etag-handler

Etag Handler - Auto-activating skill for API Development. Triggers on: etag handler, etag handler Part of the API Development skill category.

1.00x

Quality

Does it follow best practices?

Impact

100%

1.00x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./planned-skills/generated/15-api-development/etag-handler/SKILL.md

Evaluation results

100%

Product Catalog API: Bandwidth Reduction with HTTP Caching

ETag conditional GET caching

Criteria

Without context

With context

ETag header present

100%

ETag value is hash-based

100%

If-None-Match handled

100%

304 Not Modified returned

100%

200 on mismatch

100%

curl test script present

100%

curl script captures ETag

100%

ETag format valid

100%

Production-ready server

100%

Inventory Management: Prevent Lost Updates on Concurrent Edits

Optimistic concurrency with ETag

Criteria

Without context

With context

ETag on GET response

100%

If-Match checked on PUT

100%

412 on ETag mismatch

100%

200 on ETag match

100%

ETag updated after write

100%

Missing If-Match handled

100%

curl test script present

100%

curl script shows rejection

100%

ETag is content-derived

100%

API Gateway: Formal ETag Contract in OpenAPI Specification

OpenAPI ETag documentation

Criteria

Without context

With context

OpenAPI 3.0 format

100%

ETag response header documented

100%

If-None-Match parameter documented

100%

304 response documented

100%

If-Match parameter documented

100%

412 response documented

100%

Server implements ETag

100%

curl test script present

100%

Valid YAML structure

100%

Repository: jeremylongshore/claude-code-plugins-plus-skills
Commit: b8a3b3e

Evaluated: 26 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Product Catalog API: Bandwidth Reduction with HTTP Caching Inventory Management: Prevent Lost Updates on Concurrent Edits API Gateway: Formal ETag Contract in OpenAPI Specification

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