create_forwarding_address
Set up email forwarding in Gmail by creating a forwarding address to automatically redirect incoming messages to another email account.
Instructions
Creates a forwarding address
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| forwardingEmail | Yes | An email address to which messages can be forwarded |
Implementation Reference
- src/index.ts:1044-1055 (registration)Registration of the create_forwarding_address tool on the MCP server, including schema and inline handler implementation.
server.tool("create_forwarding_address", "Creates a forwarding address", { forwardingEmail: z.string().describe("An email address to which messages can be forwarded") }, async (params) => { return handleTool(config, async (gmail: gmail_v1.Gmail) => { const { data } = await gmail.users.settings.forwardingAddresses.create({ userId: 'me', requestBody: params }) return formatResponse(data) }) } ) - src/index.ts:1049-1054 (handler)Handler executes the tool logic by calling Gmail API's users.settings.forwardingAddresses.create via the shared handleTool wrapper.
async (params) => { return handleTool(config, async (gmail: gmail_v1.Gmail) => { const { data } = await gmail.users.settings.forwardingAddresses.create({ userId: 'me', requestBody: params }) return formatResponse(data) }) } - src/index.ts:1046-1048 (schema)Zod schema defining the input parameter forwardingEmail.
{ forwardingEmail: z.string().describe("An email address to which messages can be forwarded") }, - src/index.ts:49-65 (helper)Shared helper function handleTool that sets up OAuth2 client, validates credentials, creates Gmail client, and executes the API call.
const handleTool = async (queryConfig: Record<string, any> | undefined, apiCall: (gmail: gmail_v1.Gmail) => Promise<any>) => { try { const oauth2Client = queryConfig ? createOAuth2Client(queryConfig) : defaultOAuth2Client if (!oauth2Client) throw new Error('OAuth2 client could not be created, please check your credentials') const credentialsAreValid = await validateCredentials(oauth2Client) if (!credentialsAreValid) throw new Error('OAuth2 credentials are invalid, please re-authenticate') const gmailClient = queryConfig ? google.gmail({ version: 'v1', auth: oauth2Client }) : defaultGmailClient if (!gmailClient) throw new Error('Gmail client could not be created, please check your credentials') const result = await apiCall(gmailClient) return result } catch (error: any) { return `Tool execution failed: ${error.message}` } } - src/index.ts:47-47 (helper)Helper function to format API responses for MCP tool output.
const formatResponse = (response: any) => ({ content: [{ type: "text", text: JSON.stringify(response) }] })