diff_snapshots
Compare two network snapshots (from snapshot_td_graph) and return a readable diff: which nodes were added or removed, which connections changed, and which parameters changed (with before/after values). Snapshot before an edit and after to see exactly what changed, or to version a patch over time....
This record as markdown: /tools/hybridlabor-api-aos/diff-snapshots.md
What diff_snapshots does on Aos
AI agents call diff_snapshots to retrieve information from Aos without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why diff_snapshots is rated Low
The tool compares two previously captured snapshots and returns a diff report. It performs no modifications, executions, or deletions — it is purely analytical/read-only.
From the tool's definition Pure analysis — touches nothing in TouchDesigner
Attacks that exploit this kind of access
The rule that runs diff_snapshots safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Aos, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For diff_snapshots, this is the rule to start with:
diff_snapshots is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Aos, apply this rule, and every diff_snapshots call is checked against it from then on.
Questions about diff_snapshots
Compare two network snapshots (from snapshot_td_graph) and return a readable diff: which nodes were added or removed, which connections changed, and which parameters changed (with before/after values). Snapshot before an edit and after to see exactly what changed, or to version a patch over time. Pure analysis — touches nothing in TouchDesigner. It is categorised as a Read tool in the Aos MCP Server, which means it retrieves data without modifying state.
Register the Aos MCP server in PolicyLayer and add a rule for diff_snapshots: 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 Aos. Nothing to install.
diff_snapshots is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the diff_snapshots 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 diff_snapshots. 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.
diff_snapshots is provided by the Aos MCP server (@hybridlabor-api/aos). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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