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Discord messaging via `message_send` (channel=discord).

Skill by understudy-ai

IndexedMIT★ 464
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/understudy-ai-discord

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Discord messaging via `message_send` (channel=discord). Use for outbound sends, replies, edits, reactions, deletes, and attachment sends on Discord.

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
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Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/discord

What's inside

Skill name
discord
Description
Discord messaging via `message_send` (channel=discord). Use for outbound sends, replies, edits, reactions, deletes, and attachment sends on Discord.
License
MIT
Instructions
98 lines in SKILL.md · view on GitHub

Agent Skills spec issues

  • allowed-tools: must be a space-separated string

Files (1)

  • SKILL.md

SKILL.md (first lines)

# Discord (Via `message_send`)

Use the `message_send` tool. Understudy does not expose a separate provider-specific `discord` tool.

## Musts

- Always: `channel: "discord"`.
- Use the canonical `message_send` schema: `recipient`, `text`, `threadId`, `replyTo`, `messageId`, `emoji`, `attachmentUrl`, `attachmentType`, `attachmentName`, `attachmentMimeType`.
- Prefer explicit ids in the recipient string when possible, for example `channel:1234567890` or `user:1234567890`.

## Guidelines

- Avoid Markdown tables in outbound Discord messages.
- Mention users as `<@USER_ID>`.
- Keep Discord actions within the current Understudy tool surface. Do not invent unsupported fields such as `components`, `embeds`, `pollQuestion`, `thread-create`, `search`, or `set-presence`.

## Targets

- Send-like actions: `recipient: "channel:<id>"` or `recipient: "user:<id>"`.
- Message-specific actions: use `messageId`, and include `recipient` when the adapter needs target context.

## Common Actions (Examples)

Send message:

```json
{
  "action": "send",
  "channel": "discord",
  "recipient": "channel:123",
  "text": "hello"
}
```

Reply to a message:

```json
{
  "action": "reply",
  "channel": "discord",
  "recipient": "channel:123",
  "replyTo": "456",
  "text": "Thanks, looking now."
}
```

Send with attachment:

```json
{
  "action": "sendAttachment",
  "channel": "discord",
  "recipient": "channel:123",
  "text": "see attachment",
  "attachmentUrl": "/tmp/example.png",
  "attachmentType": "image",
  "attachmentName": "example.png"
}
```

```json
{
  "action": "edit",
  "channel": "discord",
  "recipient": "channel:123",
  "messageId": "456",
  "text": "fixed typo"
}
```

```json
{
  "action": "react",
  "channel": "discord",
  "recipient": "channel:123",
  "messageId": "456",
  "emoji": "✅"
}
```

```json
{
  "action": "delete",
  "channel": "discord",
  "recipient": "channel:123",
  "messageId": "456"
}
```

If you need polls, search, thread creation, pins, moderation, or presence changes, tell the user the current Understudy tool surface does not expose those Discord-specific operations directly.

## Writing Style (Discord)

- Short, conversational, low ceremony.
- No markdown tables.
- Mention users as `<@USER_ID>`.

From understudy-ai/understudy, MIT.

More from understudy-ai/understudy

Signals

Stars
464
Forks
36
Open issues
2
Last commit (this folder)
Mar 12, 2026 (7 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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Cite this page

discord skill. Agent Mart. https://agentmart.dev/skills/understudy-ai-discord (last updated 2026-10-24)