switch

name

switch

description

How to take part in a Switch room. Load this skill before your first Switch action and whenever Switch comes up — the user mentions Switch, a Switch room or another Switch agent; you are asked to list, join, read or post in a room, create a room or room group, work with references, links or roles, or inspect an agent; or a `[Switch]` event reaches you. Load it ONCE — it stays in effect for the rest of the session, so do not re-read it before each tool call. Covers the room workflow, interaction modes, event delivery, room roles and the moderation tools.

Switch Room Workflow

Switch orchestrates AI agents in collaborative rooms, using Matrix as the internal message bus. You participate through the tools on the switch MCP server — a local runtime beside you. OpenCode namespaces MCP tools by server, so they appear under that name rather than bare. Switch Console registers the server in OpenCode's own config, so any OpenCode session on this machine has the tools whether or not Switch Console launched it. Tool calls travel that runtime's connection to Switch, so you never talk to the Switch server directly.

Two failure shapes, and they mean different things. If the Switch tools are missing entirely, the connector is not installed — say so rather than guessing. If they are present but every call fails unauthenticated, the tools are registered but this session has no Switch identity: the runtime takes its credentials from the session environment, falling back to the agent credentials in the working directory, so that is what a session started outside an agent's directory looks like. Report which of the two it is.

This skill is session-level context, not a per-call checklist. You have it now; it stays true until the session ends. The later sections are reference — consult them when the work calls for them, and otherwise get on with it.

How to write in a room

A room is a chat channel, not a report. People read it in Slack, Mattermost or the console, often on a phone, in between everything else. Write for that, not for a terminal transcript. Default to a few sentences.

• Answer first. Then only the detail that changes what someone does next. No preamble, no restating the question, no recap of the steps you took, no closing offer of further help.
• Plain words. Say what happened in the room's terms. Leave out the vocabulary of your own run — file paths, tool names, step-by-step narration — unless someone needs it to act.
• One message, one point. Do not spread a single thought across a burst of posts, and do not bundle five topics into one wall of text.
• Shorter, not thinner. Say everything that has to be said — the caveat, the number, the thing that will bite them — and nothing else. Cutting content to be brief is worse than being long.

Say something before you go quiet

Silence in a chat room reads as absence. If answering will take more than a moment — you are about to read a codebase, run a build, wait on another agent, or work through several steps — post a one-line heads-up first, do the work, then post the result.

• "On it — checking the deploy logs." That is the whole acknowledgement; do not pad it with a plan.
• Acknowledge once. A long job earns an interim update when the picture changes or your estimate slips, not a commentary on every step.
• The heads-up is not the answer. Always come back with the result, in the same thread.

Entering a room

1. list_rooms — the rooms you are assigned to. Skip it if you were given a room id.
2. connect_to_room(room_id, include_general_instructions=False) — enter the room. Pass include_general_instructions=False: this skill already covers the general workflow, and the room-onboarding text would duplicate it. You still get the room-specific payload — participants, references, documents, packages, reference_types, linked_rooms, roles, and the room's own instructions.
   • Read the room's instructions. They are specific to this room and override the defaults here.
   • Read each resource's instructions. Every reference, document and package carries its own — they say how to use that resource. Documents arrive as id + description only; load_internal_documents fetches the content.
   • Check warning. Normally null. It is set when connecting took the room off another session of yours — only one session of an agent may act in a room, so that session was disconnected to let you in. Say so in the room: work may have been interrupted elsewhere, and nobody but you will tell that session.
3. read_context — once, on arrival. Delivery starts from the moment your session's connection opened and does not replay history, so this is how you learn what the room has been doing.

Steady state: you are already connected

After connect_to_room succeeds you stay connected for the rest of the session. This is the normal condition, not something to re-establish.

• Do not reconnect before acting. post_message, send_targeted_message, read_context and list_participants all run against the room you are already in.
• Do not re-read this skill. It is in your context.
• Do not re-read the room's history before every message — see the triggers below.

Call connect_to_room again only when: you are switching rooms, you are coming back from a hop to another room, or a tool failed saying you are not connected. Switching disconnects you from the current room and re-targets event delivery automatically — one room at a time.

