Skip to content
forkout

Type to search.

    forkout

    Components

    Creative controls for AI products. Play with them, then copy the React and Tailwind code.

    Higher effort takes longer and uses more of your credit.

    effort-slider

    Six effort levels with a fast mode.

    OpenSign in to copy
    Lines 18–20
    export default {
    fetch: handle,
    fetch: withRateLimit(handle),
    };
    Lines 4–5
    const LIMIT = 10;
    const LIMIT = 5;
    const WINDOW_MS = 3_600_000;
    Lines 42–44
    if (hits >= LIMIT) {
    return error(429, "Slow down");
    }
    0 of 3 reviewed

    diff-review

    Accept or reject an agent's changes hunk by hunk.

    OpenSign in to copy

    Add rate limiting to the invite form

    • fetch() routes POST /invite to handleInvite.

    Invites are now limited to 5 an hour per IP, and all 12 tests pass. The first test run failed because I counted the hit after the insert.

    tool-calls

    What the agent is doing, one row per tool.

    OpenSign in to copy
    src/lib/invites.tsts
    import { error } from "./http";
    const LIMIT = 5;
    const WINDOW_MS = 60 * 60 * 1000;
    /* One row per IP, per hour */
    export async function checkRateLimit(db: D1Database, ip: string) {
      const hour = Math.floor(Date.now() / WINDOW_MS);
      const row = await db
        .prepare("SELECT hits FROM rate_limits WHERE ip = ? AND hour = ?")
        .bind(ip, hour)
        .first<{ hits: number }>();
      if ((row?.hits ?? 0) >= LIMIT) {
        return error(429, "Slow down, try again in an hour");
      }
      await db
        .prepare("INSERT INTO rate_limits VALUES (?, ?, 1) ON CONFLICT DO UPDATE SET hits = hits + 1")
        .bind(ip, hour)
        .run();
      return null;
    }

    code-block

    Code with line numbers and a copy button.

    OpenSign in to copy

    Add rate limiting to invites

    1. runningRead invite formread0.0s

      src/worker.ts, 142 lines

    2. pendingFind submit handlergrep

      handleInvite in src/lib/invites.ts

    3. pendingAdd rate_limits tableD1

      CREATE TABLE rate_limits (ip, hits)

    4. pendingLimit invites per IPedit

      src/lib/invites.ts +24 -3

    5. pendingRun testsbash

      pnpm test, 12 files

    6. pendingDeploy previewwrangler

      Cloudflare Workers, preview env

    Step 1 of 6 · 0.0s · 0 calls

    plan-runner

    An agent's plan with progress and a stop button.

    OpenSign in to copy