Minipainter MCP Server

@ArturSkowronski

Repository Homepage

Basic information

License

MIT

Transports

stdio

Author

ArturSkowronski

Submitted by

Artur Skowronski

About Minipainter MCP Server

Local-first miniature-paint inventory and cross-brand color matching for AI agents. Search 1,607 paints across Citadel, Army Painter, Vallejo, and AK Interactive; match a hex color or a description to the nearest paint; and track which paints you own so an agent recommends what's

#miniatures#paint#color-matching#hobby#cli #local-first

Minipainter MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "minipainter": {
      "command": "npx",
      "args": [
        "-y",
        "-p",
        "minipainter",
        "minipainter-mcp"
      ]
    }
  }
}

Minipainter MCP Server tools

Search paints by name, alias, provider, owned state, role, or color family.

Show one paint or return ambiguous/not_found resolution results.

List owned paints from the local inventory.

Mark a paint as owned in the local inventory.

Mark a paint as not owned in the local inventory.

Match paints by approximate color with owned-first ranking.

Match paints from a semantic description like bone or silver metallic.

Overview

What is Minipainter?

Minipainter is a local-first paint registry for miniature-painting workflows. It maintains a deterministic catalog of 1,607 paints (Citadel, Army Painter, Vallejo, AK) and a personal inventory of owned paints, enabling AI paint suggestions that understand what you actually have. It provides a colored terminal UI (TUI), CLI, and MCP servers for both Claude Desktop and ChatGPT.

How to use Minipainter?

Install with npx minipainter or globally via npm install -g minipainter. Run CLI commands like paint search, match color, or tui to interact with the catalog and inventory. For Claude Desktop, add an MCP server entry in its configuration pointing to src/mcp-server.mjs. For self‑hosted Docker, use docker compose up --build (includes Postgres) or build the image and run with a volume. The HTTP server exposes REST endpoints and an MCP transport.

Key features of Minipainter

Owned-first matching for paint lookup and recommendations
Local catalog (bundled) and personal inventory (JSON or Postgres)
RGB‑aware search and cross‑brand color matching
Colored TUI with per‑paint RGB swatches and ownership status
Agent‑friendly CLI and MCP servers for Claude Desktop and ChatGPT
Deterministic, version‑controlled paint IDs

Use cases of Minipainter

Miniature painters who want AI paint suggestions based on their actual collection
Tracking which paints you own across multiple brands
Finding closest color matches from owned paints for a target color or description
Integrating paint inventory into Claude Desktop workflows (search, ownership updates)

Frequently asked questions

What paints are included in the catalog?

The catalog covers 1,607 paints across Citadel, Army Painter, Vallejo, and AK. It is bundled and kept in version control at `data/catalog/`.

How is my inventory stored?

By default, inventory is stored locally at `~/.minipainting/inventory.json`. In Docker (with Postgres) it persists in a named volume that survives container restarts and `docker compose down`; only `down -v` wipes it.

Can I use Minipainter without a database?

Yes. When `DATABASE_URL` is unset, Minipainter uses a local JSON inventory file. Alternatively, you can run the Docker stack with Postgres for persistence.

What transports/auth does the MCP server support?

The MCP server supports stdio (for Claude Desktop) and Streamable HTTP (for Claude mobile/web) via `mcp-http-server.mjs`. The HTTP endpoints can be protected with an `AUTH_TOKEN` for `/api/*` and `/mcp`, and an `INVENTORY_SYNC_TOKEN` for the sync endpoint.

Known limits: how accurate are the RGB values?

RGB values in the catalog are approximate reference colors for matching, not a guarantee of final painted appearance.

Comments

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