Jachy MCP Server

Creates a new post (thread) inside a Discord Forum channel.

Parameters:

• channel_id (string, required) : Snowflake ID of the Forum channel. Right-click the channel in Discord → Copy Channel ID.

• title (string, required) : Post subject line. Max 100 characters.

• content (string, required) : Body of the first message. Max 2000 characters. Supports Discord markdown (bold, italic, code blocks, etc.)

• tag_ids (string[], optional): Array of Forum tag snowflake IDs to label the post.

Returns: A confirmation string with the post title and a direct URL, e.g.: "Forum post created successfully.\nTitle: My Post\nURL: https://discord.com/channels/GUILD/THREAD"

Errors:

• "Invalid input …" — Input failed validation (wrong types, values out of range).

• HTTP 401 Unauthorized — DISCORD_BOT_TOKEN is missing or invalid.

• HTTP 403 Forbidden — The bot does not have permission to post in this channel.

• HTTP 404 Not Found — channel_id does not exist or is not a Forum channel.

• HTTP 400 Bad Request — Malformed payload (e.g. tag IDs that do not exist in the forum).