ingest.accounts.backfill · X Archive Daemon MCP

WHAT IT DOES

What ingest.accounts.backfill does on X Archive Daemon

AI agents use ingest.accounts.backfill to create or update resources in X Archive Daemon — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your X Archive Daemon environment.

WHY IT NEEDS A POLICY

Why ingest.accounts.backfill needs a policy

This tool retrieves external data and writes it into a local SQLite database. It creates/inserts new records (backfill of posts) but does not delete or overwrite existing data irreversibly. The primary effect is a Write operation — storing fetched timeline data locally.

From the tool's definition Fetches a public account timeline from X and stores it in the local archive

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ingest.accounts.backfill Rate-limited

ingest.accounts.backfill 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.accounts.backfill": {
      "limits": [
        {
          "counter": "ingest.accounts.backfill_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 X Archive Daemon, so you can run agents against it safely.

FAQ

Questions about ingest.accounts.backfill

What does the ingest.accounts.backfill tool do? +

Fetches a public account timeline from X and stores it in the local archive. Use this only when the user explicitly wants the full timeline, including replies, retweets, or quote tweets. It is categorised as a Write tool in the X Archive Daemon 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.accounts.backfill? +

Register the X Archive Daemon MCP server in PolicyLayer and add a rule for ingest.accounts.backfill: 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 X Archive Daemon. Nothing to install.

What risk level is ingest.accounts.backfill? +

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

Can I rate-limit ingest.accounts.backfill? +

Yes. Add a rate_limit block to the ingest.accounts.backfill 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.accounts.backfill completely? +

Set action: deny in the PolicyLayer policy for ingest.accounts.backfill. 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.accounts.backfill? +

ingest.accounts.backfill is provided by the X Archive Daemon MCP server (menesekinci/x-archive-daemon). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.