gcp_secrets_add_version
Add a new version to a secret with payload data
This record as markdown: /tools/ahmedselimmansor-ctrl-gcp-mcp-server/gcp-secrets-add-version.md
What gcp_secrets_add_version does on GCP MCP Server
AI agents use gcp_secrets_add_version 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.
Why gcp_secrets_add_version is rated Medium
This tool creates/modifies secret data reversibly by adding a new version to an existing secret. While secrets are sensitive (justifying 'high' severity), the operation is Write-class because it creates new data rather than irreversibly deleting it (Destructive), executing arbitrary operations (Execute), or moving money (Financial).
From the tool's definition Tool name contains 'add_version' and description states 'Add a new version to a secret with payload data'. The action creates a new version entry in Google Cloud Secret Manager, modifying the secret resource by appending versioned data.
Attacks that exploit this kind of access
The rule that runs gcp_secrets_add_version 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_secrets_add_version, this is the rule to start with:
gcp_secrets_add_version 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.
The button opens the PolicyLayer dashboard: create your workspace, connect GCP MCP Server, apply this rule, and every gcp_secrets_add_version call is checked against it from then on.
Questions about gcp_secrets_add_version
Add a new version to a secret with payload data. 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.
Register the GCP MCP Server MCP server in PolicyLayer and add a rule for gcp_secrets_add_version: 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.
gcp_secrets_add_version is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the gcp_secrets_add_version 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.
Set action: deny in the PolicyLayer policy for gcp_secrets_add_version. 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.
gcp_secrets_add_version 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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