feat: Enhance schematic functionality with pin-to-pin connections and netlist generation
Major improvements to schematic editing capabilities: ## Python Implementation (connection_schematic.py) - Implemented pin-to-pin connection logic using kicad-skip - Added get_pin_location() to find absolute pin positions - Implemented add_connection() for wire connections between component pins - Added add_net_label() for creating net labels - Added connect_to_net() to connect pins to named nets - Implemented get_net_connections() to query net connectivity - Added generate_netlist() for schematic netlist extraction ## MCP Handlers (kicad_interface.py) - Added 5 new command handlers: - add_schematic_connection - Pin-to-pin wiring - add_schematic_net_label - Net label placement - connect_to_net - Connect pin to named net - get_net_connections - Query net connectivity - generate_netlist - Export netlist data ## TypeScript Tools (schematic.ts) - Added 5 new MCP tools with proper schemas and validation - Enhanced user feedback with descriptive messages - Total schematic tools increased from 3 to 8 ## Features - Pin location calculation with symbol rotation support - Automatic wire stub creation for net labels - Comprehensive netlist generation with component and net info - Full logging for debugging connection issues This resolves the schematic editing limitations and enables users to: - Wire component pins together directly - Use net labels for cleaner schematics - Query schematic connectivity - Generate netlists for manufacturing 🤖 Generated with Claude Code Co-Authored-By: Claude <noreply@anthropic.com>
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KiCAD MCP Bot
@@ -73,4 +73,168 @@ export function registerSchematicTools(server: McpServer, callKicadScript: Funct
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};
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}
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);
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// Add pin-to-pin connection
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server.tool(
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"add_schematic_connection",
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"Connect two component pins with a wire",
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{
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schematicPath: z.string().describe("Path to the schematic file"),
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sourceRef: z.string().describe("Source component reference (e.g., R1)"),
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sourcePin: z.string().describe("Source pin name/number (e.g., 1, 2, GND)"),
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targetRef: z.string().describe("Target component reference (e.g., C1)"),
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targetPin: z.string().describe("Target pin name/number (e.g., 1, 2, VCC)")
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},
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async (args: { schematicPath: string; sourceRef: string; sourcePin: string; targetRef: string; targetPin: string }) => {
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const result = await callKicadScript("add_schematic_connection", args);
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if (result.success) {
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return {
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content: [{
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type: "text",
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text: `Successfully connected ${args.sourceRef}/${args.sourcePin} to ${args.targetRef}/${args.targetPin}`
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}]
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};
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} else {
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return {
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content: [{
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type: "text",
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text: `Failed to add connection: ${result.message || 'Unknown error'}`
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}]
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};
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}
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}
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);
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// Add net label
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server.tool(
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"add_schematic_net_label",
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"Add a net label to the schematic",
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{
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schematicPath: z.string().describe("Path to the schematic file"),
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netName: z.string().describe("Name of the net (e.g., VCC, GND, SIGNAL_1)"),
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position: z.array(z.number()).length(2).describe("Position [x, y] for the label")
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},
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async (args: { schematicPath: string; netName: string; position: number[] }) => {
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const result = await callKicadScript("add_schematic_net_label", args);
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if (result.success) {
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return {
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content: [{
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type: "text",
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text: `Successfully added net label '${args.netName}' at position [${args.position}]`
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}]
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};
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} else {
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return {
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content: [{
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type: "text",
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text: `Failed to add net label: ${result.message || 'Unknown error'}`
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}]
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};
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}
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}
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);
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// Connect pin to net
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server.tool(
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"connect_to_net",
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"Connect a component pin to a named net",
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{
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schematicPath: z.string().describe("Path to the schematic file"),
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componentRef: z.string().describe("Component reference (e.g., U1, R1)"),
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pinName: z.string().describe("Pin name/number to connect"),
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netName: z.string().describe("Name of the net to connect to")
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},
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async (args: { schematicPath: string; componentRef: string; pinName: string; netName: string }) => {
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const result = await callKicadScript("connect_to_net", args);
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if (result.success) {
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return {
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content: [{
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type: "text",
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text: `Successfully connected ${args.componentRef}/${args.pinName} to net '${args.netName}'`
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}]
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};
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} else {
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return {
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content: [{
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type: "text",
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text: `Failed to connect to net: ${result.message || 'Unknown error'}`
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}]
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};
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}
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}
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);
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// Get net connections
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server.tool(
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"get_net_connections",
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"Get all connections for a named net",
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{
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schematicPath: z.string().describe("Path to the schematic file"),
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netName: z.string().describe("Name of the net to query")
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},
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async (args: { schematicPath: string; netName: string }) => {
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const result = await callKicadScript("get_net_connections", args);
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if (result.success && result.connections) {
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const connectionList = result.connections.map((conn: any) =>
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` - ${conn.component}/${conn.pin}`
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).join('\n');
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return {
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content: [{
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type: "text",
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text: `Net '${args.netName}' connections:\n${connectionList}`
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}]
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};
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} else {
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return {
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content: [{
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type: "text",
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text: `Failed to get net connections: ${result.message || 'Unknown error'}`
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}]
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};
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}
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}
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);
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// Generate netlist
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server.tool(
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"generate_netlist",
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"Generate a netlist from the schematic",
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{
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schematicPath: z.string().describe("Path to the schematic file")
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},
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async (args: { schematicPath: string }) => {
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const result = await callKicadScript("generate_netlist", args);
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if (result.success && result.netlist) {
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const netlist = result.netlist;
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const output = [
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`=== Netlist for ${args.schematicPath} ===`,
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`\nComponents (${netlist.components.length}):`,
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...netlist.components.map((comp: any) =>
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` ${comp.reference}: ${comp.value} (${comp.footprint || 'No footprint'})`
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),
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`\nNets (${netlist.nets.length}):`,
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...netlist.nets.map((net: any) => {
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const connections = net.connections.map((conn: any) =>
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`${conn.component}/${conn.pin}`
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).join(', ');
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return ` ${net.name}: ${connections}`;
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})
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].join('\n');
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return {
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content: [{
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type: "text",
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text: output
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}]
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};
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} else {
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return {
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content: [{
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type: "text",
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text: `Failed to generate netlist: ${result.message || 'Unknown error'}`
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}]
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};
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}
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}
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);
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}
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