s3_bucket_create

THE RISK

Medium Risk

Why s3_bucket_create needs a policy

Creating an S3 bucket is a Write action (creates new cloud storage infrastructure). Severity is medium because: (1) the blast radius is localized to storage resource creation, not data deletion or financial impact, and (2) buckets can be deleted later, making it reversible.

From the tool's definition Tool description states 'Create a new bucket on the configured S3 endpoint' — the verb 'create' indicates irreversible resource creation that modifies cloud infrastructure state.

Documented attack patterns abuse exactly the kind of access s3_bucket_create gives an agent:

POLICY

How to control s3_bucket_create

PolicyLayer is an MCP gateway — it sits between your AI agents and Odoo Claude MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for s3_bucket_create:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "s3_bucket_create": {
      "limits": [
        {
          "counter": "s3_bucket_create_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

s3_bucket_create 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.

Create a free account and register Odoo Claude MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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All 180 Odoo Claude MCP tools →

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about s3_bucket_create

What does the s3_bucket_create tool do? +

Create a new bucket on the configured S3 endpoint. It is categorised as a Write tool in the Odoo Claude MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on s3_bucket_create? +

Register the Odoo Claude MCP server in PolicyLayer and add a rule for s3_bucket_create: 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 Odoo Claude MCP. Nothing to install.

What risk level is s3_bucket_create? +

s3_bucket_create is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit s3_bucket_create? +

Yes. Add a rate_limit block to the s3_bucket_create 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 s3_bucket_create completely? +

Set action: deny in the PolicyLayer policy for s3_bucket_create. 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 s3_bucket_create? +

s3_bucket_create is provided by the Odoo Claude MCP server (rosenvladimirov/odoo-claude-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Odoo Claude MCP tool call.

Start from Odoo Claude MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →