oboe_mark_deferred · Obo MCP: Risk & Policy

WHAT IT DOES

What oboe_mark_deferred does on Obo

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

WHY IT NEEDS A POLICY

Why oboe_mark_deferred needs a policy

The tool operates within a session/item management system where marking an item as 'deferred' changes its state from active to deferred—a reversible modification of data.

From the tool's definition Tool name 'oboe_mark_deferred' suggests marking/updating an item status; sibling tools include 'oboe_mark_blocked' (status update), 'oboe_complete_session/child_session' (state transitions), and 'oboe_create' (creates items).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

oboe_mark_deferred Rate-limited

oboe_mark_deferred 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": {
    "oboe_mark_deferred": {
      "limits": [
        {
          "counter": "oboe_mark_deferred_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Obo, so you can run agents against it safely.

FAQ

Questions about oboe_mark_deferred

What does the oboe_mark_deferred tool do? +

oboe_mark_deferred. It is categorised as a Write tool in the Obo MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on oboe_mark_deferred? +

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

What risk level is oboe_mark_deferred? +

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

Can I rate-limit oboe_mark_deferred? +

Yes. Add a rate_limit block to the oboe_mark_deferred 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 oboe_mark_deferred completely? +

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

oboe_mark_deferred is provided by the Obo MCP server (warnes-innovations/oboe-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.