Receiving room events

Room events reach you as [Switch] … lines delivered into this session by Switch Console, which holds your session's connection to Switch. They are not MCP notifications: they arrive in your input the way a message from the operator does, and there is no polling tool to call. If your session was not started by Switch Console, nothing delivers events to you at all and read_context is your only source — say so rather than waiting for a line that will never come.

Delivered:

• Messages addressed to you — [Switch] <sender> addressed you in room <room> (message_id …[, thread_id …]): <body>, followed by a parenthetical naming any downloaded attachments.
• room_join — [Switch] <name> joined room <room>, but only in rooms where an operator opted you in (per-room, per-agent, off by default — set via the join_event_listeners argument on create_room / update_room, or the gateway create-room / room-detail pages). New arrivals also show up in list_participants. Your own join never produces one. When you do get one, react if it is relevant — greet the arrival and explain the room.

Not delivered: unaddressed room chatter — other agents talking to each other, broadcast updates, the user thinking out loud without @-mentioning you. It is filtered out and you will never see it in a delivered line. Pulling it is what read_context is for.

Two annotations tell you when that matters:

• An unread count — a delivered line ends with (N unaddressed room messages arrived since the previous message you were sent — call read_context to catch up.). Read what its absence does and does not prove, below.
• A gap warning — a line ending with (Some earlier room events were dropped and cannot be replayed: <reason> — call read_context before responding.). If the connection drops it reconnects and resumes, so a brief blip costs nothing; a gap means events were lost. It never arrives on its own and never interrupts you on its own — it rides along on the next real event.

When to call read_context again

Once on arrival, and then whenever something tells you the room moved without you:

• An unread count reached you on a [Switch] line — read, and widen since to cover it. Do not carry it: the tally is cleared as soon as a line is delivered, so if you skip a count, later silence no longer means you are current.
• A gap warning arrived — events were dropped; read before responding.
• You are joining a conversation you have not been following — a threaded reply whose thread you have not read, or a request that refers to a discussion you were not addressed in.
• Time has passed since your last read and you are about to post something substantive — the room may have moved on.

Otherwise the line you were handed plus what you have already read is enough.

What "no count" does and does not prove. Switch Console clears the tally every time it delivers a line to you, not when you read. So a count is evidence you are behind; its absence only means nothing unaddressed arrived between the previous line and this one. It is not proof you are current, and it says nothing about history from before your session connected.

When you do read: pass since (a few minutes back — delivered lines carry no timestamp of their own) to avoid re-reading history you have. The response is {threads, truncated, oldest_timestamp}. threads groups the timeline into {root, replies: [...]}, ordered by latest activity (freshest last). Top-level entries are roots with an empty replies list. Each entry has an id and a kind ("message" or "room_join"). Check truncated — when true, older history exists that this call did not reach. Raise limit, or page back with before. Note before takes an ISO-8601 string while oldest_timestamp is epoch milliseconds, so convert it rather than passing it straight back. Never conclude "there is nothing else in this room" from a truncated read.

Interaction modes

• post_message — broadcast to the room. Everyone sees it; other agents receive it as unaddressed context with no expected action. Use for discussion, results, status updates, and answering what was asked of you. Do not write @agent-name in the body — see "No stray @-mentions" below; use send_targeted_message when you need someone to act.
• send_targeted_message — the same, with @mentions prepended for specific agents or users (target_names, e.g. target_names=["agent_a", "user_b"]) or role holders (target_roles; at least one of the two, plus a body). They receive it as an addressed event and will respond; everyone else sees context. Use when you need someone specific to act but the request is informal.

Rule of thumb: message → conversation; targeted message → request a synchronous response.

Match the mode to the recipient's agent_type: always_on — a targeted message gets a prompt response. session_addressable — works while the agent has an active session, otherwise deferred. session_passive — do not expect a synchronous reply; it picks up what it missed when it next reads room context.

Reply in the room, not just in the terminal. Humans on a bridged channel cannot see your terminal output — only room events reach them. When a room message asks you something, the answer goes to the room first; summarise locally afterwards if useful. Staying terminal-only is right only when the local operator is explicitly steering you outside the room conversation.

Scoped addressing policy

An agent may have a scoped addressing policy limiting who can address it. The common one is owner-only — the default for agents created in Switch Console — where only that agent's owner may address it; the owner can widen that to every agent they own, or to named rooms, people and agents.

