About io.github.gregario/lego-oracle
io.github.gregario/lego-oracle is an MCP server in the Security category: lEGO sets, parts, minifigs, and inventories as an MCP server.
Install
claude mcp add io-github-gregario-lego-oracle -- npx -y lego-oraclenpx -y lego-oracleThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (3)
compare_setsCompare 2-4 sets side by side: piece count, year, theme, minifigs, shared parts.
Parameters not published.
get_setGet complete set details: inventory (grouped by part category), minifigures, theme hierarchy.
Parameters not published.
search_setsSearch for sets by name, theme, year, or piece count. Full-text search with filters.
Parameters not published.
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README
Ask your AI assistant about LEGO sets, find specific bricks, look up minifigures, browse themes, and compare sets. All backed by Rebrickable's catalog (26k sets, 62k parts, 17k minifigs), not hallucinations.
10 tools. Zero config. Works with every MCP-compatible IDE.
Install
npx -y lego-oracle
Add to your IDE
claude mcp add lego-oracle -- npx -y lego-oracle
Add to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%/Claude/claude_desktop_config.json (Windows):
{
"mcpServers": {
"lego-oracle": {
"command": "npx",
"args": ["-y", "lego-oracle"]
}
}
}
Add to .cursor/mcp.json:
{
"mcpServers": {
"lego-oracle": {
"command": "npx",
"args": ["-y", "lego-oracle"]
}
}
}
Add to .vscode/mcp.json:
{
"servers": {
"lego-oracle": {
"command": "npx",
"args": ["-y", "lego-oracle"]
}
}
}
Add to ~/.codeium/windsurf/mcp_config.json:
{
"mcpServers": {
"lego-oracle": {
"command": "npx",
"args": ["-y", "lego-oracle"]
}
}
}
Add to settings.json:
{
"context_servers": {
"lego-oracle": {
"command": {
"path": "npx",
"args": ["-y", "lego-oracle"]
}
}
}
}
Tools
Set Tools
| Tool | Description |
|---|---|
search_sets |
Search for sets by name, theme, year, or piece count. Full-text search with filters. |
get_set |
Get complete set details: inventory (grouped by part category), minifigures, theme hierarchy. |
compare_sets |
Compare 2-4 sets side by side: piece count, year, theme, minifigs, shared parts. |
Part Tools
| Tool | Description |
|---|---|
search_parts |
Search parts by name, category, colour, or material. |
get_part |
Get part details including available colours and mold/print variants. |
find_part_in_sets |
Find which sets contain a specific part (optionally in a specific colour), sorted by quantity. |
Minifig Tools
| Tool | Description |
|---|---|
search_minifigs |
Search minifigures by name. |
get_minifig |
Get minifig details and every set it appears in. |
Discovery Tools
| Tool | Description |
|---|---|
browse_themes |
Browse the LEGO theme hierarchy. Top-level themes or drill into sub-themes with set counts. |
find_mocs |
Find community alternate builds (MOCs) for a set's parts. |
Data
All data is embedded at build time from Rebrickable. No network calls at runtime.
| Category | Count |
|---|---|
| Sets | 26,339 |
| Parts | 61,702 |
| Colours | 275 |
| Minifigures | 16,646 |
| Inventory entries | 1,483,652 |
| Part relationships | 35,757 |
| Themes | 490 |
Data is updated daily via GitHub Actions. New npm versions are published automatically when Rebrickable data changes.
Development
npm install
npm run build
npm test # 141 tests
To refresh data from Rebrickable:
npm run fetch-data
npm run build
Attribution
Data from Rebrickable. LEGO is a trademark of the LEGO Group. This project is not produced by or endorsed by the LEGO Group.
License
MIT
README copy captured when this server was indexed; it may lag the repository. The original is authoritative.