Manifold Markets MCP Server

Instructions

Implementation Reference

• src/index.ts:584-606 (handler)

  Handler function for the 'get_user' tool. Parses input using GetUserSchema, fetches user data from Manifold Markets API by username, and returns the JSON response as text content.

  case 'get_user': {
    const { username } = GetUserSchema.parse(args);
    const response = await fetch(`${API_BASE}/v0/user/${username}`, {
      headers: { Accept: 'application/json' },
    });
  
    if (!response.ok) {
      throw new McpError(
        ErrorCode.InternalError,
        `Manifold API error: ${response.statusText}`
      );
    }
  
    const user = await response.json();
    return {
      content: [
        {
          type: 'text',
          text: JSON.stringify(user, null, 2),
        },
      ],
    };
  }

• src/index.ts:69-71 (schema)

  Zod input schema for the 'get_user' tool, requiring a 'username' string.

  const GetUserSchema = z.object({
    username: z.string(),
  });

• src/index.ts:238-248 (registration)

  Tool registration entry in the listTools response, defining name, description, and inputSchema for 'get_user'.

  {
    name: 'get_user',
    description: 'Get user information by username',
    inputSchema: {
      type: 'object',
      properties: {
        username: { type: 'string', description: 'Username' },
      },
      required: ['username'],
    },
  },