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discord_reply_to_forum

Send messages in Discord forum threads to participate in discussions or provide responses within organized community conversations.

Instructions

Reply to a forum post (send a message in a forum thread).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
thread_idYes
contentYes

Implementation Reference

  • The handler implementation for the `discord_reply_to_forum` tool, which fetches the thread by ID and sends a reply using `thread.send`.
    case "discord_reply_to_forum": {
      const thread = await getThreadChannel(args.thread_id as string);
      const sent = await thread.send(args.content as string);
      return { content: [{ type: "text", text: `✅ Reply sent (id: ${sent.id}) in thread "${thread.name}".` }] };
    }
  • The schema definition for `discord_reply_to_forum`, specifying the input parameters `thread_id` and `content`.
      name: "discord_reply_to_forum",
      description: "Reply to a forum post (send a message in a forum thread).",
      inputSchema: {
        type: "object",
        properties: {
          thread_id: { type: "string" },
          content: { type: "string" },
        },
        required: ["thread_id", "content"],
      },
    },
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries full burden but only states the basic action without behavioral details. It doesn't disclose permissions required, rate limits, whether it's idempotent, or what happens on success/failure (e.g., message visibility, thread locking). This is inadequate for a mutation tool with zero annotation coverage.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, efficient sentence that front-loads the core purpose with zero wasted words. It's appropriately sized for a simple tool, though brevity contributes to gaps in other dimensions.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no annotations, 0% schema coverage, no output schema, and 2 parameters, the description is incomplete. It lacks details on behavior, parameters, outputs, and usage context, making it insufficient for an agent to reliably invoke this mutation tool in the Discord ecosystem.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, so the description must compensate but adds no parameter semantics. It doesn't explain what 'thread_id' or 'content' represent, their formats (e.g., ID structure, content length limits), or usage context. With 2 undocumented parameters, this is a significant gap.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the action ('Reply to a forum post') and the resource ('a forum thread'), specifying it involves sending a message. It distinguishes from generic message-sending tools like 'discord_send_message' by focusing on forum threads, though it doesn't explicitly contrast with 'discord_reply_message' which might handle other contexts.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No explicit guidance on when to use this tool versus alternatives is provided. It doesn't mention prerequisites (e.g., needing an existing thread), exclusions, or compare with siblings like 'discord_reply_message' or 'discord_create_forum_post', leaving usage context implied rather than stated.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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