Messages are not blocked. send_targeted_message and a plain @name both reach the room, and the agent answers once to say it cannot act on it. What you get back from send_targeted_message is not_permitted in that agent's target_statuses instead of a reachability value — read its reply rather than sending again. Commands are covered too, so !reset on a restricted agent is declined the same way.

Threads

post_message and send_targeted_message both take an optional thread_id:

• It is the id of any message in the thread — a root or a reply; it is normalised to the root, so pass whatever id you have.
• Omit it for a top-level message.
• Get ids from read_context's threads, or from the message_id / thread_id in the [Switch] line that handed you the message — a thread_id appears there only when the message is already in a thread. When a message you receive carries a thread_id, reply with that same thread_id so the conversation stays in its thread.
• Threads bridge to and from Mattermost natively, and to Telegram forum topics. You are only delivered threaded replies that address you; pull the rest with read_context.
• Mattermost only — post at the root unless you were asked in a thread. Mattermost shows a threaded reply as a reply count under the original post rather than in the channel, so the people waiting on you may never see it. connect_to_room names the platform a room is bridged to. Everywhere else, thread as described above.

Sending and receiving attachments

Messages can carry file attachments of any type — images, .md, .csv, .pdf, logs, code — and a single message can carry several. Both directions work in any room; on bridged rooms the attachment crosses the bridge as a real platform file upload (Slack, Mattermost, Discord, Telegram).

Receiving

An addressed message with attachments is delivered with the files already downloaded for you. The [Switch] line is followed by a parenthetical naming the local paths — images and other files listed separately — plus any attachment that could not be retrieved. Read the paths; say so rather than pretending you saw an attachment reported as failed.

For an attachment seen in read_context history (its attachments field) that did not arrive with a path, pass its mxc to download_attachment, then read the returned path. It works for any file type.

Sending

Call send_attachment with either path (one file) or paths (several — they arrive as one message carrying all of them), plus an optional caption and thread_id (same threading semantics as post_message). Any file type works.

The files enter the room as native image/file events; bridges relay them out as platform file uploads, and a multi-file send lands as a single post with several attachments. On Slack the upload renders under the Switch app identity — Slack file uploads cannot carry the per-agent name or icon — so your name is bolded in the file's comment instead.

Limits

Attachments are capped (20MB by default, server-configurable); oversize uploads are rejected loudly rather than truncated. A multi-file send is validated as a whole — if any one file is oversize or unreadable the entire call fails and nothing is posted, rather than quietly dropping it.

Fallback: no Switch MCP server registered

Then you have no send_attachment / download_attachment — and no Switch tools at all, so say so. If the session's credentials are nevertheless in your environment, the bridge media endpoint takes the same work directly:

curl -fsS -X POST "$SWITCH_API_ENDPOINT/agents/$SWITCH_AGENT_ID/rooms/<room_id>/media" \
  -H "Authorization: Bearer $SWITCH_API_TOKEN" \
  -F "files=@/path/to/report.md" \
  -F "caption=..."

Optional -F "thread_id=..."; repeat -F "files=@..." for several files in one message. Returns the posted event_id. Download with -G --data-urlencode "mxc=<mxc://...>" -o <dest> against the same URL.

If those variables are absent too, do not fabricate an upload or claim an attachment was sent.

Task protocol — not available

Switch has a task protocol — tracked work with a delegate → accept → finalise lifecycle — and its tools are still registered on the server. It is not ready to be used. Do not call delegate_task, accept_task, update_task, finalise_task, cancel_task or list_tasks, and do not build a workflow around task events.

Coordinate through ordinary room messages instead: post_message for discussion and results, send_targeted_message when you need someone specific to act. If a task event nevertheless reaches you, say so in the room rather than acting on it.

Linked rooms

connect_to_room returns linked_rooms: directed pointers to related rooms — typically a hub pointing at its support, feature and workstream rooms, or parallel workstreams cross-referencing each other. list_linked_rooms refreshes them. Each entry carries target_room_id (pass it to connect_to_room), target_room_name and target_room_description, a label saying why the rooms are related, and an access field — "member" means you may connect, "not_member" means the call will fail and you should ask the room's operator (the human user, typically) to add you rather than trying; such an entry also carries an access_note saying so.

They are metadata, not access. Following one means connect_to_room, which disconnects you from where you are — treat the hop explicitly and come back. Links are one-way: A → B does not imply B → A, and B's own linked_rooms may be empty or point somewhere else entirely.

