warm_index
Pre-build vector embeddings for a project in the background.
This record as markdown: /tools/0215andrewfeng-ace-mcp/warm-index.md
What warm_index does on ACE-MCP
AI agents invoke warm_index to trigger actions in ACE-MCP. 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 warm_index is rated High
Triggers background processing on local codebase; resource-intensive operation affecting system performance.
From the tool's definition Pre-build vector embeddings for a project in the background.
Attacks that exploit this kind of access
The rule that runs warm_index safely
PolicyLayer is an MCP gateway: it sits between your AI agents and ACE-MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For warm_index, this is the rule to start with:
warm_index 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 ACE-MCP, apply this rule, and every warm_index call is checked against it from then on.
Questions about warm_index
Pre-build vector embeddings for a project in the background. It is categorised as a Execute tool in the ACE-MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the ACE MCP server in PolicyLayer and add a rule for warm_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 ACE-MCP. Nothing to install.
warm_index 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 warm_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.
Set action: deny in the PolicyLayer policy for warm_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.
warm_index is provided by the ACE MCP server (0215andrewfeng/ace-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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