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Anthropic-Cybersecurity-Skills/skills/performing-graphql-security-assessment/references/api-reference.md
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mukul975 27c6414ca5 Add folder anatomy (scripts/agent.py + references/api-reference.md) for 648 cybersecurity skills
Complete skill folder anatomy across all cybersecurity skills:
- scripts/agent.py: 80-150 line Python agents using real libraries (impacket,
  boto3, azure-mgmt-*, kubernetes, pefile, yara, scapy, shodan, stix2, etc.)
- references/api-reference.md: real API documentation with method signatures
- LICENSE: MIT license for all skill folders
2026-03-10 21:02:12 +01:00

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# API Reference: GraphQL Security Assessment
## GraphQL Introspection Query
```graphql
{
__schema {
queryType { name }
mutationType { name }
types { name kind fields { name type { name kind } } }
}
}
```
## Security Test Endpoints
| Test | Query | Expected Secure Response |
|------|-------|-------------------------|
| Introspection | `{ __schema { types { name } } }` | Error: introspection disabled |
| Depth limit | Nested `{ users { friends { ... } } }` | Error: max depth exceeded |
| Batch queries | `[{query: "..."}, {query: "..."}]` | Error or single-query only |
| Aliases | `{ a1: __typename a2: __typename ... }` | Error: alias limit exceeded |
## Python Libraries
| Library | Version | Purpose |
|---------|---------|---------|
| `requests` | >=2.28 | HTTP client for GraphQL POST requests |
| `gql` | >=3.4 | Python GraphQL client with transport support |
## graphql-cop CLI
```bash
pip install graphql-cop
graphql-cop -t https://target.example.com/graphql
```
## clairvoyance (Schema Enumeration)
```bash
python3 -m clairvoyance -u <url> -w <wordlist> -o schema.json
```
## References
- GraphQL specification: https://spec.graphql.org/
- InQL Burp extension: https://github.com/doyensec/inql
- clairvoyance: https://github.com/nikitastupin/clairvoyance
- graphql-cop: https://github.com/dolevf/graphql-cop
- CSP Evaluator: https://csp-evaluator.withgoogle.com/