workers-migration
Migrate to Cloudflare Workers from AWS Lambda, Vercel, Express, and Node.js. Use when porting existing applications to the edge, adapting serverless functions, or resolving Node.js API compatibility issues.
Install with Tessl CLI
npx tessl i github:secondsky/claude-skills --skill workers-migrationOverall
score
92%
Does it follow best practices?
Validation for skill structure
Discovery
100%Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.
This is a well-crafted skill description that excels across all dimensions. It uses third person voice, lists specific source platforms and target environment, includes a clear 'Use when...' clause with natural trigger terms, and carves out a distinct niche for Cloudflare Workers migration specifically.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Lists multiple specific concrete actions: 'Migrate to Cloudflare Workers from AWS Lambda, Vercel, Express, and Node.js' and mentions specific tasks like 'porting existing applications', 'adapting serverless functions', and 'resolving Node.js API compatibility issues'. | 3 / 3 |
Completeness | Clearly answers both what ('Migrate to Cloudflare Workers from AWS Lambda, Vercel, Express, and Node.js') and when ('Use when porting existing applications to the edge, adapting serverless functions, or resolving Node.js API compatibility issues') with explicit trigger guidance. | 3 / 3 |
Trigger Term Quality | Excellent coverage of natural terms users would say: 'Cloudflare Workers', 'AWS Lambda', 'Vercel', 'Express', 'Node.js', 'edge', 'serverless functions', 'porting', 'migrate'. These are all terms developers naturally use when discussing migration tasks. | 3 / 3 |
Distinctiveness Conflict Risk | Very clear niche focused specifically on Cloudflare Workers migration from named platforms. The combination of source platforms (AWS Lambda, Vercel, Express, Node.js) and target (Cloudflare Workers) creates distinct triggers unlikely to conflict with general serverless or deployment skills. | 3 / 3 |
Total | 12 / 12 Passed |
Implementation
87%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is a high-quality migration skill that efficiently covers multiple source platforms with concrete, actionable guidance. The decision tree, comparison tables, and before/after code examples are excellent. The main weakness is the migration checklist lacks explicit validation/verification steps between stages, which is important for potentially breaking changes.
Suggestions
Add validation checkpoints to the migration checklist (e.g., 'After step 3, run wrangler dev and verify basic functionality before proceeding')
Include a rollback or error recovery note for when migrations fail mid-process
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | Extremely efficient use of tokens with decision trees, tables, and code examples. No unnecessary explanations of concepts Claude already knows - jumps straight to actionable migration patterns. | 3 / 3 |
Actionability | Provides fully executable before/after code examples for Lambda, Express, and environment variables. The error table gives specific solutions, and the migration checklist provides concrete steps. | 3 / 3 |
Workflow Clarity | The migration checklist provides a clear sequence, but lacks explicit validation checkpoints or feedback loops. For migration operations that could break applications, there should be verification steps between stages. | 2 / 3 |
Progressive Disclosure | Excellent structure with clear overview content and well-signaled one-level-deep references. The 'When to Load References' table explicitly guides when to access detailed materials, and 'See Also' provides clear navigation. | 3 / 3 |
Total | 11 / 12 Passed |
Validation
81%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 13 / 16 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
metadata_version | 'metadata' field is not a dictionary | Warning |
license_field | 'license' field is missing | Warning |
frontmatter_unknown_keys | Unknown frontmatter key(s) found; consider removing or moving to metadata | Warning |
Total | 13 / 16 Passed | |
- Reviewed
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