/**
* Symbol Library tools for KiCAD MCP server
* Provides search/browse access to local KiCad symbol libraries
*/
import { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
import { z } from 'zod';
export function registerSymbolLibraryTools(server: McpServer, callKicadScript: Function) {
// List available symbol libraries
server.tool(
"list_symbol_libraries",
"List all available KiCAD symbol libraries from global sym-lib-table",
{},
async () => {
const result = await callKicadScript("list_symbol_libraries", {});
if (result.success && result.libraries) {
return {
content: [
{
type: "text",
text: `Found ${result.count} symbol libraries:\n${result.libraries.join('\n')}`
}
]
};
}
return {
content: [
{
type: "text",
text: `Failed to list symbol libraries: ${result.message || 'Unknown error'}`
}
]
};
}
);
// Search for symbols across all libraries
server.tool(
"search_symbols",
`Search for symbols in local KiCAD symbol libraries.
Searches by: symbol name, LCSC ID, description, manufacturer, MPN, category.
Use this to find components already in your local libraries (e.g., JLCPCB-KiCad-Library).
Returns symbol references that can be used directly in schematics.`,
{
query: z.string()
.describe("Search query (e.g., 'ESP32', 'STM32F103', 'C8734' for LCSC ID)"),
library: z.string().optional()
.describe("Optional: filter to specific library name pattern (e.g., 'JLCPCB')"),
limit: z.number().optional().default(20)
.describe("Maximum number of results to return")
},
async (args: { query: string; library?: string; limit?: number }) => {
const result = await callKicadScript("search_symbols", args);
if (result.success && result.symbols) {
if (result.symbols.length === 0) {
return {
content: [
{
type: "text",
text: `No symbols found matching "${args.query}"${args.library ? ` in libraries matching "${args.library}"` : ''}`
}
]
};
}
const symbolList = result.symbols.map((s: any) => {
const parts = [`${s.full_ref}`];
if (s.lcsc_id) parts.push(`LCSC: ${s.lcsc_id}`);
if (s.description) parts.push(s.description);
else if (s.value) parts.push(s.value);
return parts.join(' | ');
}).join('\n');
return {
content: [
{
type: "text",
text: `Found ${result.count} symbols matching "${args.query}":\n\n${symbolList}`
}
]
};
}
return {
content: [
{
type: "text",
text: `Failed to search symbols: ${result.message || 'Unknown error'}`
}
]
};
}
);
// List symbols in a specific library
server.tool(
"list_library_symbols",
"List all symbols in a specific KiCAD symbol library",
{
library: z.string()
.describe("Library name (e.g., 'Device', 'PCM_JLCPCB-MCUs')")
},
async (args: { library: string }) => {
const result = await callKicadScript("list_library_symbols", args);
if (result.success && result.symbols) {
const symbolList = result.symbols.map((s: any) => {
const parts = [` - ${s.name}`];
if (s.lcsc_id) parts.push(`(LCSC: ${s.lcsc_id})`);
return parts.join(' ');
}).join('\n');
return {
content: [
{
type: "text",
text: `Library "${args.library}" contains ${result.count} symbols:\n${symbolList}`
}
]
};
}
return {
content: [
{
type: "text",
text: `Failed to list symbols in library ${args.library}: ${result.message || 'Unknown error'}`
}
]
};
}
);
// Get detailed information about a specific symbol
server.tool(
"get_symbol_info",
"Get detailed information about a specific symbol",
{
symbol: z.string()
.describe("Symbol specification (e.g., 'Device:R' or 'PCM_JLCPCB-MCUs:STM32F103C8T6')")
},
async (args: { symbol: string }) => {
const result = await callKicadScript("get_symbol_info", args);
if (result.success && result.symbol_info) {
const info = result.symbol_info;
const details = [
`Symbol: ${info.full_ref}`,
info.value ? `Value: ${info.value}` : '',
info.description ? `Description: ${info.description}` : '',
info.lcsc_id ? `LCSC: ${info.lcsc_id}` : '',
info.manufacturer ? `Manufacturer: ${info.manufacturer}` : '',
info.mpn ? `MPN: ${info.mpn}` : '',
info.footprint ? `Footprint: ${info.footprint}` : '',
info.category ? `Category: ${info.category}` : '',
info.lib_class ? `Class: ${info.lib_class}` : '',
info.datasheet ? `Datasheet: ${info.datasheet}` : '',
].filter(line => line).join('\n');
return {
content: [
{
type: "text",
text: details
}
]
};
}
return {
content: [
{
type: "text",
text: `Failed to get symbol info: ${result.message || 'Unknown error'}`
}
]
};
}
);
}