n8n
Version:
n8n Workflow Automation Tool
98 lines • 4.74 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createSearchWorkflowNodesTool = void 0;
const zod_1 = __importDefault(require("zod"));
const constants_1 = require("./constants");
const mcp_ai_gateway_helper_1 = require("../../mcp-ai-gateway.helper");
const mcp_constants_1 = require("../../mcp.constants");
const inputSchema = {
queries: zod_1.default
.array(zod_1.default.string())
.min(1)
.describe('Search queries for n8n nodes — service names (e.g. "gmail", "slack"), trigger types (e.g. "schedule trigger", "webhook"), or utility nodes (e.g. "set", "if", "merge", "code")'),
usage: zod_1.default
.enum(['workflow', 'agentTool'])
.optional()
.describe('Use agentTool to return only nodes that can be configured as Agent tools; defaults to workflow'),
};
const outputSchema = {
results: zod_1.default
.string()
.describe('Search results with matching node IDs, discriminators, and related nodes'),
n8nConnect: zod_1.default
.object({
credentialTypes: zod_1.default.array(zod_1.default.string()).describe('Credential types n8n Connect can provide.'),
nodes: zod_1.default
.array(zod_1.default.string())
.describe('Node types n8n Connect may cover. Prefer these when the user has not specified an integration. Candidate coverage only — exact eligibility also depends on the node action, minimum type version, and hidden properties.'),
})
.optional()
.describe(`Present when n8n Connect is available. Candidate coverage — cross-reference against the search results, but call ${mcp_constants_1.LIST_N8N_CONNECT_SERVICES_TOOL_NAME} for exact eligibility (supported actions, min versions, hidden properties).`),
};
const createSearchWorkflowNodesTool = (user, nodeCatalogService, telemetry, aiGatewayService) => ({
name: constants_1.CODE_BUILDER_SEARCH_NODES_TOOL.toolName,
config: {
description: 'Search for n8n nodes by service name, trigger type, or utility function. Set usage="agentTool" to return only Agent-compatible tool nodes. Returns node IDs, discriminators (resource/operation/mode), and related nodes needed for get_node_types.',
inputSchema,
outputSchema,
annotations: {
title: constants_1.CODE_BUILDER_SEARCH_NODES_TOOL.displayTitle,
readOnlyHint: true,
destructiveHint: false,
idempotentHint: true,
openWorldHint: false,
},
},
handler: async ({ queries, usage }) => {
const telemetryPayload = {
user_id: user.id,
tool_name: constants_1.CODE_BUILDER_SEARCH_NODES_TOOL.toolName,
parameters: { queries, usage },
};
try {
const options = usage === 'agentTool'
? {
nodeFilter: (await import('../../../../modules/agents/agents-tools.service.js'))
.isAgentToolNodeType,
}
: {};
const [{ results, queriesWithNoResults }, availability] = await Promise.all([
nodeCatalogService.searchNodes(queries, options),
aiGatewayService.isAvailable(),
]);
telemetryPayload.results = {
success: true,
data: {
queryCount: queries.length,
noResultQueryCount: queriesWithNoResults.length,
queriesWithNoResults,
},
};
telemetry.track(mcp_constants_1.USER_CALLED_MCP_TOOL_EVENT, telemetryPayload);
const structured = {
results,
};
const coverage = (0, mcp_ai_gateway_helper_1.toN8nConnectCoverage)(availability);
if (coverage)
structured.n8nConnect = coverage;
const text = coverage ? `${results}\n\nn8nConnect: ${JSON.stringify(coverage)}` : results;
return {
content: [{ type: 'text', text }],
structuredContent: structured,
};
}
catch (error) {
telemetryPayload.results = {
success: false,
error: error instanceof Error ? error.message : String(error),
};
telemetry.track(mcp_constants_1.USER_CALLED_MCP_TOOL_EVENT, telemetryPayload);
throw error;
}
},
});
exports.createSearchWorkflowNodesTool = createSearchWorkflowNodesTool;
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