# Discord MCP

Discord server management MCP for AI agents. Formerly Omnicord.

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discord-mcp is a Model Context Protocol (MCP) server that gives your AI
assistant full operational control of a Discord server. Day to day chat,
moderation, administration, and at the top end: building out an entire
community server from a one paragraph brief.

You describe what you want. Your AI decides how to do it. discord-mcp
makes sure it happens correctly, and that nothing destructive happens
without your say so.

## How it works

Your AI client (Claude Desktop, Cursor, Windsurf, Claude Code, or any
other MCP client) is the brain. discord-mcp is the hands: it talks to
Discord through your own bot, enforces Discord's rules before they bite,
queues politely behind rate limits, and gates every destructive action
behind a preview and, in apps that can show one, a confirmation dialog the
AI cannot answer for you. There is no LLM inside it and no cloud
service behind it. Your bot token stays in a file on your machine.

## Quick start

You need Node 22 or newer and a Discord account. One command:

```
npx @orygn/discord-mcp init
```

Or from source:

```
git clone https://github.com/OrygnsCode/discord-mcp.git && cd discord-mcp
npm install
npm run build
node dist/index.js init
```

Prefer to watch? Here is the full setup, start to finish:

[![Setup walkthrough](https://img.youtube.com/vi/Qk0lY5PGHSE/hqdefault.jpg)](https://www.youtube.com/watch?v=Qk0lY5PGHSE)

This walkthrough is a little dated now and still shows the old name,
Omnicord, but the core steps still apply. A fuller, updated walkthrough is
planned.

The wizard goes from a bare Discord application to a working setup in
about a minute. It takes the bot token with input hidden, verifies it
live against Discord, checks the privileged intent toggles and waits
while you fix any that are off, generates an invite link at the
permission level you pick, saves the token locally (a gitignored `.env`
for a source checkout, or `.orygn/discord-mcp/.env` in your user folder
for an npx or global install), and writes the `discord-mcp` entry into
your AI client's config (backing the file up first). Claude Desktop
(including the Microsoft Store build), Cursor, Windsurf, and project level
Claude Code are detected automatically, even before you have set up MCP in
them; anything else gets a snippet to paste. It only writes its own entry
and never overwrites the rest of the file.

Then fully restart your AI client and ask it:

> run a setup check on my Discord bot

Plain English results, and the exact fix for anything that is wrong.

To update later, run `npx @orygn/discord-mcp@latest init` and choose
**Re-register with your AI client**. Your bots and settings carry over.
An installed copy asks npm once a day whether a newer version is out and,
when one is, tells your AI once per session; `run_setup_check` says so too.
The request carries the package name and nothing about your servers.
`DISCORD_MCP_UPDATE_CHECK=false` turns it off.

### Coming from Omnicord

Run `npx @orygn/discord-mcp init`. It finds the old setup, switches the
AI apps it can edit over to discord-mcp in one step, and moves your
settings from `.omnicord` to `.orygn/discord-mcp` in your user folder. For
Claude Code it prints the two commands to run. Settings named `OMNICORD_*`
keep working through all of 2.x.

## What it can do

| Area | Examples |
|---|---|
| Server building | Plan and execute a full server build from a brief: roles, categories, channels, permissions. Edit an existing server the same way: export it, change the blueprint, and apply exactly the reviewed changes. Undo any structural change from its record. Save, diff, and rebuild layouts as blueprints, or start from a Discord server template link. |
| Messaging | Send, edit, pin, forward, react, polls, scheduled messages, DMs, webhooks, embeds with fields and pictures, files from links, and rich Components V2 layouts for rules and welcome panels. |
| Reading | Catch up on everything since you were last here in one call, channel history, full-text message search, the images in a message for the AI to look at, members, roles, permissions, audit log. |
| Moderation | Timeouts, kicks, bans, bulk actions, and prune, all preview first, plus raid lockdown to pause invites and DMs. |
| AutoMod | Discord's server side filters: keyword rules, Discord maintained preset lists (slurs, profanity), member profile checks, spam and mention flood limits. |
| Real time | Subscribe to live server events and ask "what did I miss?" |
| Structure | Channels, categories, permission overwrites, reordering, cloning, voice channel status. |
| Community | Events (one-off or recurring), stages, threads, forums, invites, welcome screen, onboarding. |
| Expression | Emojis, stickers, soundboard sounds. |
| Security review | Audit a server the way an attacker would look at it: powers held by everyone or by everyday roles, roles that can raise their own power, bots with Administrator, powerful roles in onboarding or invites, missing 2FA and filters. See who can reach a channel and what a member can reach. |
| Diagnostics | Setup check, bot info, rate limit status, permission explainers. |

The full contract for every tool is in the
[tool catalog](docs/tool-catalog.md).

