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fastapi-templates

Create production-ready FastAPI projects with async patterns, dependency injection, and comprehensive error handling. Use when building new FastAPI applications or setting up backend API projects.

78

1.21x
Quality

68%

Does it follow best practices?

Impact

100%

1.21x

Average score across 3 eval scenarios

SecuritybySnyk

Passed

No findings from the security scan

Fix and improve this skill with Tessl

tessl review fix ./tests/ext_conformance/artifacts/agents-wshobson/api-scaffolding/skills/fastapi-templates/SKILL.md

The canonical home for this skill is fastapi-templates in wshobson/agents

SKILL.md
Quality
Evals
Security

Quality

Content

53%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The content is highly actionable with concrete, executable FastAPI code across all layers, but it suffers from inlined boilerplate, deprecated API usage, missing workflow validation checkpoints, and dangling references to bundle files that are not present.

Suggestions

Add explicit validation checkpoints to the build workflow (e.g., 'run `pytest` after implementing each layer', 'verify the app starts with `uvicorn` before adding endpoints') so database-driven changes are verified before proceeding.

Provide the referenced bundle files (references/fastapi-architecture.md, references/async-best-practices.md, references/testing-strategies.md, assets/project-template/, assets/docker-compose.yml) or remove the dangling Resources pointers, and move the bulk inlined boilerplate into them to slim SKILL.md into an overview.

Update code examples to current APIs: Pydantic v2 model_dump() instead of .dict(), datetime.now(timezone.utc) instead of datetime.utcnow(), sqlalchemy.orm.DeclarativeBase instead of the legacy declarative_base import, and the modern httpx AsyncClient transport pattern instead of AsyncClient(app=app).

DimensionReasoningScore

Conciseness

The body is mostly efficient executable code with little prose padding, but it inlines ~560 lines of standard boilerplate (CRUD repos, JWT auth, password hashing) that Claude largely already knows and that could be tightened or externalized into bundle files.

3 / 5

Actionability

Provides fully executable, copy-paste-ready code covering the common cases (full app, CRUD repo, service layer, endpoints, JWT auth, tests), but several snippets use deprecated APIs (Pydantic .dict(), datetime.utcnow(), declarative_base import path, AsyncClient(app=...)) that introduce minor gaps.

4 / 5

Workflow Clarity

A rough build-up sequence exists (structure -> DI -> async -> app -> repos -> services -> endpoints -> auth -> tests) but there are no explicit validation checkpoints or feedback loops, and because the skill drives database operations the missing validation cap of 3 applies.

3 / 5

Progressive Disclosure

Section structure is reasonable and a Resources section signals references, but none of the referenced bundle files (references/*.md, assets/project-template/, assets/docker-compose.yml) actually exist in the skill, and the bulk of detailed code is inlined rather than split into those files.

2 / 5

Total

12

/

20

Passed

Description

83%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A strong, well-formed description that clearly states capabilities and explicit use-when triggers tied to the FastAPI niche. It is concise and largely free of fluff, with only minor room to add synonyms and tighten the slightly broad 'backend API projects' phrasing.

DimensionReasoningScore

Specificity

Names several concrete capabilities ('async patterns, dependency injection, and comprehensive error handling') alongside the core 'Create production-ready FastAPI projects' action, but these read more as feature areas than a comprehensive discrete-action list, so it stops short of a 5.

4 / 5

Completeness

Explicitly answers both 'what' (create production-ready FastAPI projects with async/DI/error handling) and 'when' ('Use when building new FastAPI applications or setting up backend API projects') with concrete trigger phrases, matching the top anchor.

5 / 5

Trigger Term Quality

Includes natural phrases a user would say ('new FastAPI applications', 'setting up backend API projects') with good coverage, but lacks common synonyms like 'REST API' or 'Python web service' that would push it to 5.

4 / 5

Distinctiveness Conflict Risk

Tightly scoped to the named FastAPI framework with distinct triggers, but 'setting up backend API projects' is slightly broad and could overlap with general backend-scaffolding skills, keeping it just below a 5.

4 / 5

Total

17

/

20

Passed

Validation

87%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation14 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

skill_md_line_count

SKILL.md is long (568 lines); consider splitting into references/ and linking

Warning

referenced_paths_exist

Referenced path issues: 5 missing

Warning

Total

14

/

16

Passed

Repository
Dicklesworthstone/pi_agent_rust
Reviewed

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