write_content · SQLite Project Memory MCP: Risk & Policy

WHAT IT DOES

What write_content does on SQLite Project Memory MCP

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

WHY IT NEEDS A POLICY

Why write_content needs a policy

This tool creates or modifies data (narrative content) in the project memory database with reversible operations (append or replace). It does not delete irreversibly, execute arbitrary code, or move financial resources.

From the tool's definition Tool name 'write_content' with description specifying 'Write narrative content' and explicit 'append|replace semantics' indicates reversible modification of stored data in the SQLite database.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

write_content Rate-limited

write_content 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": {
    "write_content": {
      "limits": [
        {
          "counter": "write_content_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 SQLite Project Memory MCP, so you can run agents against it safely.

FAQ

Questions about write_content

What does the write_content tool do? +

Write narrative content in one unified API with append|replace semantics. It is categorised as a Write tool in the SQLite Project Memory 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 write_content? +

Register the SQLite Project Memory MCP server in PolicyLayer and add a rule for write_content: 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 SQLite Project Memory MCP. Nothing to install.

What risk level is write_content? +

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

Can I rate-limit write_content? +

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

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

write_content is provided by the SQLite Project Memory MCP server (webrtcgame/sqlite-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.