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@postman/postman-mcp-server

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Postman MCP Server — connect AI agents (Claude Code, Cursor, VS Code Copilot, Gemini CLI) to your Postman collections, specifications, and environments via Model Context Protocol (MCP)

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import { z } from 'zod'; import { ContentType } from '../clients/postman.js'; import { asMcpError, McpError } from './utils/toolHelpers.js'; export const method = 'createComponent'; export const title = 'Create a component'; export const description = "Creates a component in the team's component library and seeds its first draft with\nthe content you provide. Use this when a team wants a reusable schema, parameter,\nresponse, or security scheme that specifications can reference instead of redefining.\nThe component starts active and unpublished: the content lands in its draft only.\nCall createComponentVersion afterwards to publish it and make it referenceable.\nDo not use this tool to edit an existing component's content; use updateComponentDraft\ninstead. Requires a Postman Enterprise plan.\n"; export const parameters = z.object({ name: z .string() .regex(new RegExp('^[a-zA-Z0-9\\-_.]+$')) .min(1) .max(60) .describe("The component's name. This must be unique within the team and can only contain letters, digits, hyphens, underscores, and periods and can't exceed 60 characters."), type: z .preprocess((v) => (typeof v === 'string' ? v.toUpperCase() : v), z.enum(['OAS2', 'OAS3', 'OAS3_1'])) .describe("The component's type. Corresponds to the specification that the component's content adheres to."), content: z.string().describe("The component's content, up to a maximum of 500 KB (UTF-8)."), format: z .preprocess((v) => (typeof v === 'string' ? v.toUpperCase() : v), z.enum(['JSON', 'YAML'])) .describe("The component's content format. Defaults to YAML.") .default('YAML'), }); export const annotations = { title: 'Create a component', readOnlyHint: false, openWorldHint: true, destructiveHint: false, idempotentHint: false, }; export async function handler(args, extra) { try { const endpoint = `/components`; const query = new URLSearchParams(); const url = query.toString() ? `${endpoint}?${query.toString()}` : endpoint; const bodyPayload = {}; if (args.name !== undefined) bodyPayload.name = args.name; if (args.type !== undefined) bodyPayload.type = args.type; if (args.content !== undefined) bodyPayload.content = args.content; if (args.format !== undefined) bodyPayload.format = args.format; const options = { body: JSON.stringify(bodyPayload), contentType: ContentType.Json, headers: extra.headers, }; const result = await extra.client.post(url, options); return { content: [ { type: 'text', text: `${typeof result === 'string' ? result : JSON.stringify(result, null, 2)}`, }, ], }; } catch (e) { if (e instanceof McpError) { throw e; } throw asMcpError(e); } }