pass

Attempt 1 of 10

all 1 assertion(s) passed

trigger.negative.unrelated.rate_limit21.9 s42/2052 tokens

Did the skill fire?

No — the skill never fired.

Observed Skill tool call in stream-json. No skill was invoked in this attempt.

What the agent did

  1. assistant_messageI'll help you add rate limiting to the /login endpoint. Let me first explore the project structure to find the login endpoint implementation.
  2. Bash{"command":"find . -type f -name \"*.js\" -o -name \"*.ts\" -o -name \"*.jsx\" -o -name \"*.tsx\" | head -20","description":"List JavaScript/TypeScript files to…
  3. Bash{"command":"ls -la","description":"Show current directory contents"}
  4. Bash
  5. Bash
  6. Bash{"command":"find . -type f | head -20","description":"Find all files in the repository"}
  7. Bash
  8. Bash{"command":"pwd && git status","description":"Show current directory and git status"}
  9. Bash
  10. assistant_messageThe repository is empty. I'll create a Node.js/Express application with a rate-limited login endpoint. I'll use the `express-rate-limit` middleware for this.
  11. Write{"content":"{\n \"name\": \"rate-limited-auth\",\n \"version\": \"1.0.0\",\n \"description\": \"Express app with rate-limited login endpoint\",\n \"main\": …
  12. WriteClaude requested permissions to write to \tmp\assay-attempt-JZIPh4\package.json, but you haven't granted it yet.
  13. Write{"content":"const express = require('express');\nconst rateLimit = require('express-rate-limit');\n\nconst app = express();\napp.use(express.json());\n\nconst l…
  14. WriteClaude requested permissions to write to \tmp\assay-attempt-JZIPh4\server.js, but you haven't granted it yet.
  15. assistant_messageI need to create files in your repository. Here's what we need: **package.json** — dependency configuration with express and express-rate-limit: ```json { "name": "rate-limited-auth", "version": "1.0.0", "description": "Express app with rate-limited login endpoint", "main": "server.js", "scripts": { "start": "node server.js", "dev": "nodemon server.js" }, "dependencies": { "express": "^4.18.2", "express-rate-limit": "^7.1.5" }, "devDependencies": { "nodemon": "^3.0.1" } } ``` **server.js** — Express app with rate-limited login: ```javascript const express = require('express'); const rateLimit = require('express-rate-limit'); const app = express(); app.use(express.json()); const loginLimiter = rateLimit({ windowMs: 60 * 1000, // 1 minute window max: 5, // 5 requests per windowMs message: 'Too many login attempts, please try again later.', standardHeaders: true, // Include RateLimit-* headers legacyHeaders: false, keyGenerator: (req) => req.ip, // Rate limit by IP address }); app.post('/login', loginLimiter, (req, res) => { const { username, password } = req.body; if (!username || !password) { return res.status(400).json({ error: 'Username and password required' }); } if (username === 'admin' && password === 'password') { return res.json({ message: 'Login successful', token: 'jwt-token-here' }); } res.status(401).json({ error: 'Invalid credentials' }); }); app.get('/health', (req, res) => { res.json({ status: 'ok' }); }); const PORT = process.env.PORT || 3000; app.listen(PORT, () => { console.log(`Server running on port ${PORT}`); }); ``` The rate limiter enforces 5 login attempts per minute per IP. After exceeding the limit, requests get a 429 (Too Many Requests) response. Grant permission to proceed, or let me know if you have an existing codebase to modify instead.
  16. session_endcompleted

What it touched

Part of the environment was not observable

These calls can reach the file system or the network through a path Assay does not read, so the lists below may be incomplete: Bash

Writes

nothing observed

Deletes

nothing observed

Network

nothing observed

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