add_host_migration_recovery
Generate a host-migration recovery component — it detects when THIS machine takes authority over its GameObject (the proxy→authority transition that promotes a client to host when the old host leaves) and gives you a clean hook to rebuild host-only state. It tracks IsProxy each frame; when it fli...
This record as markdown: /tools/sbox/add-host-migration-recovery.md
What add_host_migration_recovery does on Sbox
AI agents use add_host_migration_recovery to create or update resources in Sbox, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Sbox environment.
Why add_host_migration_recovery is rated Medium
Creates a new component to handle host migration; reversible write operation within game engine.
From the tool's definition Generate a host-migration recovery component
Attacks that exploit this kind of access
The rule that runs add_host_migration_recovery safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Sbox, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For add_host_migration_recovery, this is the rule to start with:
add_host_migration_recovery stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Sbox, apply this rule, and every add_host_migration_recovery call is checked against it from then on.
Questions about add_host_migration_recovery
Generate a host-migration recovery component — it detects when THIS machine takes authority over its GameObject (the proxy→authority transition that promotes a client to host when the old host leaves) and gives you a clean hook to rebuild host-only state. It tracks IsProxy each frame; when it flips from true (someone else was the authority) to false (now it. It is categorised as a Write tool in the Sbox MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Sbox MCP server in PolicyLayer and add a rule for add_host_migration_recovery: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Sbox. Nothing to install.
add_host_migration_recovery is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the add_host_migration_recovery rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for add_host_migration_recovery. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
add_host_migration_recovery is provided by the Sbox MCP server (sbox-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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