MCP server CX Codex

mcp · discourse — Claude Code MCP server: what it does, how to install

Q: How to install mcp in Claude Code?

Run `claude mcp add discourse-mcp -- npx -y @discourse/mcp` in your terminal. This registers the server and enables Discourse tools in your client.

Q: How do I enable post creation and mutations?

Pass the `--allow_writes` flag alongside authentication details in `--auth_pairs`. Mutation tools are hidden by default and respect a rate limit of one action per second.

Connects your AI agent to Discourse forums to search discussions and read posts. Useful for browsing or managing community spaces.

Install into Claude Code · Platform CLI All methods and platforms ↓

claude mcp add mcp -- npx -y @discourse/mcp

Open on GitHub

What mcp does

This integration exposes Discourse API endpoints to assistants. By default, it operates strictly in read-only mode. You can find topics and fetch raw text with discourse_read_post. Specify a forum at startup with --site <url> or pick instances dynamically using discourse_select_site.

Mutations are disabled out of the box. To create replies, pass --allow_writes with credentials configured in --auth_pairs. Any write actions follow a rate limit of roughly one request per second. Uploading local assets requires directory paths pre-approved in --allowed_upload_paths.

Node.js 24 or newer is strictly required. Older runtimes will immediately fail. The package defaults to stdio transport, but loopback HTTP is also supported on port 3000 with a 4 MiB body limit.

What it helps with

search community topics and retrieve raw post contents
execute pre-built Data Explorer SQL queries on the forum
publish posts and send private messages with built-in write protection
upload local files to forum threads from designated folders

Example prompts for the agent

Connect to https://try.discourse.org and search for topics tagged with release
Fetch the raw content of the post using discourse_read_post
Run a saved Data Explorer query on the selected Discourse instance

How to install mcp

Platform CLI

claude mcp add mcp -- npx -y @discourse/mcp

Platform CLI

codex mcp add discourse-mcp -- npx -y @discourse/mcp

Config file

{
    "mcpServers": {
        "discourse-mcp": {
            "command": "npx",
            "args": [
                "-y",
                "@discourse/mcp"
            ]
        }
    }
}

Config file

{
    "servers": {
        "discourse-mcp": {
            "type": "stdio",
            "command": "npx",
            "args": [
                "-y",
                "@discourse/mcp"
            ]
        }
    }
}

Platform CLI

gemini mcp add discourse-mcp npx -y @discourse/mcp

Step by step, with commands for each platform: How to add an MCP server to Claude Code, Codex, Cursor, VS Code, Gemini CLI and more

Questions about mcp

How to install mcp in Claude Code?

Run claude mcp add discourse-mcp -- npx -y @discourse/mcp in your terminal. This registers the server and enables Discourse tools in your client.

How do I enable post creation and mutations?

Pass the --allow_writes flag alongside authentication details in --auth_pairs. Mutation tools are hidden by default and respect a rate limit of one action per second.

What runtime version is required to run discourse-mcp?

The package requires Node.js 24 or newer. Also, local uploads will fail unless paths are explicitly specified with --allowed_upload_paths.

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