Qiita API MCP Server

Instructions

Implementation Reference

• src/tools/handlers.ts:141-144 (handler)

  The handler for the 'follow_tag' tool. It uses tagIdSchema for input validation and delegates execution to QiitaApiClient.followTag(tagId).

  follow_tag: {
    schema: tagIdSchema,
    execute: async ({ tagId }, client) => client.followTag(tagId),
  },

• src/tools/definitions.ts:422-435 (schema)

  MCP tool definition for 'follow_tag' including the input JSON schema requiring a 'tagId' string.

  {
    name: 'follow_tag',
    description: '指定されたタグをフォローします',
    inputSchema: {
      type: 'object',
      properties: {
        tagId: {
          type: 'string',
          description: 'タグID',
        },
      },
      required: ['tagId'],
    },
  },

• src/index.ts:26-28 (registration)

  Registration of the tool list request handler, which returns the tools array containing 'follow_tag'.

  server.setRequestHandler(ListToolsRequestSchema, async () => {
    return { tools };
  });

• src/index.ts:30-65 (registration)

  Registration of the call tool request handler, which dynamically dispatches to toolHandlers[name].execute for 'follow_tag'.

  server.setRequestHandler(CallToolRequestSchema, async (request) => {
    const { name, arguments: args } = request.params;
  
    const accessToken = process.env.QIITA_ACCESS_TOKEN;
    const qiita = new QiitaApiClient(accessToken);
    const handler = toolHandlers[name];
  
    try {
      if (!handler) {
        throw new Error(`未知のツール: ${name}`);
      }
  
      const parsedArgs = handler.schema.parse(args ?? {});
      const result = await handler.execute(parsedArgs, qiita);
  
      return {
        content: [
          {
            type: 'text',
            text: JSON.stringify(result, null, 2),
          },
        ],
      };
    } catch (error: any) {
      const message = error?.message ?? String(error);
      return {
        content: [
          {
            type: 'text',
            text: `エラーが発生しました: ${message}`,
          },
        ],
        isError: true,
      };
    }
  });

• src/qiitaApiClient.ts:156-160 (helper)

  The QiitaApiClient method that performs the actual API call to follow the specified tag.

  async followTag(tagId: string) {
    this.assertAuthenticated();
    await this.client.put(`/tags/${tagId}/following`);
    return { success: true };
  }