How do I install the API Security Testing skill?

Run npx skillmds@latest add metinduraktr-44/api-security-testing in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is API Security Testing safe to use?

This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. Capability flags: reads secrets. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with API Security Testing?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is API Security Testing free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published API Security Testing?

metinduraktr-44 (@metinduraktr-44) published this skill. Their other Agent Skills are listed on their SkillMD profile.

API Security Testing by metinduraktr-44

Name: API Security Testing
Rating: 4.2 (5 reviews)
Author: metinduraktr-44

API Security Testing Workflow

Overview

Specialized workflow for testing REST and GraphQL API security including authentication, authorization, rate limiting, input validation, and API-specific vulnerabilities.

When to Use This Workflow

Use this workflow when:

Testing REST API security
Assessing GraphQL endpoints
Validating API authentication
Testing API rate limiting
Bug bounty API testing

Workflow Phases

Phase 1: API Discovery

Skills to Invoke

api-fuzzing-bug-bounty - API fuzzing
scanning-tools - API scanning

Actions

Enumerate endpoints
Document API methods
Identify parameters
Map data flows
Review documentation

Copy-Paste Prompts

Use @api-fuzzing-bug-bounty to discover API endpoints

Phase 2: Authentication Testing

Skills to Invoke

broken-authentication - Auth testing
api-security-best-practices - API auth

Actions

Test API key validation
Test JWT tokens
Test OAuth2 flows
Test token expiration
Test refresh tokens

Copy-Paste Prompts

Use @broken-authentication to test API authentication

Phase 3: Authorization Testing

Skills to Invoke

idor-testing - IDOR testing

Actions

Test object-level authorization
Test function-level authorization
Test role-based access
Test privilege escalation
Test multi-tenant isolation

Copy-Paste Prompts

Use @idor-testing to test API authorization

Phase 4: Input Validation

Skills to Invoke

api-fuzzing-bug-bounty - API fuzzing
sql-injection-testing - Injection testing

Actions

Test parameter validation
Test SQL injection
Test NoSQL injection
Test command injection
Test XXE injection

Copy-Paste Prompts

Use @api-fuzzing-bug-bounty to fuzz API parameters

Phase 5: Rate Limiting

Skills to Invoke

api-security-best-practices - Rate limiting

Actions

Test rate limit headers
Test brute force protection
Test resource exhaustion
Test bypass techniques
Document limitations

Copy-Paste Prompts

Use @api-security-best-practices to test rate limiting

Phase 6: GraphQL Testing

Skills to Invoke

api-fuzzing-bug-bounty - GraphQL fuzzing

Actions

Test introspection
Test query depth
Test query complexity
Test batch queries
Test field suggestions

Copy-Paste Prompts

Use @api-fuzzing-bug-bounty to test GraphQL security

Phase 7: Error Handling

Skills to Invoke

api-security-best-practices - Error handling

Actions

Test error messages
Check information disclosure
Test stack traces
Verify logging
Document findings

Copy-Paste Prompts

Use @api-security-best-practices to audit API error handling

API Security Checklist

Authentication working
Authorization enforced
Input validated
Rate limiting active
Errors sanitized
Logging enabled
CORS configured
HTTPS enforced

Quality Gates

All endpoints tested
Vulnerabilities documented
Remediation provided
Report generated

Related Workflow Bundles

security-audit - Security auditing
web-security-testing - Web security
api-development - API development

API Security Testing

File contents

API Security Testing Workflow

Overview

When to Use This Workflow

Workflow Phases

Phase 1: API Discovery

Skills to Invoke

Actions

Copy-Paste Prompts

Phase 2: Authentication Testing

Skills to Invoke

Actions

Copy-Paste Prompts

Phase 3: Authorization Testing

Skills to Invoke

Actions

Copy-Paste Prompts

Phase 4: Input Validation

Skills to Invoke

Actions

Copy-Paste Prompts

Phase 5: Rate Limiting

Skills to Invoke

Actions

Copy-Paste Prompts

Phase 6: GraphQL Testing

Skills to Invoke

Actions

Copy-Paste Prompts

Phase 7: Error Handling

Skills to Invoke

Actions

Copy-Paste Prompts

API Security Checklist

Quality Gates

Related Workflow Bundles

Frequently asked questions

API Security Testing

File contents

API Security Testing Workflow

Overview

When to Use This Workflow

Workflow Phases

Phase 1: API Discovery

Skills to Invoke

Actions

Copy-Paste Prompts

Phase 2: Authentication Testing

Skills to Invoke

Actions

Copy-Paste Prompts

Phase 3: Authorization Testing

Skills to Invoke

Actions

Copy-Paste Prompts

Phase 4: Input Validation

Skills to Invoke

Actions

Copy-Paste Prompts

Phase 5: Rate Limiting

Skills to Invoke

Actions

Copy-Paste Prompts

Phase 6: GraphQL Testing

Skills to Invoke

Actions

Copy-Paste Prompts

Phase 7: Error Handling

Skills to Invoke

Actions

Copy-Paste Prompts

API Security Checklist

Quality Gates

Related Workflow Bundles

Related skills

Frequently asked questions

How do I install the API Security Testing skill?

What does the API Security Testing skill do?

Is API Security Testing safe to use?

Which AI agents work with API Security Testing?

Is API Security Testing free to use?

Who published API Security Testing?