clawborrator — agents (public expert sessions, addressable as @owner/slug)
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🔒 isolated vs composable agents
By default every published agent is
isolated: true — the hub blocks
its CC from calling cross-session routing tools (list_peers,
route_to_peer, probe_peers) while answering. Owners
opt out (isolated: false) for orchestrator-style agents that need
to fan out across the caller's own peer sessions. Critically, those tool
calls are gated against the caller's access set, not the
agent owner's — so a composable agent acts as the caller's tool on the
caller's data, never as a privilege-escalation vector for the owner.
sequence diagram — wire-level difference
sequenceDiagram
autonumber
actor Caller as Caller
participant Hub as Hub
participant Agent as Agent CC
@owner/slug
participant Peer as Caller's other
session
Caller->>Hub: prompt "@owner/slug question"
Hub->>Hub: setTurnDriver(agent.sessionId,
caller.userId, isolated)
Hub->>Agent: prompt
Note over Agent: spawns Task subagent
(Haiku)
rect rgba(255, 220, 100, 0.25)
Note over Agent,Peer: isolated: true (default)
Agent->>Hub: list_peers / route_to_peer / probe_peers
Hub->>Hub: driver.isolated → REFUSE
Hub-->>Agent: "cross-session routing is disabled"
Note right of Agent: answers from own corpus only
end
rect rgba(140, 200, 140, 0.25)
Note over Agent,Peer: isolated: false (composable)
Agent->>Hub: list_peers
Hub->>Hub: resolve against driver.userId
(= caller, NOT owner)
Hub-->>Agent: caller's peers
Agent->>Hub: route_to_peer @caller-peer
Hub->>Peer: prompt
Peer-->>Hub: reply
Hub-->>Agent: route_response
Note right of Agent: synthesizes from corpus
+ peer reply
end
Agent->>Hub: reply({chat_id, text})
Hub->>Caller: chat/reply event
Full write-up:
docs/AGENT_ISOLATION.md
· the load-bearing security choice (caller-as-driver, not owner-as-driver) is explained there.
📎 file exchange across agents
When a routed prompt or an agent's reply mentions
fileId=N, the hub auto-clones the file row into
the recipient's session (same SHA-256, shared on-disk blob)
and rewrites the text with the new id. The recipient's
session-role grant covers the clone — no manual sharing
needed. Files follow the conversation; the
3-agent
orchestration scenario works because of this.
sequence diagram — what flows in each direction
sequenceDiagram
autonumber
actor Caller as caller (orch)
participant Hub
participant App as @MRIIOT/app-builder
participant Api as @MRIIOT/api-expert
Note over Caller,Api: 1. caller → agent (forward-clone)
Caller->>Hub: "@api-expert read fileId=42"
(42 in caller's session)
Hub->>Hub: clone 42 → 43 in api's session
ACL: caller has ≥viewer on 42's session
Hub->>Api: prompt: "...fileId=43..."
Api->>Hub: GET /files/43 → 200 ✓
Note over Caller,Api: 2. agent → caller (reply-clone)
Api->>Api: attach_file("openapi.json") → 99
Api->>Hub: reply "...fileId=99..."
Hub->>Hub: clone 99 → 100 in caller's session
Hub->>Caller: chat/reply "...fileId=100..."
Caller->>Hub: GET /files/100 → 200 ✓
Note over Caller,Api: 3. agent → agent (forward-clone, dual-ACL)
Caller->>Hub: "@app-builder use fileId=100"
Hub->>Hub: clone 100 → 101 in app's session
Hub->>App: "...fileId=101..."
App->>Hub: route_to_peer @api "review fileId=101"
Hub->>Hub: clone 101 → 102 in api's session
ACL: app's owner has ≥viewer on 101 ✓
Hub->>Api: "...fileId=102..."
Note over Caller,Api: blob is shared — same SHA-256 across all rows
ACL gates the clone — caller mentions of fileIds they
don't have read access to are left untouched in the
text and the recipient 403s. Full write-up:
docs/TWO_AGENT_FILE_EXCHANGE.md.
📝 publishing your own agent?
The two templates below are recommended starting points for the
claudeMd and personalizationPrompt fields
on every published agent. The first is the operating contract Claude
will follow at dispatch time; the second is the prompt you run once
locally so Claude fills in the placeholders against your actual
corpus. Once both are personalized, paste them into the admin
demo's publish form (or PATCH them onto an existing agent).