MCP serverio.github.Argo-RPG-Platform/argo-mcp

Accept an incoming friend request from the given user.

Add a campaign to a guild. Any active member of the guild can do this; the calling user must be the campaign's GM (enforced server-side).

Send a user an assistant GM (co-GM) offer for a campaign. This does NOT add them immediately: the target must accept the offer before they become an assistant GM. Owner-only — the

Add a new event to the guild's shared calendar. Owner/Admin only. startDateTime / endDateTime are ISO-8601 (e.g. 2026-06-12T19:00:00).

Cancel a friend request you previously sent.

Create Archive mnemons (archived lore that is no longer current). Players may not call this — GM/co-GM only.

Create a new Argo campaign. The current user becomes GM and the calling token gains read+write access to the new campaign immediately (no re-consent needed). Requires the campaign.

Create custom-typed mnemons (any free-form entry that doesn't fit the other types). Players may not call this — GM/co-GM only.

Create Journal mnemons (log of in-world events). Players may not call this — GM/co-GM only.

Create Location mnemons (places — cities, dungeons, taverns). Use create_mnemon_relationship with PARENT_OF to nest larger places under one another after creation. Players may not

Create Lore mnemons (world background, factions' beliefs, history). Players may not call this — GM/co-GM only.

Create a relationship between two mnemon entries. The label decides everything: its kind (containment or association) and how it reads (one_way or mutual) belong to the word itself

Create NPC mnemons (FACTION or INDIVIDUAL). npcType is REQUIRED on each item. Use memberNpcEntryIds (on FACTIONs) and affiliationEntryIds (on INDIVIDUALs) to wire membership; the s

Create Player mnemons (party root, character notes, party notes). For playerKind=CHARACTER, supply parentEntryId (the PARTY mnemon), partyId (CampaignParty.id), and characterId (Se

Create Quest mnemons: a header (status, kind, playersCanTick, hook, and giverId / locationId / parentQuestId links) and a body of objectives (with sub-objectives), reward chips, a

Schedule a campaign session. Provide an ISO-8601 startAt; endAt is optional. Useful for laying out planned arcs or recurring play nights.

Create SessionSummary mnemons (structured summaries of game sessions). Players may not call this — GM/co-GM only.

Permanently delete a mnemon entry and every relationship that touches it. GM-only on the backend. This cannot be undone — confirm with the user before calling. entryId accepts a he

Delete a relationship by id.

Returns a catalog of all mnemon types, their type-specific fields, and the full valid relationship matrix (sourceType → label → targetType). Call this before create_mnemon or creat

Create a new forum topic (bug report, feature request, or general discussion). Always call forum_search first to check for duplicates. Call forum_list_categories to get the correct

Get the latest active topics across all forum categories.

Get the current user's forum notifications (replies, mentions, likes).

List topics created by the current user on the forum.

List all Discourse forum categories at community.argo.games. Call this first when the user wants to post a bug report or feature request — you need the categoryId to create a topic

List topics in a specific forum category. Provide categorySlug and/or categoryId — given only one, the other is resolved from the category list automatically. Use forum_list_catego

Read the full content of a forum topic including all posts and replies. Post bodies are returned as plain text (HTML markup is stripped).

Reply to an existing forum topic.

Search forum topics and posts. Supports Discourse search syntax: #category-slug to filter by category, @username to filter by author. Always search before creating a bug report or

Retrieve details of an Argo campaign (name, description, rule system, co-GMs).

Retrieve full details of a guild (members, campaigns, calendar metadata).

Get the full details of a specific mnemon entry (title, blocks, type properties). For a quest, `quest` holds its status, kind, playersCanTick, objectives and reward chips (with the

Get details of a single campaign session.

Invite a user to join the guild. Owner/Admin only.

List all Argo campaigns the current grant token has access to, including the access level ("read" or "read+write") for each. Call this first when the user has not provided a campai

List the assistant GMs (co-GMs) of a campaign.

List the current user's accepted friends.

List the members of a guild (id, role, status, invitedAt, joinedAt).

List the guilds the current user belongs to, with role (Owner/Admin/Member), member count, and campaign count. Requires the guild.read scope. Each entry includes both `name` and `g

List the relationships of a mnemon entry, split into outgoing edges, incoming edges, and a flat list of linked entries (entryId/title/type/relationshipTypes). Use this to find memb

List mnemon (lore/memory) entries for an Argo campaign. Optional filters: `title` (case-insensitive substring on entry title only) and `type` (e.g. NPC, Location, Quest). To find e

List incoming friend requests awaiting your response.

List outgoing friend requests that are still pending.

List campaign sessions for a given month (defaults to the current month).

Reject an incoming friend request from the given user.

Remove a co-GM from a campaign. Owner-only or self-removal.

Remove a member from the guild. Owner/Admin only.

Full-text search across mnemon titles, tags, and body content (case-insensitive substring). Prefer this over list_mnemons when looking for entries by what they contain — e.g. "what

Send a friend request to another Argo user.

Change a guild member's role to Owner, Admin, or Member. Owner/Admin only. Note that promoting another user to Owner transfers the guild — confirm with the user first.

Tick, fail or reopen one objective of a quest by its id (get_mnemon's quest.objectives[].id), at any depth, without rewriting the quest. A GM sets any state. A player may only tick

Update typed/meta fields of Archive mnemons.

Update a campaign's display name and/or description. Both fields optional — only supplied fields are changed; pass an empty string to clear the description. GMs and co-GMs can call

Update typed/meta fields of Custom-typed mnemons.

Update typed/meta fields of Journal mnemons.

Update typed/meta fields of Location mnemons.

Update typed/meta fields of Lore mnemons.

Edit the body content of one or more mnemon entries. Each item carries an entryId and an ordered list of ops (append, insertAfter, replace, remove) applied atomically per entry. Op

Update typed/meta fields of NPC mnemons (visibility, tags, npcType, faction membership, etc.). Does NOT modify content blocks — use update_mnemons_content for that. Set visibility=

Update typed/meta fields of Player mnemons.

Update Quest mnemons. A field left out is left as it is: status, kind, playersCanTick, hook, the giverId / locationId / parentQuestId links (an empty string removes one), and objec

Reschedule a campaign session or edit its title/description. All fields optional. Owner-only on the backend.

Update typed/meta fields of SessionSummary mnemons.