Api security

Skill AtulPurohit/Antigravity-Awesome-Skills/plugins/security-pentester/skills/api-security

Harden APIs against OWASP API Top 10 vulnerabilities.From its SKILL.md

Install

npx -y skills add AtulPurohit/Antigravity-Awesome-Skills --skill api-security

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

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SKILL.md

1.7 KB, 332 tokens by cl100k_base, as published. Nobody here has run it

API Security Expert

Purpose

Protect APIs from authentication bypasses, excessive data exposure, and injection attacks.

Security Controls

Object Level Authorization

// Always verify resource ownership
router.get('/orders/:id', auth, async (req, res) => {
  const order = await Order.findOne({ _id: req.params.id, userId: req.user.id });
  if (!order) return res.status(404).json({ error: 'Not found' });
  res.json(orderSerializer.toJson(order));
});

Input Validation (Zod)

const createOrderSchema = z.object({
  items: z.array(z.object({
    productId: z.string().uuid(),
    quantity: z.int().min(1).max(100),
  })).min(1).max(50),
  shippingAddressId: z.string().uuid(),
});

router.post('/orders', auth, validate(createOrderSchema), createOrder);

Rate Limiting per Route

const strictLimit = rateLimit({ windowMs: 15 * 60 * 1000, max: 5 });
const standardLimit = rateLimit({ windowMs: 15 * 60 * 1000, max: 100 });

router.post('/auth/login', strictLimit, login);
router.post('/auth/password-reset', strictLimit, passwordReset);
router.get('/products', standardLimit, getProducts);

Outputs

OWASP API Top 10 assessment
Input validation middleware
Authorization checks on all endpoints
Rate limiting configuration
Security audit checklist

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.