Content
50%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This skill provides a solid overview of context.Context best practices with good structure and clear references to deeper material. Its main weaknesses are: explaining concepts Claude already knows (the introductory definition), providing only one code example when several more are needed to make the rules actionable, and listing rules as a flat checklist rather than a sequenced workflow for designing context propagation. The progressive disclosure structure is reasonable but unverifiable without bundle files.
Suggestions
Add executable code examples for at least WithTimeout, WithCancel with defer cancel(), context values with unexported key types, and WithoutCancel — these are core patterns mentioned in the rules but not demonstrated.
Remove the introductory explanation of what context.Context is and the 'session' metaphor — Claude already knows this. Start directly with the best practices or the creation table.
Consolidate overlapping rules (e.g., rules 6 and 8 both say don't use context.Background() mid-request) and consider organizing them into a workflow: 'When designing context propagation: 1. Identify entry points → 2. Thread ctx through layers → 3. Add timeouts at boundaries → 4. Validate with linters.'
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The introductory sentence explaining what context.Context is ('Go's mechanism for propagating cancellation signals...') is unnecessary — Claude knows this. The 'Think of it as the session of a request' metaphor is also padding. The best practices list and table are efficient, but some rules are redundant (e.g., rules 6 and 8 overlap significantly). Overall mostly efficient but could be tightened. | 2 / 3 |
Actionability | The code example for context propagation is concrete and executable, and the table of context creation situations is useful. However, most of the 11 best practices are stated as rules without executable examples — only one good/bad code pair is provided. Key patterns like WithTimeout, WithCancel, context values with unexported keys, and WithoutCancel are mentioned but not demonstrated with code. | 2 / 3 |
Workflow Clarity | The best practices are listed as rules but there's no clear workflow for how to apply them when designing context propagation across layers. The numbered list reads as a checklist of dos/don'ts rather than a sequenced workflow. For a skill focused on 'designing context propagation across layers,' a step-by-step approach with validation (e.g., linter checks as verification) would be stronger. The linter mention at the end is a validation step but isn't integrated into a workflow. | 2 / 3 |
Progressive Disclosure | The deep dives section references three specific files (cancellation.md, values-tracing.md, http-services.md) with clear descriptions — good structure. However, no bundle files were provided, so these references cannot be verified. The cross-references to other skills are well-signaled. The main content itself could benefit from moving some of the 11 rules into the reference files to keep the overview leaner. | 2 / 3 |
Total | 8 / 12 Passed |