# fl_set_pattern_color

A write tool on the FL Studio MCP Server MCP server.

Agent View of the PolicyLayer registry record for `fl_set_pattern_color`. HTML page: https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-set-pattern-color

## Facts

- Tool: `fl_set_pattern_color`
- Server: FL Studio MCP Server (`404kidwiz/fl-studio-mcp`) — https://policylayer.com/tools/404kidwiz-fl-studio-mcp.md
- Homepage: https://github.com/404kidwiz/fl-studio-mcp
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

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

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

## Why fl_set_pattern_color is rated Medium

This tool creates or modifies visual metadata (color attribute) of a pattern in FL Studio. This is a reversible write operation with no destructive capability, no code execution, and no financial impact. The change is purely cosmetic and easily undoable, warranting low severity. Confidence is moderately high based on the clear naming convention despite the empty description.

From the tool's own definition: "Tool name 'fl_set_pattern_color' indicates modification of pattern visual properties (color) in FL Studio DAW. The 'set' verb indicates a write operation that modifies existing data."

## Use case

AI agents use fl_set_pattern_color to create or update resources in FL Studio MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your FL Studio MCP Server environment.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches FL Studio MCP Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "fl_set_pattern_color": {
      "limits": [
        {
          "counter": "fl_set_pattern_color_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on FL Studio MCP Server (109)

- `fl_clear_pattern` — Destructive — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-clear-pattern.md
- `fl_delete_marker` — Destructive — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-delete-marker.md
- `fl_undo` — Destructive — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-undo.md
- `fl_auto_mix` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-auto-mix.md
- `fl_browser_nav` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-browser-nav.md
- `fl_click_at` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-click-at.md
- `fl_dismiss_popup` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-dismiss-popup.md
- `fl_load_plugin` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-load-plugin.md
- `fl_load_vst_preset` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-load-vst-preset.md
- `fl_master_bus_clipper_optimizer` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-master-bus-clipper-optimizer.md
- `fl_multiband_stereo_widener_matrix` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-multiband-stereo-widener-matrix.md
- `fl_orchestral_articulation_mapper` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-orchestral-articulation-mapper.md
- `fl_panic` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-panic.md
- `fl_play_transport` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-play-transport.md
- `fl_polyphonic_midi_to_audio_harmonizer` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-polyphonic-midi-to-audio-harmonizer.md
- `fl_render_project` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-render-project.md
- `fl_resampler_glitch_generator` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-resampler-glitch-generator.md
- `fl_reset_ui` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-reset-ui.md
- `fl_set_plugin_param` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-set-plugin-param.md
- `fl_song_structure_mutator` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-song-structure-mutator.md
- `fl_spectral_morphing_engine` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-spectral-morphing-engine.md
- `fl_stop_transport` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-stop-transport.md
- `fl_ui_navigate` — Execute — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-ui-navigate.md
- `fl_ai_track_sheet_generator` — Read — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-ai-track-sheet-generator.md
- `fl_catalog_vst_preset` — Read — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-catalog-vst-preset.md
- `fl_get_channel_count` — Read — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-get-channel-count.md
- `fl_get_context` — Read — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-get-context.md
- `fl_get_current_pattern` — Read — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-get-current-pattern.md
- `fl_get_marker` — Read — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-get-marker.md
- `fl_get_mixer_state` — Read — https://policylayer.com/tools/404kidwiz-fl-studio-mcp/fl-get-mixer-state.md
- …and 79 more: https://policylayer.com/tools/404kidwiz-fl-studio-mcp.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=404kidwiz-fl-studio-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/404kidwiz-fl-studio-mcp