Critical Risk →

diff_traces

Diff two normalized agentsnap traces and surface meaningful differences. Returns same=true on a structural match, otherwise lists additions (paths only present in current), removals (paths only present in baseline), and changes (paths whose values differ). Use ignore_paths to drop noisy fields (e...

Part of the Agentsnap MCP server. Enforce policies on this tool with Intercept, the open-source MCP proxy.

AI agents may call diff_traces to permanently remove or destroy resources in Agentsnap. Without a policy, an autonomous agent could delete critical data in a loop with no way to undo the damage. Intercept blocks destructive tools by default and requires explicit human approval before enabling them.

Without a policy, an AI agent could call diff_traces in a loop, permanently destroying resources in Agentsnap. There is no undo for destructive operations. Intercept blocks this tool by default and only allows it when a human explicitly approves the action.

Destructive tools permanently remove data. Block by default. Only enable with explicit approval workflows.

io-github-mukundakatta-agentsnap.yaml
tools:
  diff_traces:
    rules:
      - action: deny
        reason: "Blocked by default — enable with approval"

See the full Agentsnap policy for all 3 tools.

Tool Name diff_traces
Category Destructive
Risk Level Critical

Agents calling destructive-class tools like diff_traces have been implicated in these attack patterns. Read the full case and prevention policy for each:

Browse the full MCP Attack Database →

Other tools in the Destructive risk category across the catalogue. The same policy patterns (deny, require_approval) apply to each.

diff_traces is one of the critical-risk operations in Agentsnap. For the full severity-focused view — only the critical-risk tools with their recommended policies — see the breakdown for this server, or browse all critical-risk tools across every MCP server.

What does the diff_traces tool do? +

Diff two normalized agentsnap traces and surface meaningful differences. Returns same=true on a structural match, otherwise lists additions (paths only present in current), removals (paths only present in baseline), and changes (paths whose values differ). Use ignore_paths to drop noisy fields (e.g. ["fingerprint","tools[0].result_hash"]) before classification.. It is categorised as a Destructive tool in the Agentsnap MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on diff_traces? +

Add a rule in your Intercept YAML policy under the tools section for diff_traces. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the Agentsnap MCP server.

What risk level is diff_traces? +

diff_traces is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit diff_traces? +

Yes. Add a rate_limit block to the diff_traces rule in your Intercept 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.

How do I block diff_traces completely? +

Set action: deny in the Intercept policy for diff_traces. 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.

What MCP server provides diff_traces? +

diff_traces is provided by the Agentsnap MCP server (@mukundakatta/agentsnap-mcp). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Let agents act without letting them run wild.

Deterministic policy on every MCP tool call. Per-identity grants. Full audit log.

Currently onboarding teams running MCP in production.
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