create_label
Create custom Gmail labels to organize emails with configurable visibility settings and color options for better inbox management.
Instructions
Create a new label
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| name | Yes | The display name of the label | |
| messageListVisibility | No | The visibility of messages with this label in the message list | |
| labelListVisibility | No | The visibility of the label in the label list | |
| color | No | The color settings for the label |
Implementation Reference
- src/index.ts:403-419 (registration)Registration of the 'create_label' tool, including input schema (Zod) and handler function that uses Gmail API to create a label.server.tool("create_label", "Create a new label", { name: z.string().describe("The display name of the label"), messageListVisibility: z.enum(['show', 'hide']).optional().describe("The visibility of messages with this label in the message list"), labelListVisibility: z.enum(['labelShow', 'labelShowIfUnread', 'labelHide']).optional().describe("The visibility of the label in the label list"), color: z.object({ textColor: z.string().describe("The text color of the label as hex string"), backgroundColor: z.string().describe("The background color of the label as hex string") }).optional().describe("The color settings for the label") }, async (params) => { return handleTool(config, async (gmail: gmail_v1.Gmail) => { const { data } = await gmail.users.labels.create({ userId: 'me', requestBody: params }) return formatResponse(data) }) }
- src/index.ts:414-419 (handler)Handler function for 'create_label' tool: authenticates via handleTool, calls Gmail users.labels.create API, and formats response.async (params) => { return handleTool(config, async (gmail: gmail_v1.Gmail) => { const { data } = await gmail.users.labels.create({ userId: 'me', requestBody: params }) return formatResponse(data) }) }
- src/index.ts:406-413 (schema)Input schema for 'create_label' tool using Zod validation.name: z.string().describe("The display name of the label"), messageListVisibility: z.enum(['show', 'hide']).optional().describe("The visibility of messages with this label in the message list"), labelListVisibility: z.enum(['labelShow', 'labelShowIfUnread', 'labelHide']).optional().describe("The visibility of the label in the label list"), color: z.object({ textColor: z.string().describe("The text color of the label as hex string"), backgroundColor: z.string().describe("The background color of the label as hex string") }).optional().describe("The color settings for the label") },
- src/index.ts:49-65 (helper)Shared helper function handleTool used by create_label (and all tools) for OAuth2 authentication, client creation, and API call execution.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 tool responses as MCP content.const formatResponse = (response: any) => ({ content: [{ type: "text", text: JSON.stringify(response) }] })