trace_state_checkpoint

Save a named state checkpoint snapshot for safe rollback if a future exploration path fails.

SERVERTrace SOURCEnikolai-vysotskyi/trace-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/nikolai-vysotskyi-trace-mcp/trace-state-checkpoint.md

WHAT IT DOES

What trace_state_checkpoint does on Trace

AI agents use trace_state_checkpoint to create or update resources in Trace, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Trace environment.

RISK

Why trace_state_checkpoint is rated Medium

Creates reversible snapshots of state for recovery; no data deletion or code execution.

From the tool's definition Save a named state checkpoint snapshot for safe rollback

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs trace_state_checkpoint safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Trace, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For trace_state_checkpoint, this is the rule to start with:

trace_state_checkpoint Rate-limited

trace_state_checkpoint 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "trace_state_checkpoint": {
      "limits": [
        {
          "counter": "trace_state_checkpoint_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Trace, apply this rule, and every trace_state_checkpoint call is checked against it from then on.

FAQ

Questions about trace_state_checkpoint

What does the trace_state_checkpoint tool do? +

Save a named state checkpoint snapshot for safe rollback if a future exploration path fails. It is categorised as a Write tool in the Trace MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on trace_state_checkpoint? +

Register the Trace MCP server in PolicyLayer and add a rule for trace_state_checkpoint: 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 Trace. Nothing to install.

What risk level is trace_state_checkpoint? +

trace_state_checkpoint is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit trace_state_checkpoint? +

Yes. Add a rate_limit block to the trace_state_checkpoint 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.

How do I block trace_state_checkpoint completely? +

Set action: deny in the PolicyLayer policy for trace_state_checkpoint. 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 trace_state_checkpoint? +

trace_state_checkpoint is provided by the Trace MCP server (nikolai-vysotskyi/trace-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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