Content
50%Weight 40%Scale 1-5Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
The body is a well-organized catalog of concrete, mostly executable pattern code, but it functions as an inlined code library rather than a skill: it spends most of its tokens on generic Python Claude could write itself, ships no reference files to split the bulk, and provides no sequenced workflow or validation checkpoints. Actionability is its strongest dimension; conciseness is its weakest.
Suggestions
Cut the generic, boilerplate classes (AgentLoop, Tool base class, CODING_AGENT_TOOLS dict) down to the non-obvious deltas — the genuinely novel patterns like the edit tool's occurrence-count validation and the approval manager's session caching — and trust Claude to write the scaffolding.
Move the browser automation, MCP integration, and context/checkpoint sections into references/ files (e.g. references/browser.md, references/mcp.md), keeping SKILL.md as a concise overview with one-level-deep, clearly signaled links.
Add a short sequenced workflow for assembling an agent (architecture → tools → permissions → sandbox → verify) with explicit validation checkpoints, and turn the unanchored Best Practices checklist items into verifiable steps.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The body is ~700 lines of generic Python (agent loop, tool schema, sandbox, checkpoint, MCP classes) that an intelligent model could write unaided — the skill restates patterns Claude already knows rather than adding non-obvious knowledge. Padded sections include the descriptive CODING_AGENT_TOOLS dict and near-boilerplate class scaffolding. Not a 1 because there is little concept-explaining prose; not a 3 because the volume of redundant code is substantial rather than incidental. | 2 / 5 |
Actionability | Most examples are concrete, near-executable code with real details — the edit tool validates occurrence counts before replacing, the sandbox validates paths and command allowlists, the approval manager caches per-session approvals. Not a 5 because examples depend on undefined imports/classes (ToolResult, playwright, base64, Any, `from mcp import Server`) and no runnable entry point ties them together; not a 3 because the guidance is well beyond pseudocode. | 4 / 5 |
Workflow Clarity | Numbered sections give an implicit order (architecture → tools → permissions → browser → context → MCP) and checklists exist, but there is no sequenced process for applying these patterns and no validation checkpoints or feedback loops — the checklists are unanchored "[ ]" items with no verification steps. Matches the 3 anchor (sequence present but checkpoints missing); a 4 would require most checkpoints being present. | 3 / 5 |
Progressive Disclosure | The body has clear section headers, but there are no bundle files at all — the entire pattern library (700+ lines) is inlined in SKILL.md, and content like the full browser-automation or MCP code clearly belongs in separate reference files. Matches the 3 anchor (some structure, but content that should be separate is inline). Not a 2 because headers and a resources section give reasonable navigation; not a 4 because nothing is split out despite clear candidates. | 3 / 5 |
Total | 12 / 20 Passed |