Low Risk

get_logs

Gets logs for a Supabase project by service type (api, postgres, edge functions, auth, storage, realtime). LLMs can use this to help with debugging and monitoring service performance.

How to control get_logs ↓

AI agents call get_logs to retrieve information from PostgREST without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

The tool retrieves existing log data from a Supabase project for inspection. This is purely informational and does not modify, execute, delete, or commit any resources. The blast radius of misuse is minimal (information disclosure of logs, which may contain sensitive data if not properly filtered), but the tool itself performs no destructive or dangerous operations.

From the tool's definition Tool description states it 'Gets logs' and is used for 'debugging and monitoring service performance' — a read-only retrieval of diagnostic information with no side effects.

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

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

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_logs": {}
  }
}

get_logs is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

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

What does the get_logs tool do? +

Gets logs for a Supabase project by service type (api, postgres, edge functions, auth, storage, realtime). LLMs can use this to help with debugging and monitoring service performance. It is categorised as a Read tool in the PostgREST MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_logs? +

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

What risk level is get_logs? +

get_logs is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_logs? +

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

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

get_logs is provided by the PostgREST MCP server (supabase/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every PostgREST tool call.

Deterministic rules across all 32 PostgREST tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

32 PostgREST tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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