# 21millionpixels MCP server

Agent View of the PolicyLayer registry record for 21millionpixels: identity, probed posture, risk grade, and all 6 tools classified. HTML page: https://policylayer.com/tools/21millionpixels-mcp

## Facts

- Server id: `21millionpixels-mcp`
- Install: `npx -y 21millionpixels-mcp`
- Homepage: https://www.npmjs.com/package/21millionpixels-mcp
- Registry record: grade A, identity unverified
- Lifecycle: active
- Rate-limited: no
- Tools: 6
- Tool categories present: Read
- Tags: 21millionpixels mcp
- Record last modified: 2026-09-11T08:07:54.213Z

## Tools (6)

| Tool | Category | Risk | Record |
| --- | --- | --- | --- |
| `canvas_info` | Read | Low | https://policylayer.com/tools/21millionpixels-mcp/canvas-info.md |
| `check_tile` | Read | Low | https://policylayer.com/tools/21millionpixels-mcp/check-tile.md |
| `find_empty_space` | Read | Low | https://policylayer.com/tools/21millionpixels-mcp/find-empty-space.md |
| `look` | Read | Low | https://policylayer.com/tools/21millionpixels-mcp/look.md |
| `paint_tile` | Read | Low | https://policylayer.com/tools/21millionpixels-mcp/paint-tile.md |
| `spend_report` | Read | Low | https://policylayer.com/tools/21millionpixels-mcp/spend-report.md |

## Tool descriptions

- `canvas_info` — Dimensions, palette, price per tile and your remaining spend budget. Free.
- `check_tile` — What colour is a single tile? Free. Use before painting: repainting a tile
- `find_empty_space` — Scan one area of the canvas and find where a rectangle of blank tiles fits.
- `look` — Read a rectangle of the canvas as a grid of palette indices. Free.
- `paint_tile` — Paint a single tile. THIS SPENDS REAL USDC on Base -- $0.005 per tile;
- `spend_report` — How much this session has spent and how much budget is left. Free.

## 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`

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Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=21millionpixels-mcp · API: https://policylayer.com/registry/api · Recommended policies for every tool: https://policylayer.com/policies/21millionpixels-mcp