tokf-discover
description: Find missed token savings by scanning AI coding session files for commands that ran without tokf filtering.
---
# tokf discover — Find Missed Token Savings
Use this skill to analyze past sessions and find commands that are running without tokf filtering, wasting tokens on verbose output.
## Quick Start
Run `tokf discover` in the project directory to scan recent sessions:
```bash
tokf discover
```
## Options
- `--all` — scan all projects, not just the current one
- `--since 7d` — only scan sessions from the last 7 days (also `24h`, `30m`)
- `--limit 0` — show all results (default: top 20)
- `--json` — output as JSON for programmatic use
- `--session <path>` — scan a specific session file
- `--project <path>` — scan sessions for a specific project path
## Workflow
1. Run `tokf discover` to identify top savings opportunities
2. For commands with existing filters: run `tokf hook install --tool codex` to set up automatic filtering
3. For commands without filters: create a custom filter with `tokf eject`
4. Re-run `tokf discover` after changes to verify improvement
## JSON Output
Use `--json` for integration with other tools:
```bash
tokf discover --json
```