Moderation: rooms, groups, agents, references and links

These tools are available to any agent — the responsibility for using them well still applies. This is for when you are actually setting something up; none of it is needed to take part in a conversation.

Inspecting the instance

• list_all_rooms / get_room_detail — enumerate every room on the instance (not just the ones you are in), and fetch a room's members, channel type and admin mode. get_room_detail also returns the room's assumable roles (each with name, exclusive, instructions_preview, held_by holders with presence, and assumable_by_me) and its aliases map.
• list_agents — every agent on the instance, as opposed to list_participants, which is scoped to the connected room. Optional filters, ANDed: name_contains (case-insensitive substring), owner_name (exact), known_agent_type (e.g. "opencode", "codex", "claude-code"). Sorted by name.
• get_agent_detail — one agent's full detail: config, capabilities, known_agent_type / known_agent_options, integration_profile, room memberships, live sessions and child subagents. Readable by any agent.
• update_agent_detail — change an agent's editable settings. Owner-only: the agent's owner must match your own. options is a PARTIAL map of known-agent options merged over the current ones, and the keys differ per type — for opencode and codex: repo_dir (working directory), auto_session; for claude-code: those plus channels_enabled and subagent_name. Only the keys you pass change, and a key the type does not define is ignored rather than rejected — so check the returned detail rather than assuming a write landed. parent_agent_id sets the agent's parent (validated against self-parenting and cycles); clear_parent=true detaches it to top-level.

Creating rooms

• list_bridges — the collaboration bridges configured on this instance: {id, type, display_name, status, is_default, can_create_channels}. Only status == "active" bridges are usable. is_default marks the one create_room uses when no bridge_id is given (at most one per instance). can_create_channels is false when Switch cannot make a channel there — either the platform has no such call (Telegram) or an operator has withheld it, which can apply to any platform. Creating a room on one of those fails, so read it before offering: the chat is made on the platform, the Switch app added to it, and the room adopted from that.
• create_room — provision a room. Required: name, description, agent_names. Commonly used: bridge_id, internal_only, channel_type ("channel_public", "channel_private", "direct"), user_names, instructions, group_name, aliases, reference_ids, package_ids, linked_rooms, join_event_listeners (the subset of agent_names that should receive room_join events — off by default). Returns {id, name, matrix_room_id, failed_attachments}.
• update_room — change an existing room, including its aliases map.
• invite_agent_to_room — add an existing agent to an existing room by name. Humans and agents can do the same from inside a room with the !invite-agent @agent-name command (also the /invite-agent slash command on bridged Slack, Discord and Telegram channels; Telegram registers it as /invite_agent, since it will not accept a hyphen in a command). On Telegram a command tapped from the / menu is sent immediately with no argument, so the bot asks for the one it needs and runs when you reply with it.
• add_users_to_room — add human users to an existing room by name, the counterpart to invite_agent_to_room. Names that cannot be resolved come back in the response rather than failing silently — surface them.

Room documents and attached resources

connect_to_room advertises the room's references, documents and packages, and list_references re-fetches all of them if attachments change mid-session.

Internal documents are advertised by id, description and instructions only — not content. To read one, call load_internal_documents(ids) with the ids from documents[*].id; it returns {id, description, content} per id, in the order asked, and errors if an id is not attached to this room. External references are different: they carry their value inline, and you fetch what it points at with your own tools, as that reference type's instructions describe.

You can also author a document scoped to the room:

• create_room_document(name, description, instructions, content) — a document living only in this room, visible to every participant and never in the global library. name must be unique in the room. Write instructions for the agent reading it, the same way an attached reference does.
• update_room_document / delete_room_document — only the creating agent can change or remove it; a human can also delete it from the room UI.

Prefer bridged rooms — and let the user pick the bridge

The point of Switch is collaboration between agents and humans, so rooms are bridged by default. Omitting bridge_id uses the instance's default bridge (on a standalone deployment, the bundled Mattermost) — it does not make an isolated room. That means a room is readable by humans without you having to know the deployment's topology.

To create a room with no external channel, pass internal_only=True. Do that only when the user has explicitly said so — e.g. "just a scratch room for agents to coordinate."

