This record as markdown: /tools/io-github-devopam-mcpg/generate-schema-docs.md
What generate_schema_docs does on Mcpg
AI agents call generate_schema_docs to retrieve information from Mcpg without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why generate_schema_docs is rated Low
The name 'generate_schema_docs' suggests reading database schema metadata and producing documentation. This is likely a Read operation (introspecting schema structures). However, because the description is empty, there is some uncertainty — it could involve writing documentation files. Given the PostgreSQL MCP server context and the name, Read is the most probable category.
From the tool's definition Tool name: generate_schema_docs — no description provided.
Attacks that exploit this kind of access
The rule that runs generate_schema_docs 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_schema_docs, this is the rule to start with:
generate_schema_docs is read-only, so it stays allowed. 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_schema_docs call is checked against it from then on.
Questions about generate_schema_docs
generate_schema_docs is a read tool on the Mcpg MCP server. It is categorised as a Read tool in the Mcpg MCP Server, which means it retrieves data without modifying state.
Register the Mcpg MCP server in PolicyLayer and add a rule for generate_schema_docs: 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_schema_docs is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the generate_schema_docs 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_schema_docs. 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_schema_docs 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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