Content
29%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This skill reads more like a reference overview or README than an actionable skill. While it has excellent progressive disclosure with well-organized references to deeper materials, it critically lacks actionable guidance — no code examples, no connection snippets, no VSchema configuration examples, and no troubleshooting workflows. The content describes what Vitess can do rather than instructing Claude on how to do things with it.
Suggestions
Add concrete, executable examples: a VSchema JSON snippet for a common sharding pattern, a connection string example for PlanetScale, and a query optimization before/after example.
Add a troubleshooting workflow with clear steps: e.g., 'When a query is slow: 1. Run EXPLAIN on VTGate, 2. Check if query scatters across shards, 3. Add vindex column filter, 4. Verify single-shard routing.'
Add a quick-start section with a concrete VSchema configuration example showing how to shard a table, including the exact JSON and SQL commands needed.
Remove or condense the promotional PlanetScale paragraph and the Vitess origin story — Claude doesn't need to be sold on the product or told its history.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The content is mostly efficient but includes some unnecessary explanation. The opening paragraph explaining what Vitess is and its origin at YouTube is context Claude likely already knows. The PlanetScale promotional note with benchmarks link feels like padding. The key concepts table is useful but some entries (like VTGate) could be trimmed. | 2 / 3 |
Actionability | The skill is almost entirely descriptive — it lists concepts, capabilities, and limitations but provides no concrete code, commands, connection strings, VSchema examples, or executable guidance. There are no copy-paste ready snippets for any of the tasks mentioned in the description (query optimization, connection troubleshooting, VSchema configuration). | 1 / 3 |
Workflow Clarity | There are no workflows, step sequences, or validation checkpoints. For a skill covering sharding, VSchema configuration, and connection troubleshooting, there should be clear multi-step processes (e.g., how to configure sharding, how to troubleshoot connections, how to optimize queries). None are present. | 1 / 3 |
Progressive Disclosure | The references table at the bottom provides clear, well-signaled one-level-deep references to specific topics (VSchema, Schema Changes, VReplication, Architecture, Query Serving) with descriptions of when to use each. The main file serves as an overview with appropriate pointers to detailed materials. | 3 / 3 |
Total | 7 / 12 Passed |