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Authentication & Authorization Implementation Patterns · dicklesworthstone | DecimalAI

codingby dicklesworthstone

Authentication & Authorization Implementation Patterns

dicklesworthstone/auth-implementation-patterns

Source dicklesworthstone/pi_agent_rust ↗License NOASSERTION

Master authentication and authorization patterns including JWT, OAuth2, session management, and RBAC to build secure, scalable access control systems.

SkillScore76Maintained

Automatic

Coding pack

Last verified 8/29/2026

What it changes

Passed 19 of 25 test cases with the skill, and 17 of 25 without it.

Without skill68%

With skill76%

Checks it passed that the model alone missed

The login rate limiter max option is set to 5.
The JWT access token payload includes userId, email, and role.
The login rate limiter sets a maximum limit of 5 attempts per window.

3 fixed16 passed either way5 still failing1 broke

Pass-rate lift: +8 pp
Tokens: +176%
Agent turns: 0%
Response time: -10%

Model gemini-3.6-flashMeasured 8/29/2026v119 of 25 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/dicklesworthstone-auth-implementation-patterns/SKILL.md https://app.decimal.ai/s/dicklesworthstone-auth-implementation-patterns/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add dicklesworthstone-auth-implementation-patterns, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/dicklesworthstone-auth-implementation-patterns/ and pins it in .decimal/skills.lock

decimalai skills add dicklesworthstone-auth-implementation-patterns

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/dicklesworthstone-auth-implementation-patterns/SKILL.md https://app.decimal.ai/s/dicklesworthstone-auth-implementation-patterns/SKILL.md

Raw file: /s/dicklesworthstone-auth-implementation-patterns/SKILL.md ↗ · machine-readable summary at /s/dicklesworthstone-auth-implementation-patterns.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 3 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 3

Prompt

We need to secure our user authentication routes in Express. Could you provide a TypeScript example demonstrating password validation and rate-limiting setup? I want a Zod schema for validating user passwords, bcrypt utility functions for hashing and verifying passwords, an Express route handler for registering new users, and rate limiting middleware applied to authentication endpoints.

What was checked, without and with the skill
Checked	Without skill	With skill
The Zod schema enforces a minimum length of 12 characters for passwords.	Passed	Passed
The Zod schema uses regex methods to validate character composition requirements.	Passed	Passed
The login rate limiter sets a maximum limit of 5 attempts per window.	Missed	Passed

case-01 · gemini-3.6-flash · 8/29/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md642 linessingle file

Authentication & Authorization Implementation Patterns

Build secure, scalable authentication and authorization systems using industry-standard patterns and modern best practices.

When to Use This Skill

Implementing user authentication systems
Securing REST or GraphQL APIs
Adding OAuth2/social login
Implementing role-based access control (RBAC)
Designing session management
Migrating authentication systems
Debugging auth issues
Implementing SSO or multi-tenancy

Core Concepts

1. Authentication vs Authorization

Authentication (AuthN): Who are you?

Verifying identity (username/password, OAuth, biometrics)
Issuing credentials (sessions, tokens)
Managing login/logout

Authorization (AuthZ): What can you do?

Permission checking
Role-based access control (RBAC)
Resource ownership validation
Policy enforcement

2. Authentication Strategies

Session-Based:

Server stores session state
Session ID in cookie
Traditional, simple, stateful

Track record

Benchmark

19 / 25

test cases passed, vs 17 / 25 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/10/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

dicklesworthstone / pi_agent_rust

tests/ext_conformance/artifacts/agents-wshobson/developer-essentials/skills/auth-implementation-patterns/SKILL.md

View on GitHub ↗

License NOASSERTIONImported 8/10/2026Version v1

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See it in action

What's inside

Authentication & Authorization Implementation Patterns

When to Use This Skill

Core Concepts

1. Authentication vs Authorization

2. Authentication Strategies

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

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