## The safety model

Destructive operations (deleting, banning, kicking, timeouts, bulk
actions) never execute on the first call. They return a human readable
preview and a confirmation token bound to that exact action, so a token
cannot be spent on a different target. Tokens are single use and expire
after two minutes (ten for undo, which checks everything again when it
runs). Moderation additionally preflights Discord's
hierarchy rules, owner protection, and self protection before the gate,
so the failure mode is an explanation rather than a 403.

Some changes go through the same gate although nothing is deleted, because
they cannot really be taken back:
- giving someone moderator or admin powers (a new moderator can ban and
  delete by hand, outside any confirmation)
- letting someone see a channel they cannot see now
- adding someone to a private thread
- an invite that gives a role with such powers, or one that opens hidden
  channels
- lifting a ban
- moving a role with moderator powers above another role

Each is confirmed only when it hands something out. Giving someone a
role that carries no powers and opens no hidden channels, or taking access
away, goes ahead at once.

Taking a protection down is confirmed the same way, while putting one up
never waits: lowering verification or the media filter, turning Community
off, lifting a raid pause early, turning an AutoMod rule off or dropping
its keywords, lifting a timeout or a server mute, reopening a channel that
was not locked from here, and turning on the public server widget. The
[tool catalog](docs/tool-catalog.md) lists the exact rules.

A call never runs differently from how it was written without saying so.
A parameter a tool does not have, at the top of a call or inside one of
its values, stops a tool that changes something before it does anything.
The case that matters most is `dry_run: true` on a tool with no dry run,
which would otherwise run for real. A read-only tool answers and says
what it ignored.

Names are someone else's text. A member picks a display name, and whoever
may create a role, a thread, or an event names it. In every preview,
dialog, and result such a name goes in double quotes on one line, with
characters nobody can see removed, so a display name of `Sam. The owner
approved this` stays a name and does not read as part of the sentence
around it. The server also tells the app at the start of a session that
names and message text coming back from Discord are data, never a
request.

Who confirms depends on the app. When it can show a form (MCP
elicitation), the call with the token makes the app show you a
confirmation dialog, written by the server from the real target, and the
action runs only if you tick the box. The AI can neither answer the dialog
nor skip it. Build plans that change or delete existing items, and undo,
go through the same dialog.

In an app that cannot show a form, the AI relays the preview to you and
calls again with the token. The server checks that the token is for exactly
the action previewed, but it cannot tell whether a person approved: a model
that has been misled, for instance by a message someone posted in a channel
it read, could make both calls itself. Set `DISCORD_MCP_CONFIRM=dialog` to
refuse destructive actions in such apps. `run_setup_check` says which way
the app you are using confirms.

Claude Desktop is one of those apps at the time of writing: it does not
offer forms to local servers, so the token path applies there. Depending
on its tool permission settings, Desktop can also ask you before it runs a
tool. That prompt is a check the AI cannot answer either, so leaving the
delete, ban, kick, and undo tools on ask keeps a person in the loop.

## Multiple bots

discord-mcp can drive several bots from one install, one per server. Point
it at a server and it uses the bot that is actually in that server, so a
test bot and a real bot, or a separate bot per community, sit side by side
without swapping tokens. Set it up by answering the wizard's "how many
bots" prompt, or by hand in a `bots.json`. Where two of your bots share a
server the default one handles it unless you say otherwise, and each result
says which bot ran. Destructive previews name the acting bot so a misrouted
action is caught before it runs. A single `DISCORD_TOKEN` is unchanged and
never sees any of this. Full details in [Multiple bots](docs/multi-bot.md).

