get_anon_key

A read tool on the Supabase MCP Server - Self-Hosted Edition MCP server.

SERVERSupabase MCP Server - Self-Hosted Edition SOURCEabdqum/supabase-mcp-selfhosted

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/abdqum-supabase-mcp-selfhosted/get-anon-key.md

WHAT IT DOES

What get_anon_key does on Supabase MCP Server - Self-Hosted Edition

AI agents call get_anon_key to retrieve information from Supabase MCP Server - Self-Hosted Edition without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why get_anon_key is rated Low

The tool retrieves an authentication credential (anonymous key), which is a read operation with no side effects on data or system state. While credential exposure carries security implications, the tool itself performs a simple retrieval. The 'get_' prefix strongly suggests a non-destructive, non-modifying action.

From the tool's definition Tool name 'get_anon_key' indicates retrieval of an anonymous API key—a read operation that fetches credentials without modifying system state. No description provided to confirm scope, reducing confidence slightly.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_anon_key safely

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

get_anon_key Allowed

get_anon_key is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_anon_key": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Supabase MCP Server - Self-Hosted Edition, apply this rule, and every get_anon_key call is checked against it from then on.

FAQ

Questions about get_anon_key

What does the get_anon_key tool do? +

get_anon_key is a read tool on the Supabase MCP Server - Self-Hosted Edition MCP server. It is categorised as a Read tool in the Supabase MCP Server - Self-Hosted Edition MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_anon_key? +

Register the Supabase MCP Server - Self-Hosted Edition MCP server in PolicyLayer and add a rule for get_anon_key: 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 Supabase MCP Server - Self-Hosted Edition. Nothing to install.

What risk level is get_anon_key? +

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

Can I rate-limit get_anon_key? +

Yes. Add a rate_limit block to the get_anon_key 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_anon_key completely? +

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

get_anon_key is provided by the Supabase MCP Server - Self-Hosted Edition MCP server (abdqum/supabase-mcp-selfhosted). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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