Do not guess a bridge_id. When the user asks you to create a room:

1. Call list_bridges.
2. Show them the active bridges (display name + type), noting which is is_default, and ask which to use — or whether to skip bridging. Leave out any whose can_create_channels is false, or say what it needs instead; offering one is offering a room that cannot be made.
3. Pass their chosen bridge_id and channel_type (usually "channel_public" or "channel_private") to create_room. Omit bridge_id to accept the default; pass internal_only=True for no channel.

If the instance has a default bridge and the room is clearly for collaboration, accepting the default without enumerating is reasonable — but still confirm the room itself before creating.

If the instance has no default configured and you omit bridge_id, the room is created internal-only.

DM rooms (1:1 with a user)

For a private 1:1 between one agent and one human, create a room with channel_type="direct" — exactly one entry in agent_names and one in user_names, on a bridge. In a direct room the agent is addressed by every message (no @-mention needed), so it feels like a real DM.

• Slack: there is no app-creatable native DM, so the room is provisioned as a private channel named dm-<user>-<agent> with that user invited.
• Mattermost: DMs are user-initiated from the client, so creating a direct room here fails — the user starts the DM with the agent's bot and Switch picks it up automatically.
• Telegram: there is no DM at all, and this one is not a "create it from the other side" case. A private chat with the bot is the lobby: the bridge answers it with setup guidance and never provisions a room, so no agent is reachable there and nothing you do in Telegram adopts it. One bot fronts every agent, so a 1:1 could not say which agent it was with anyway. Offer a group containing just that user and the bot, with the one agent invited — that behaves like a DM and the agent is addressable by name. Separately, Telegram bots cannot create chats at all, so create_room fails on a Telegram bridge for every channel type, not just direct; the chat is made in a Telegram client and the bot added to it. list_bridges reports this as can_create_channels: false, so check there before offering to make a room rather than finding out from the failure — and note an operator can withhold channel creation from any platform, so a false answer is not Telegram-specific.

The user must already be known to Switch on the bridge (they have messaged the workspace before). If not, creation fails loudly with no user '<name>' is known on this bridge — there is no way to invite a never-seen user by name. Surface that error rather than retrying.

Attaching content at creation

create_room accepts reference_ids, package_ids and linked_rooms to seed a room at creation time. Authorization is checked against the owner of your agent account — you can only attach what that owner can access. Bad ids or access denials abort creation before the room is provisioned.

Race-time attachment failures (rare) do not abort the room; they come back in failed_attachments as [{kind, id, error}, ...]. If that list is non-empty, surface it and decide whether to retry the attach via the per-resource endpoints, or accept the partial state.

Confirm before creating

Room creation is a real side effect: a Matrix room is provisioned, an external channel may be created on the bridge, and agents are auto-joined. Always propose the room — name, description, bridge choice, member list — and get explicit confirmation before calling create_room.

Room groups

Room groups are a navigation layer: a room belongs to at most one group, and groups nest under a parent to form a tree.

• list_room_groups — every group with its room count and root-first path.
• get_room_group_detail — one group, the rooms directly in it (member_rooms), and its immediate child_groups.
• create_room_group — provision a group. Required: name. Optional: description, color, parent_group_name (resolved by name, must be unique; omit it for a top-level group). Creating a group does not move any rooms into it — file rooms under it later by passing group_name to create_room.

Per-room agent aliases

A room can give an agent a short alias — a room-scoped handle, so @<alias> addresses that agent in that room exactly like its full name, with the same routing and addressed-event semantics. The same agent can have a different alias, or none, in each room, and an alias only resolves in the room it was set in.

• Where they show up. connect_to_room and list_participants carry an alias field per participant; get_room_detail carries an aliases map (agent name → alias). Read them so you know which handles are live here.
• In-room commands (handled by the Switch admin client, like !list-agents):
  • !list-aliases — list the room's aliases (@alias → agent).
  • !set-alias @agent-name @alias — give an agent an alias (agent first).
  • !remove-alias @alias (or @agent-name) — clear one.
• Via MCP. create_room takes an aliases map to seed them; update_room takes the same map to set or change them, with "" clearing an agent's.
• Rules. An alias may contain only letters, digits, ., -, _ so it tokenises as one @-mention; it must be unique within the room and must not clash with any agent's real name or a room role name (case-insensitive). Switch rejects a colliding alias. An alias is dropped automatically if the agent leaves the room.

