This record as markdown: /tools/io-github-devopam-mcpg/enable-redis-fdw.md
What enable_redis_fdw does on Mcpg
AI agents invoke enable_redis_fdw to trigger actions in Mcpg. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
Why enable_redis_fdw is rated High
Enabling a Foreign Data Wrapper involves executing database configuration changes that establish external connections to Redis. This is an Execute-level action as it triggers external operations and modifies server configuration, though the empty description reduces confidence.
From the tool's definition Tool name 'enable_redis_fdw' suggests enabling a Redis Foreign Data Wrapper (FDW) in PostgreSQL, which would configure an external connection/extension. Description is empty and uninformative, lowering confidence.
Attacks that exploit this kind of access
The rule that runs enable_redis_fdw 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 enable_redis_fdw, this is the rule to start with:
enable_redis_fdw stays usable, but rate-capped: a runaway agent can't fire it dozens of times 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 enable_redis_fdw call is checked against it from then on.
Questions about enable_redis_fdw
enable_redis_fdw is a execute tool on the Mcpg MCP server. It is categorised as a Execute tool in the Mcpg MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Mcpg MCP server in PolicyLayer and add a rule for enable_redis_fdw: 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.
enable_redis_fdw is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the enable_redis_fdw 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 enable_redis_fdw. 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.
enable_redis_fdw 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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