graphql
Build Secure GraphQL APIs
GraphQL systems can suffer from inefficient resolvers, unsafe query flexibility, and inconsistent schemas. This skill provides patterns for schemas, clients, performance, authorization, and production safeguards.
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Review the Skillstore skill "graphql" from https://skillstore.io/skills/sickn33-graphql.md and its manifest at https://skillstore.io/api/skills/sickn33-graphql/manifest. Verify the artifact. Stop and obtain explicit user consent before installing or changing files.Your Agent should still show its plan and request any confirmation required by the security policy.
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Test it
Using "graphql". Design user and post queries for a new content service.
Expected outcome:
A schema plan with paginated user and post connections, explicit nullability, typed mutation inputs, and payload unions for expected failures.
Using "graphql". Why does fetching 100 posts generate 101 database queries?
Expected outcome:
- Each author resolver performs a separate database query.
- Create one DataLoader instance per request.
- Batch author identifiers and return results in the original order.
Using "graphql". Review production GraphQL security settings.
Expected outcome:
A prioritized audit covering query limits, field authorization, introspection, persisted operations, rate controls, and subscription identity verification.
Security Audit
High RiskAll 40 static alerts are false positives caused by GraphQL templates, JavaScript interpolation, development configuration, and ordinary identifier checks. However, the subscription example trusts a client-supplied identity and lacks room authorization, which can expose events if copied into production.
Confirmed security concerns (1)
Risk Factors
⚙️ External commands (9)
🌐 Network access (1)
🔑 Env variables (6)
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APA citation
sickn33. (2026). graphql security audit report (audit version 5) [Author version unspecified]. Skillstore. https://skillstore.io/skills/sickn33-graphql/audits/5BibTeX citation
@techreport{sickn33-sickn33-graphql-2026,
author = {sickn33},
title = {graphql security audit report (audit version 5)},
institution = {Skillstore},
year = {2026},
number = {5},
url = {https://skillstore.io/skills/sickn33-graphql/audits/5},
note = {Author version unspecified}
}CITATION.cff
cff-version: 1.2.0
message: "If you use this Skill, cite its author and this versioned security audit report."
title: "graphql security audit report (audit version 5)"
version: "unspecified"
type: report
authors:
- name: "sickn33"
date-released: "2026-07-24"
url: "https://skillstore.io/skills/sickn33-graphql/audits/5"
identifiers:
- type: other
value: "skillstore:sickn33-graphql:audit:5"
description: "Skillstore immutable audit report identifier"
Skillstore Score
Why this score Evidence Confidence: MediumWhat You Can Build
Design a New API
Create a typed schema with clear nullability, pagination, mutation payloads, and expected error unions.
Improve Resolver Performance
Identify N+1 behavior and introduce request-scoped DataLoader instances with correctly ordered results.
Integrate a Typed Client
Configure client caching and generate typed operations for a TypeScript application.
Try These Prompts
Design a GraphQL schema for [domain] with queries, mutations, pagination, intentional nullability, and expected error types.
Review these resolvers for N+1 queries and propose request-scoped DataLoader implementations that preserve result order: [resolvers].
Audit this GraphQL server for authorization, introspection, query depth, complexity, rate limits, and sensitive field exposure: [configuration].
Create a staged migration from [current architecture] to GraphQL federation, including ownership, entity boundaries, compatibility, observability, and rollback.
Best Practices
- Treat the schema as a versioned contract and design nullability intentionally.
- Create DataLoader instances per request to prevent cross-user cache leakage.
- Enforce authorization at resolver and sensitive-field boundaries.
Avoid
- Do not expose unbounded nested queries or large list fields.
- Do not rely only on schema directives for complex authorization.
- Do not trust subscription identity values supplied directly by clients.