@postman/postman-mcp-server
Version:
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)
67 lines (66 loc) • 2.81 kB
JavaScript
import { z } from 'zod';
import { ContentType } from '../clients/postman.js';
import { ErrorCode } from '@modelcontextprotocol/sdk/types.js';
import { asMcpError, McpError } from './utils/toolHelpers.js';
export const method = 'updateRuleset';
export const title = 'Update a ruleset';
export const description = "Updates a custom ruleset's name, description, or content. Only the fields you send\nchange, but \\`content\\` replaces the entire ruleset rather than merging rules, so read\nthe current content with getRuleset (\\`include=content\\`) and send the full edited\ndocument. Changes take effect for every governance group the ruleset is assigned to.\nPostman-managed rulesets (\\`type: system\\`) can't be updated and return 403.\n";
export const parameters = z.object({
rulesetId: z.string().describe("The ruleset's ID."),
name: z
.string()
.regex(new RegExp('^[a-zA-Z0-9_.-]+$'))
.max(255)
.describe("The ruleset's name.")
.optional(),
description: z.string().max(1000).describe("The ruleset's description.").optional(),
content: z
.string()
.describe("The ruleset's content, up to a maximum of 500 KB (UTF-8).")
.optional(),
});
export const annotations = {
title: 'Update a ruleset',
readOnlyHint: false,
openWorldHint: true,
destructiveHint: false,
idempotentHint: true,
};
export async function handler(args, extra) {
try {
if ([args['name'], args['description'], args['content']].filter((value) => value !== undefined)
.length < 1) {
throw new McpError(ErrorCode.InvalidParams, 'Request body must include at least 1 property.');
}
const endpoint = `/rulesets/${encodeURIComponent(String(args.rulesetId))}`;
const query = new URLSearchParams();
const url = query.toString() ? `${endpoint}?${query.toString()}` : endpoint;
const bodyPayload = {};
if (args.name !== undefined)
bodyPayload.name = args.name;
if (args.description !== undefined)
bodyPayload.description = args.description;
if (args.content !== undefined)
bodyPayload.content = args.content;
const options = {
body: JSON.stringify(bodyPayload),
contentType: ContentType.JsonMergePatch,
headers: extra.headers,
};
const result = await extra.client.patch(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);
}
}