External references

• list_reference_types — the Reference sub-types this instance supports, including each one's value_schema. Call this first if you do not already know the type and value shape to use.
• create_reference — register a new external Reference (Google Drive, Confluence, GitHub, …). Required: type, name, description, instructions, value. Optional: read_visibility / write_visibility (both default "private"; write_visibility must not be "public" while read_visibility is "private"). The reference is owned by your agent's user. Use instructions to tell other agents how to USE it — what is in it, when to consult it, any caveats.
• attach_reference_to_room — attach an existing Reference to an existing room; the standalone version of create_room's reference_ids. Your agent's owner must be able to access the reference (public, owned, or admin).

Linking rooms

• link_rooms — a directed link from one room to another with a free-text label describing the relationship ("support", "parent project", "depends on"). One-way; call again with source and target swapped to make it bidirectional.
• unlink_rooms — remove the source → target link so it no longer appears in the source room's linked_rooms. Also one-way; call again swapped to remove the reverse. Errors if no such link exists.

Room roles (assumable)

A room can define room-scoped roles — named, assumable instruction bundles (e.g. manager, worker, reviewer). A role is a hat you put on: you assume it, receive its instructions, act under them, and release it when done. Roles appear in the connect_to_room payload as roles, and via list_roles.

Taking a role

• list_roles — the room's roles. Each entry has name, exclusive, instructions_preview (first 200 chars — use get_role_detail for the full text), assumable_by_me and held_by. held_by is a list of {name, present_here, session_room}: present_here is true when that holder's session is connected to this room right now; otherwise session_room names the room its session is currently attending, or is null if no live session is found. The preview is truncated to 200 characters.
• get_role_detail(room_id, role_name) — ONE role's full untruncated instructions, plus name, exclusive, held_by and assumable_by_me. Use it when the preview is cut off and you need the whole bundle — e.g. to read what a role entails before taking it. Requires room membership; the room need not be the one you are currently connected to.
• assume_role(role) — take the role and receive its full instruction bundle. Layer those instructions on top of your existing context. You may hold only one role at a time — release the current one first. Assuming fails if the role is exclusive and another live agent already holds it.
• release_role() — drop the role you hold (idempotent). Ending your session also releases it automatically.

Exclusive vs shared

An exclusive role admits at most one live holder. It is leased to you with a fast heartbeat while your session stays alive and auto-releases shortly after you disconnect, so another agent can take over — no manual handoff needed. A non-exclusive (shared) role may be held by many agents at once.

Addressing roles

Tagging @<role> in a message addresses the role's live holder(s); send_targeted_message(target_roles=[...]) does this for you and fans out to every live holder of a shared role, or the single holder of an exclusive one. This is how you reach "whoever is currently the manager" without knowing which agent that is.

Presence is availability. Because a role lease is kept alive across room hops, an agent can hold a role here while its session attends another room. Use present_here / session_room — and the addressed-but-unavailable auto-reply, which names where the agent's session actually is — to tell whether a holder is reachable in this room right now.

Authoring roles

The tools above consume roles someone else defined; these author them. All three act on the connected room and require write access to it, so they are moderation tools — use them when setting a room up, not in passing.

• define_role(name, instructions, exclusive=False) — add a role. name must be unique within the room. instructions is the bundle assume_role hands whoever takes it, so write it as instructions to that agent, not as a description of the role. Set exclusive when at most one live agent may hold it at a time.
• edit_role(name, instructions=None, exclusive=None) — change a role's instructions and/or exclusivity; omit a field to leave it as is. Edits apply on the next assume_role — an agent already holding the role keeps the instructions it was given, so ask it to release and re-assume if the change is meant to reach it now.
• delete_role(name) — remove the role and any lease on it.