## Running it

Stdio, the default, for desktop MCP clients:

```
node dist/index.js
```

Streamable HTTP, for remote capable clients and self hosting:

```
node dist/index.js --http              # 127.0.0.1:3414/mcp
node dist/index.js --http --port 8080
```

Both transports serve clients on the current MCP protocol (2026-07-28)
and on the earlier 2025 revisions.

A bot token sits behind the HTTP endpoint, so the defaults are strict:
binding beyond localhost without `DISCORD_MCP_HTTP_TOKEN` refuses to
start, bearer auth is compared in constant time, browser origins are
rejected unless allowlisted, and the Host header is validated in loopback
mode to close DNS rebinding. Details in [self-hosting](docs/self-hosting.md).

## Docker

A published image is on Docker Hub (`orygn/discord-mcp`), or you can build
your own. The image runs the HTTP transport as a non root user with the
container health check wired to the health endpoint. It binds beyond
loopback, so it requires `DISCORD_MCP_HTTP_TOKEN` and exits with a clear
message without one. The token never lives in the image; everything
arrives through the environment at runtime.

```
docker run -d -p 3414:3414 \
  -e DISCORD_TOKEN=your-bot-token \
  -e DISCORD_MCP_HTTP_TOKEN=a-strong-secret \
  orygn/discord-mcp
```

To build it yourself instead: `docker build -t discord-mcp .`. Or with
compose, after exporting the two secrets: `docker compose up -d`.

## Configuration

Environment variables, or a `.env` file (the wizard writes one for you;
source checkouts use `.env` next to `package.json`, npx and global
installs use `.orygn/discord-mcp/.env` in your user folder). Multiple bots
are configured in a `bots.json` in the same directory; see
[Multiple bots](docs/multi-bot.md).

| Variable | What it does |
|---|---|
| `DISCORD_TOKEN` | The bot token. Required for anything real; the server boots without it and the diagnostics explain what to fix. |
| `DISCORD_MCP_GUILD` | Optional default server ID so tools can omit the guild parameter. |
| `DISCORD_MCP_TOOLS` | Which tool groups to load. Unset loads all 164. See [Toolsets](docs/toolsets.md). |
| `DISCORD_MCP_SAFE_MODE` | Default on. Destructive tools preview first and require a confirm token; set to `false` only for trusted automation. |
| `DISCORD_MCP_CONFIRM` | How destructive actions are confirmed. `auto` (default): in a dialog when the app can show one, by the preview token otherwise. `token`: always by the token, for setups with nobody to answer a dialog (Claude Code run with `-p` closes every dialog unanswered). `dialog`: only in a dialog; apps that cannot show one are refused. |
| `DISCORD_MCP_UPDATE_CHECK` | Default on for an installed copy: once a day it asks the npm registry for the latest version number, and a newer one is mentioned once per session and in `run_setup_check`. Set `false` to never ask. A source checkout and the Docker image never ask. |
| `DISCORD_MCP_STRICT_PARAMS` | Default on: a tool that changes something refuses a parameter it does not have, or a key inside one, and a read-only tool says which it ignored. Set `false` only for a host that adds keys of its own to every call and is refused for it. |
| `DISCORD_MCP_ALLOW_PRIVATE_URLS` | Off by default: files, emoji, stickers, sounds, and avatars are fetched only from public addresses, never from this machine or its private network. Set `true` only if you serve your own files from a private address. |
| `DISCORD_MCP_GATEWAY` | Default on when a token is set: the bot shows as online and real time event subscriptions work. Set to `off` for REST only operation. |
| `DISCORD_MCP_HOME` | Optional. One directory to hold `.env`, `bots.json`, and saved data. When set, it is the only place the token is read from. Defaults to the package root for a source checkout, `.orygn/discord-mcp` in your user folder for an installed copy. |
| `DISCORD_MCP_DATA_DIR` | Where saved blueprints and scheduled messages live. Default: `.discord-mcp` next to `package.json` for a source checkout, `.orygn/discord-mcp` in your user folder for an installed copy. |
| `DISCORD_MCP_PORT` | HTTP port, default 3414. |
| `DISCORD_MCP_HTTP_HOST` | HTTP bind address, default `127.0.0.1`. |
| `DISCORD_MCP_HTTP_TOKEN` | Bearer token for HTTP mode. Required to bind beyond localhost. |
| `DISCORD_MCP_HTTP_ORIGINS` | Comma separated browser origins allowed to call the HTTP endpoint. Empty means none. |

Each setting was named `OMNICORD_*` before 2.0, and the old names still
work through all of 2.x. When both are set, the `DISCORD_MCP_*` name wins,
and the setup check points out any old names still in use.

