delete_draft
Remove unwanted draft emails from your Gmail account by specifying the draft ID. This tool helps clean up your drafts folder and manage email composition.
Instructions
Delete a draft
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| id | Yes | The ID of the draft to delete |
Implementation Reference
- src/index.ts:298-309 (registration)Registration of the 'delete_draft' tool, including input schema (draft ID) and handler function that authenticates via handleTool, calls Gmail API to delete the draft, and formats the response.
server.tool("delete_draft", "Delete a draft", { id: z.string().describe("The ID of the draft to delete") }, async (params) => { return handleTool(config, async (gmail: gmail_v1.Gmail) => { const { data } = await gmail.users.drafts.delete({ userId: 'me', id: params.id }) return formatResponse(data) }) } ) - src/index.ts:303-308 (handler)Inline handler function for delete_draft tool: uses handleTool to manage OAuth2 auth and errors, then invokes gmail.users.drafts.delete with the provided draft ID.
async (params) => { return handleTool(config, async (gmail: gmail_v1.Gmail) => { const { data } = await gmail.users.drafts.delete({ userId: 'me', id: params.id }) return formatResponse(data) }) } - src/index.ts:300-302 (schema)Input schema for delete_draft tool: requires a string 'id' parameter for the draft ID.
{ id: z.string().describe("The ID of the draft to delete") }, - src/index.ts:50-80 (helper)Shared helper function handleTool used by delete_draft (and other tools) for OAuth2 authentication, Gmail client creation, API call execution, and error handling (esp. auth errors).
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) { // Check for specific authentication errors if ( error.message?.includes("invalid_grant") || error.message?.includes("refresh_token") || error.message?.includes("invalid_client") || error.message?.includes("unauthorized_client") || error.code === 401 || error.code === 403 ) { return formatResponse({ error: `Authentication failed: ${error.message}. Please re-authenticate by running: npx @shinzolabs/gmail-mcp auth`, }); } return formatResponse({ error: `Tool execution failed: ${error.message}` }); } } - src/index.ts:48-49 (helper)Shared helper to format tool responses as MCP content blocks with JSON stringified data.
const formatResponse = (response: any) => ({ content: [{ type: "text", text: JSON.stringify(response) }] })