gcp_firestore_create_index

Create a Firestore composite index

SERVERGCP MCP Server SOURCEahmedselimmansor-ctrl/gcp_mcp_server

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/ahmedselimmansor-ctrl-gcp-mcp-server/gcp-firestore-create-index.md

WHAT IT DOES

What gcp_firestore_create_index does on GCP MCP Server

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

RISK

Why gcp_firestore_create_index is rated Medium

Creating a Firestore composite index modifies the database schema by adding a new index. This is a Write operation because it creates a new resource that can be reversed (the index can be deleted). While it affects database performance and query capability, it does not irreversibly destroy data or execute arbitrary code.

From the tool's definition Tool name contains 'create', description states 'Create a Firestore composite index'. This creates a new database index structure that is reversible via deletion.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs gcp_firestore_create_index safely

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

gcp_firestore_create_index Rate-limited

gcp_firestore_create_index 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": {
    "gcp_firestore_create_index": {
      "limits": [
        {
          "counter": "gcp_firestore_create_index_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 GCP MCP Server, apply this rule, and every gcp_firestore_create_index call is checked against it from then on.

FAQ

Questions about gcp_firestore_create_index

What does the gcp_firestore_create_index tool do? +

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

How do I enforce a policy on gcp_firestore_create_index? +

Register the GCP MCP Server MCP server in PolicyLayer and add a rule for gcp_firestore_create_index: 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 GCP MCP Server. Nothing to install.

What risk level is gcp_firestore_create_index? +

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

Can I rate-limit gcp_firestore_create_index? +

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

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

gcp_firestore_create_index is provided by the GCP MCP Server MCP server (ahmedselimmansor-ctrl/gcp_mcp_server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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