Creates a new index that uses an integrated inference model to embed text as vectors.
AI agents use create-index-for-model to create or update resources in Pinecone Developer MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Pinecone Developer MCP environment.
Creating a new index is a reversible write operation; the index can be deleted or reconfigured. It does not execute arbitrary code (Execute), permanently destroy data (Destructive), or involve financial transactions (Financial). The medium severity reflects that creating indexes could consume quota or resources, but the action is contained and can be undone.
From the tool's definition Tool description states it 'Creates a new index' — a write operation that modifies system state by adding a new resource.
Documented attack patterns abuse exactly the kind of access create-index-for-model gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Pinecone Developer MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for create-index-for-model:
{
"version": "1",
"default": "deny",
"tools": {
"create-index-for-model": {
"limits": [
{
"counter": "create-index-for-model_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}create-index-for-model 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.
Free to start. No card required.
Creates a new index that uses an integrated inference model to embed text as vectors. It is categorised as a Write tool in the Pinecone Developer MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Pinecone Developer MCP server in PolicyLayer and add a rule for create-index-for-model: 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 Pinecone Developer MCP. Nothing to install.
create-index-for-model 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 create-index-for-model 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 create-index-for-model. 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.
create-index-for-model is provided by the Pinecone Developer MCP server (pinecone-io/pinecone-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 9 Pinecone Developer MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
9 Pinecone Developer MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.