ReddRadar
Agent skill
api-security
API security testing - GraphQL, REST API, WebSocket, and Web-LLM attack techniques.
Install this agent skill to your Project
npx add-skill https://github.com/transilienceai/communitytools/tree/main/projects/pentest/.claude/skills/api-security
SKILL.md
API Security
Test API endpoints for security vulnerabilities across REST, GraphQL, WebSocket, and LLM-integrated APIs.
Techniques
| Type | Key Vectors |
|---|---|
| GraphQL | Introspection, batching attacks, nested query DoS, field suggestion |
| REST API | BOLA/IDOR, mass assignment, rate limiting, auth bypass, versioning |
| WebSocket | Cross-site hijacking, message manipulation, auth flaws |
| Web-LLM | Prompt injection via API, excessive agency, data exfiltration |
Workflow
- Discover API endpoints and documentation (Swagger, GraphQL schema)
- Map authentication and authorization mechanisms
- Test per API type using appropriate techniques
- Validate data exposure and access control flaws
- Capture evidence with HTTP request/response logs
Reference
reference/graphql*.md- GraphQL attack techniques and labsreference/api-testing*.md- REST API security testing guidereference/websockets*.md- WebSocket vulnerability testingreference/web-llm*.md- Web-LLM attack techniques and labs
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