# libi.delete_file

PERMANENTLY DELETE a source file from disk. This is the ONLY destructive path in the system — the file is unrecoverable, and every scene, audio clip, and overlay referencing it is also removed. Use ONLY when the user explicitly says

Agent View of the PolicyLayer registry record for `libi.delete_file`. HTML page: https://policylayer.com/tools/libi/libi.delete-file

## Facts

- Tool: `libi.delete_file`
- Server: Libi (`Nagellabs/libi`) — https://policylayer.com/tools/libi.md
- Homepage: https://github.com/Nagellabs/libi
- Risk category: Destructive (Critical risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Hidden

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "libi.delete_file",
    "arguments": {}
  }
}
```

## Why libi.delete_file is rated Critical

Irreversibly deletes files and cascades deletions across all dependent scenes, audio, overlays with no recovery option.

From the tool's own definition: "PERMANENTLY DELETE a source file from disk. This is the ONLY destructive path in the system — the file is unrecoverable"

Risk signals: Bulk/mass operation — affects multiple targets

## Use case

AI agents call libi.delete_file to permanently remove resources in Libi, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

## Recommended policy (PolicyLayer)

Verdict: **Hidden**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Libi:

```json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "libi.delete_file"
  ]
}
```

## Other tools on Libi (214)

- `libi.analysis_remove_step` — Destructive — https://policylayer.com/tools/libi/libi.analysis-remove-step.md
- `libi.audio_remove_clip` — Destructive — https://policylayer.com/tools/libi/libi.audio-remove-clip.md
- `libi.clear_layer_effect` — Destructive — https://policylayer.com/tools/libi/libi.clear-layer-effect.md
- `libi.delete_asset_folder` — Destructive — https://policylayer.com/tools/libi/libi.delete-asset-folder.md
- `libi.delete_caption_style` — Destructive — https://policylayer.com/tools/libi/libi.delete-caption-style.md
- `libi.delete_character` — Destructive — https://policylayer.com/tools/libi/libi.delete-character.md
- `libi.delete_clip` — Destructive — https://policylayer.com/tools/libi/libi.delete-clip.md
- `libi.delete_folder` — Destructive — https://policylayer.com/tools/libi/libi.delete-folder.md
- `libi.delete_item` — Destructive — https://policylayer.com/tools/libi/libi.delete-item.md
- `libi.delete_keyframe` — Destructive — https://policylayer.com/tools/libi/libi.delete-keyframe.md
- `libi.delete_overlay_preset` — Destructive — https://policylayer.com/tools/libi/libi.delete-overlay-preset.md
- `libi.delete_piece` — Destructive — https://policylayer.com/tools/libi/libi.delete-piece.md
- `libi.delete_scene` — Destructive — https://policylayer.com/tools/libi/libi.delete-scene.md
- `libi.delete_track` — Destructive — https://policylayer.com/tools/libi/libi.delete-track.md
- `libi.discard_draft` — Destructive — https://policylayer.com/tools/libi/libi.discard-draft.md
- `libi.drop_proxies` — Destructive — https://policylayer.com/tools/libi/libi.drop-proxies.md
- `libi.invalidate_model_schema_cache` — Destructive — https://policylayer.com/tools/libi/libi.invalidate-model-schema-cache.md
- `libi.remove_effect` — Destructive — https://policylayer.com/tools/libi/libi.remove-effect.md
- `libi.remove_mcp_server` — Destructive — https://policylayer.com/tools/libi/libi.remove-mcp-server.md
- `libi.remove_overlay` — Destructive — https://policylayer.com/tools/libi/libi.remove-overlay.md
- `libi.remove_skill` — Destructive — https://policylayer.com/tools/libi/libi.remove-skill.md
- `libi.remove_skill_prompt` — Destructive — https://policylayer.com/tools/libi/libi.remove-skill-prompt.md
- `libi.restore_snapshot` — Destructive — https://policylayer.com/tools/libi/libi.restore-snapshot.md
- `compose_music` — Execute — https://policylayer.com/tools/libi/compose-music.md
- `isolate_audio` — Execute — https://policylayer.com/tools/libi/isolate-audio.md
- `libi.analysis_extract_audio` — Execute — https://policylayer.com/tools/libi/libi.analysis-extract-audio.md
- `libi.analysis_transcribe_audio` — Execute — https://policylayer.com/tools/libi/libi.analysis-transcribe-audio.md
- `libi.cancel_job` — Execute — https://policylayer.com/tools/libi/libi.cancel-job.md
- `libi.compute_object_track` — Execute — https://policylayer.com/tools/libi/libi.compute-object-track.md
- `libi.compute_track_segment` — Execute — https://policylayer.com/tools/libi/libi.compute-track-segment.md
- …and 184 more: https://policylayer.com/tools/libi.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=libi · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/libi