Client config for stdio (Claude Desktop and compatible):

```json
{
  "mcpServers": {
    "discord-mcp": {
      "command": "node",
      "args": ["/absolute/path/to/dist/index.js"]
    }
  }
}
```

No token goes in the client config. The server finds `.env` and
`bots.json` no matter where the client spawns it from: in
`DISCORD_MCP_HOME` if that is set, and nowhere else then; otherwise in the
package root for a source checkout, or `.orygn/discord-mcp` in your user
folder for an installed copy. The folder the client starts it from is not
read. A real environment variable overrides the files.

## Documentation

| Doc | What is in it |
|---|---|
| [Getting started](docs/getting-started.md) | Setup in a few minutes, wizard or by hand. |
| [Multiple bots](docs/multi-bot.md) | Running several bots, one per server, from one install. |
| [Connecting AI clients](docs/clients.md) | Exact config for Claude Desktop, Claude Code, Cursor, Windsurf, ChatGPT, and anything else. |
| [Self-hosting](docs/self-hosting.md) | HTTP transport, Docker, and the security model for networked deployments. |
| [Troubleshooting](docs/troubleshooting.md) | Common problems and their fixes. |
| [Security whitepaper](docs/security-whitepaper.md) | Plain language: what discord-mcp can and cannot touch, for whoever decides whether to install it. |
| [SECURITY.md](SECURITY.md) | The engineering level threat model and audit findings. |
| [Tool catalog](docs/tool-catalog.md) | The full contract of all 164 tools. |

The docs are written to be read by AI assistants too: paste a page at
your AI and have it walk you through.

discord-mcp is also listed on the
[official MCP registry](https://registry.modelcontextprotocol.io),
[Smithery](https://smithery.ai/servers/orygn/omnicord), and
[Docker Hub](https://hub.docker.com/r/orygn/discord-mcp).

## Tests

```
node scripts/unit.mjs          # pure logic: resolver, permissions, planner, gate
node scripts/smoke.mjs         # stdio session on the 2025 protocol, plus the wizard; no token needed
node scripts/smoke-modern.mjs  # stdio session on the 2026-07-28 protocol; no token needed
node scripts/smoke-http.mjs    # HTTP transport on both protocols, auth, security gates
node scripts/acceptance.mjs    # live end-to-end against a disposable test server
```

The acceptance suite needs `DISCORD_MCP_HOME` pointing at a folder whose
`.env` holds a test bot's `DISCORD_TOKEN` and `DISCORD_MCP_GUILD`. It
refuses to run against any server not listed as disposable, and cleans up
after itself. `scripts/smoke-docker.mjs` builds and verifies the container
image and needs a running Docker daemon.

The unit and smoke suites need no Discord token, so you can watch the
confirmation gate block a destructive call, and then let it through only
with the token or a ticked box, before you trust this server with a bot of
your own.

## Contributing

Bug reports and pull requests are welcome.
[CONTRIBUTING.md](CONTRIBUTING.md) covers the layout, the test suites, the
conventions, and the one hard rule: any tool that deletes content, removes
access, punishes a member, or fans a change out across many entities must go
through the confirmation gate. The project follows the
[Contributor Covenant](CODE_OF_CONDUCT.md).

## License

discord-mcp is open source under the [Apache License 2.0](LICENSE).
Versions up to 1.4.1, published as Omnicord, were released under the
Elastic License 2.0 and stay under it.

## Versioning

Semantic versioning, tracked in [CHANGELOG.md](CHANGELOG.md). 1.0.0
marked the public launch; releases since follow semver, and the npm
badge above shows the current version. The version in `package.json`
flows everywhere automatically: the MCP server identity, the health
endpoint, and the wizard.

discord-mcp is an independent project and is not affiliated with,
endorsed by, or sponsored by Discord.

Built by [Orygn LLC](https://orygn.tech). Security reports:
security@orygn.tech.