httptoolkit-mcp

Instructions

Implementation Reference

• src/index.ts:136-146 (handler)

  The MCP tool 'intercept_chrome' is registered in index.ts and delegates the logic to `client.activateInterceptor('fresh-chrome', proxyPort)`.

  server.registerTool(
    'intercept_chrome',
    {
      title: 'Intercept Chrome Browser',
      description: 'Launch a fresh independent Chrome window with all HTTP(S) traffic intercepted. The browser uses an isolated profile so it won\'t affect your normal browsing.',
      inputSchema: z.object({
        proxyPort: z.number().describe('Proxy port to route traffic through'),
      }),
    },
    async ({ proxyPort }) => jsonResult(await client.activateInterceptor('fresh-chrome', proxyPort))
  );

• src/httptoolkit-client.ts:101-111 (handler)

  The `activateInterceptor` method in HttpToolkitClient sends a POST request to the HTTP Toolkit server API endpoint `/interceptors/{id}/activate/{proxyPort}` to perform the actual interception activation.

  async activateInterceptor(
    id: string,
    proxyPort: number,
    options?: unknown
  ): Promise<{ result: { success: boolean; metadata?: unknown } }> {
    return this.request(
      'POST',
      `/interceptors/${encodeURIComponent(id)}/activate/${proxyPort}`,
      options || {}
    );
  }