knowledge_ingest_text · Chisel Knowledge MCP: Risk & Policy

WHAT IT DOES

What knowledge_ingest_text does on Chisel Knowledge MCP

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

WHY IT NEEDS A POLICY

Why knowledge_ingest_text needs a policy

This tool creates or appends text data to a workspace inbox, which is a reversible operation. It modifies state within the knowledge workspace but does not execute arbitrary code, delete data irreversibly, or involve financial transactions. The low severity reflects that the blast radius of misuse is contained within a single workspace inbox with no destructive or systemic consequences.

From the tool's definition Tool name and description explicitly state 'Write raw text into a workspace inbox' - the verb 'Write' and action 'ingest' indicate data creation/modification into a designated inbox location.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

knowledge_ingest_text Rate-limited

knowledge_ingest_text 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": {
    "knowledge_ingest_text": {
      "limits": [
        {
          "counter": "knowledge_ingest_text_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 Chisel Knowledge MCP, so you can run agents against it safely.

FAQ

Questions about knowledge_ingest_text

What does the knowledge_ingest_text tool do? +

Write raw text into a workspace inbox. It is categorised as a Write tool in the Chisel Knowledge MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on knowledge_ingest_text? +

Register the Chisel Knowledge MCP server in PolicyLayer and add a rule for knowledge_ingest_text: 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 Chisel Knowledge MCP. Nothing to install.

What risk level is knowledge_ingest_text? +

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

Can I rate-limit knowledge_ingest_text? +

Yes. Add a rate_limit block to the knowledge_ingest_text 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 knowledge_ingest_text completely? +

Set action: deny in the PolicyLayer policy for knowledge_ingest_text. 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 knowledge_ingest_text? +

knowledge_ingest_text is provided by the Chisel Knowledge MCP server (teknologika/chisel-knowledge-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.