This record as markdown: /tools/io-github-devopam-mcpg/generate-drizzle-schema.md
What generate_drizzle_schema does on Mcpg
AI agents use generate_drizzle_schema to create or update resources in Mcpg, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcpg environment.
Why generate_drizzle_schema is rated Medium
Schema generation is a Write operation—it creates or modifies data structures reversibly. It is not Destructive (no irreversible deletion) and not Execute (no arbitrary code execution). The medium severity reflects that generated schemas could affect database structure, but the reversible nature and typical safeguards in schema generation tools limit blast radius.
From the tool's definition Tool name 'generate_drizzle_schema' indicates schema generation; Drizzle is an ORM that generates database schemas.
Attacks that exploit this kind of access
The rule that runs generate_drizzle_schema safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcpg, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For generate_drizzle_schema, this is the rule to start with:
generate_drizzle_schema 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 Mcpg, apply this rule, and every generate_drizzle_schema call is checked against it from then on.
Questions about generate_drizzle_schema
generate_drizzle_schema is a write tool on the Mcpg MCP server. It is categorised as a Write tool in the Mcpg MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mcpg MCP server in PolicyLayer and add a rule for generate_drizzle_schema: 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 Mcpg. Nothing to install.
generate_drizzle_schema 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 generate_drizzle_schema 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 generate_drizzle_schema. 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.
generate_drizzle_schema is provided by the Mcpg MCP server (pypi:mcpg). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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