ingest_file · ChromaDB Local MCP Server MCP: Risk & Policy

WHAT IT DOES

What ingest_file does on ChromaDB Local MCP Server

AI agents use ingest_file to create or update resources in ChromaDB Local MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your ChromaDB Local MCP Server environment.

WHY IT NEEDS A POLICY

Why ingest_file needs a policy

This tool reads a file from the filesystem and writes it (along with extracted metadata) into the ChromaDB vector store. It creates new data in the database, which is a reversible write operation. The 'automatic type detection and metadata extraction' confirms it processes and stores data, but does not delete or execute code.

From the tool's definition Ingest a single file with automatic type detection and metadata extraction

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ingest_file Rate-limited

ingest_file 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "ingest_file": {
      "limits": [
        {
          "counter": "ingest_file_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches ChromaDB Local MCP Server, so you can run agents against it safely.

FAQ

Questions about ingest_file

What does the ingest_file tool do? +

Ingest a single file with automatic type detection and metadata extraction. It is categorised as a Write tool in the ChromaDB Local MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on ingest_file? +

Register the ChromaDB Local MCP Server MCP server in PolicyLayer and add a rule for ingest_file: 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 ChromaDB Local MCP Server. Nothing to install.

What risk level is ingest_file? +

ingest_file is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit ingest_file? +

Yes. Add a rate_limit block to the ingest_file 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.

How do I block ingest_file completely? +

Set action: deny in the PolicyLayer policy for ingest_file. 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.

What MCP server provides ingest_file? +

ingest_file is provided by the ChromaDB Local MCP Server MCP server (vespo92/chromadblocal-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.