instagram-mcp

Instructions

Implementation Reference

• src/client.ts:480-485 (handler)

  The handler function in the client class that performs the API request to post a comment.

  async postComment(mediaId: string, message: string): Promise<IGComment> {
    const data = await this.request("POST", `${mediaId}/comments`, {
      body: { message },
    });
    return { id: data.id, text: message };
  }

• src/index.ts:229-241 (schema)

  Tool definition and input schema for post_comment.

  {
    name: "post_comment",
    description:
      "Post a top-level comment on an Instagram post. Requires instagram_manage_comments permission.",
    inputSchema: {
      type: "object" as const,
      properties: {
        media_id: { type: "string", description: "Instagram media ID" },
        message: { type: "string", description: "Comment text (max 2200 characters)", maxLength: 2200 },
      },
      required: ["media_id", "message"],
    },
  },

• src/index.ts:427-430 (registration)

  Tool dispatch logic for "post_comment" inside handleTool.

  case "post_comment": {
    const comment = await c.postComment(args.media_id, args.message);
    return JSON.stringify(comment, null, 2);
  }