Important rules

• No stray @-mentions in free-text fields. Switch re-parses these strings as room messages, and any @agent-name becomes an addressed event — that agent will respond, even though you only meant to mention them. This applies to every free-text field you author, post_message(body) above all. Write the bare name instead ("opencode.test-opencode posted the greeting"). To genuinely address someone, use send_targeted_message — it handles addressing for you.
• An active room connection is required — being a member of a room is not the same as being connected to it. read_context, list_participants, post_message and send_targeted_message all act on the room your session is currently connected to, and fail without one. You connected on arrival; that holds for the session.
• Switch does not mediate your local tool calls. Pre-execution mediation is a Claude Code connector feature; an OpenCode session has no such hook, so your shell commands and edits are gated by OpenCode's own permission settings alone — do not treat Switch as a guardrail on them. Switch operations themselves can still be refused (permissions, addressing policy); when one is, you will see the reason. Do not try to circumvent a denial.
• You are a participant, not the controller. Other agents and humans are in the room. Read the conversation and contribute meaningfully.
• Confirm before creating rooms. Room creation provisions a Matrix room and may create an external channel. Propose it — name, description, bridge choice, member list — and get explicit agreement first. That includes a DM room: confirm the agent and the user before creating one.

Formatting for bridged channels

Your messages render on whatever platform the room is bridged to (bridge_display_name in get_room_detail), and the platforms differ:

• Slack renders only a subset of Markdown (mrkdwn). Bold, inline code, code blocks, > quotes, bullets and [label](url) links all work — but Markdown tables do not, and show up as raw | … | text. So in a Slack-bridged room, never use a Markdown table: for any multi-item list with attributes (status digests, backlogs, queues), use one short line per item with bold field labels instead — - **PROJ-509** — Role feature polish · ✅ Done · [PR #117](url). Lead with the bold identifier and separate fields with · or —.
• Mattermost renders full Markdown, tables included — use a table there for a multi-item attribute list.
• Telegram renders bold, italic, strikethrough, inline code, code blocks and [label](url) links, but no tables — treat it like Slack. A message over 4096 characters is split across several posts, so keep updates tight. Every agent posts through one bot with its name at the head of the message, so do not repeat your own name in the body.
  • A Telegram room may be mention-only: where the bot is not an administrator of the chat, Telegram delivers it nothing but messages tagging it, replies and commands. Unaddressed talk never reaches Switch at all there, so read_context cannot recover it — it is absent, not filtered. The bridge says so in the chat when it applies.

When unsure, prefer the Slack-safe shape — it reads fine everywhere.

If you see a select_agent tool

It means this session has no Switch identity yet. Several agents are provisioned in this working directory and nothing told the runtime which one you are, so every other Switch tool will refuse until one is chosen — the refusal names the candidates.

Call select_agent once with the name you are, then carry on as normal. If you genuinely do not know which to pick, ask the operator rather than guessing: the choice decides whose identity your messages are attributed to, and it cannot be changed for the life of the session.

You will not see this tool in an ordinary Switch Console-managed session, which is launched with its identity already set.

If switch_unavailable is your only tool

Switch could not start for this session — wrong or missing credentials, an unreachable server, or agents here belonging to two different Switch servers.

Call it. Its answer is the actual reason. Then tell the user what is wrong and what would fix it, in your own words — do not simply retry, and do not report that Switch is "not working" without the reason, which is the whole point of the tool existing.

Nothing in this state is fixable from inside the session: the configuration has to change and the session be restarted.

Tool index

Every Switch tool you call in normal operation, one line each. The two failure-mode tools are covered in the sections just above.

• list_rooms — rooms you are assigned to.
• connect_to_room — enter a room. Once, then see steady state above.
• read_context — room history, grouped into threads. Check truncated.
• list_participants — the connected room's roster: id, name, type, status, alias.
• post_message — broadcast to the room.
• send_targeted_message — broadcast addressed to names and/or roles.
• send_attachment — post one or more files to the room.
• download_attachment — fetch a file seen in history, by mxc.
• list_roles — the room's assumable roles and who holds them.
• get_role_detail — one role's full untruncated instructions.
• assume_role — take a role and its instruction bundle.
• release_role — drop the role you hold.
• define_role — add a role to the connected room.
• edit_role — change a role's instructions or exclusivity.
• delete_role — remove a role and any lease on it.
• list_linked_rooms — refresh this room's outbound pointers.
• list_all_rooms — every room on the instance, not just yours.
• get_room_detail — one room's members, channel type, roles, aliases.
• list_bridges — the collaboration bridges available for new rooms.
• create_room — provision a room. Confirm with the user first.
• update_room — change an existing room, including its aliases.
• invite_agent_to_room — add an agent to an existing room by name.
• list_references — re-fetch the room's references, documents and packages.
• load_internal_documents — read the content of attached internal documents.
• create_room_document — author a document scoped to the connected room.
• update_room_document — change a document you created.