fastapi-backend
Build production-grade FastAPI backends with SQLModel, Pydantic, and JWT authentication. Use this skill when building REST APIs, integrating with Neon PostgreSQL, implementing Better Auth JWT verification, or creating CRUD endpoints. Includes patterns for audit logging, worker/agent parity, and OpenAPI documentation.
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Installation for Agentic Skill
View all platforms →skilz install mjunaidca/mjs-agent-skills/fastapi-backendskilz install mjunaidca/mjs-agent-skills/fastapi-backend --agent opencodeskilz install mjunaidca/mjs-agent-skills/fastapi-backend --agent codexskilz install mjunaidca/mjs-agent-skills/fastapi-backend --agent geminiFirst time? Install Skilz: pip install skilz
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git clone https://github.com/mjunaidca/mjs-agent-skillscp -r mjs-agent-skills/docs/taskflow-vault/skills/engineering/fastapi-backend ~/.claude/skills/Need detailed installation help? Check our platform-specific guides:
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Agentic Skill Details
- Repository
- mjs-agent-skills
- Stars
- 1
- Forks
- 2
- Type
- Technical
- Meta-Domain
- web api
- Primary Domain
- security
- Market Score
- 17
Agent Skill Grade
A Score: 95/100 Click to see breakdown
Score Breakdown
Areas to Improve
- Description needs trigger phrases
- Missing TOC in long files
- Incomplete template scaffolding
Recommendations
- Add trigger phrases to description for discoverability
- Add table of contents for files over 100 lines
Graded: 2026-01-24
Developer Feedback
I've been diving into backend frameworks lately, and I'm curious what led you to structure the FastAPI setup this way—the organization feels intentional. With a 95/100, there's clearly a solid foundation here; I'd like to understand the thinking behind some of the architectural choices.
Links:
The TL;DR
You're at 95/100, solidly in A territory. This is based on Anthropic's skills best practices rubric. Your strongest area is Utility (19/20)—the skill genuinely solves real problems with JWT/JWKS patterns and SQLModel async handling. The weakest spot is Spec Compliance (11/15), mainly because your description is missing trigger phrases that help developers discover the skill when they need it.
What's Working Well
Excellent layering in Progressive Disclosure: Your SKILL.md (645 lines) front-loads the essentials, then references deeper dives (jwt-verification.md, better-auth-sso-integration.md) for when people need them. That's the right balance.
Strong utility through real patterns: The skill addresses actual pain points—MissingGreenlet prevention with async sessions, proper JWKS endpoint verification, role-based access control. These aren't theoretical; they're problems people hit in production.
Self-documenting examples: Your code snippets include inline annotations explaining why things are structured a certain way, not just what they do. That's the difference between a reference and something someone can actually learn from.
Comprehensive error handling patterns: You're showing proper HTTP status codes, validation error formatting, and audit logging examples. That's the kind of defensive coding that catches bugs before they ship.
The Big On...
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