Discourse MCP server

What the model can do

A Discourse forum: latest topics, a topic's posts, search across the forum, categories, groups and member profiles. Can start topics, reply, send private messages, edit and delete posts, like posts, close, pin, archive, unlist, retitle, move and delete topics, invite a member to a topic, create and change categories, add and remove group members, and suspend, silence or deactivate users.

Reads

• discourse_list_topicsLatest topics on the forum: title, category, posts, replies, views, likes, created and last posted, last poster, tags, and whether closed or pinned.
• discourse_get_topicOne topic with its first posts (up to 20, oldest first): author, date, the text (cut short) and a link to each.
• discourse_searchSearch the forum.
• discourse_list_categoriesCategories and subcategories: id, name, slug, description, topic and post counts, and parent.
• discourse_get_userA member's public profile: name, title, trust level, whether admin or moderator, when they joined, last posted and last seen…
• discourse_list_groupsGroups on the forum: id (for the group-member tools), name, display name, member count, whether automatic (trust-level groups…

Acts, when you ask

These change something in Discourse. The model is told to use them only when you ask for exactly that, and each one is granted by name: per team on a shared connection, by the owner on a personal one.

• discourse_create_topicStart a new public topic, posted as the connection's user.
• discourse_replyReply in an existing topic, posted as the connection's user.
• discourse_send_private_messageSend a private message to named forum users or groups, from the connection's user.
• discourse_update_postReplace the text of a post.
• discourse_delete_postDelete a post.
• discourse_set_topic_statusChange one topic's status, visible to everyone who can see it: close (no new replies) or reopen…
• discourse_update_topicRetitle a topic and/or move it to another category, for everyone who can see it.
• discourse_delete_topicDelete a whole topic with all its posts: readers no longer see it.
• discourse_like_postLike a post as the connection's user.
• discourse_invite_to_topicInvite an existing forum member (by username) to a topic: they are notified, and e-mailed if they have that on.
• discourse_create_categoryCreate a category, optionally under a parent.
• discourse_update_categoryRename a category or change its colours, slug or parent.
• discourse_add_group_membersAdd named members to a group.
• discourse_remove_group_membersRemove named members from a group: they lose whatever the group gave them (private categories, messages, title).
• discourse_suspend_userSuspend a user (by id, from discourse_get_user) until a date: they are signed out and cannot sign in or post…
• discourse_silence_userSilence a user (by id) until a date: they can read and sign in but cannot post, message or react.
• discourse_deactivate_userDeactivate a user's account (by id): they cannot sign in until it is activated again by staff or by confirming their e-mail.

Connect it

First connect Discourse on Dashboard → Connections, then add Memtro to your client once. The Discourse tools appear alongside the tools of everything else you have connected; nothing is configured per connector.

claude plugin marketplace add memtro-org/claude-memtro
claude plugin install memtro@memtro --config api_key=sk-memtro-...

{
  "mcpServers": {
    "memtro": {
      "url": "https://platform.memtro.com/api/mcp",
      "headers": {
        "Authorization": "Bearer sk-memtro-..."
      }
    }
  }
}

{
  "mcp": {
    "memtro": {
      "type": "remote",
      "url": "https://platform.memtro.com/api/mcp",
      "headers": {
        "Authorization": "Bearer sk-memtro-..."
      }
    }
  }
}

Who may use it

The key identifies the person, and the server offers that person the tools they may use everywhere else in Memtro. A shared Discourse connection is used by the teams an administrator granted it to, tool by tool, on the Permissions page; a personal connection is used by its owner alone, and its tools that act stay off until the owner allows them. See Teams and permissions and Connectors.

Ask it like this

• › What are people asking about the new release this week?
• › Summarise the pricing feedback topic
• › Has anyone reported the export bug on the forum?
• › Which topics in Support have no replies yet?
• › Reply to the export bug topic saying a fix is planned for next week

Questions

Is this an official Discourse MCP server?

No. It is Memtro's MCP server with Memtro's Discourse connector behind it: the connector reads Discourse through its API with the credentials you connect on Dashboard → Connections, and Discourse publishes nothing here. The same endpoint carries every other system you connect and Memtro's memory tools.

What does it cost?

Nothing on top of Memtro. One price per organisation by its number of users, from $50 a month for up to 10 users after a 7-day free trial, with every connector, the MCP server, jobs and memory included. You bring your own model keys.

Can it change anything in Discourse?

Only when you ask, and only what it has been granted: start a new topic in Discourse (watchers of the category are notified); reply to a Discourse topic (people watching the topic or mentioned are notified); send a Discourse private message (the recipients are notified, and emailed if they have that on); edit a Discourse post (replaces its text; the previous version stays in the post's revision history); delete a Discourse post (deleting a topic's first post deletes the topic; staff can restore it unless destroyed permanently); close, open, pin, unpin, archive, unarchive, list or unlist a Discourse topic; retitle a Discourse topic or move it to another category; delete a Discourse topic (staff can restore it); like a Discourse post (the author is notified); invite a forum member to a Discourse topic (they are notified); create a Discourse category (open to everyone); rename or recolour a Discourse category; add members to a Discourse group (changes what they can see and do); remove members from a Discourse group; suspend a Discourse user until a date (they cannot sign in); silence a Discourse user until a date (they cannot post); deactivate a Discourse user's account. Every other tool reads, searches or lists. An administrator grants each acting tool by name per team, and a personal connection acts only after its owner allows it.

Which clients work?

Any MCP client that speaks Streamable HTTP: Claude Code, Cursor, Claude Desktop, OpenCode, Codex, Zed, Windsurf, Cline and the Anthropic and OpenAI SDKs. There is no local process to run; the server is remote and authenticated with your key.

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