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date: 2026-06-22 tags: [harness, skills, web-env] status: active graduated_to:

A Skill launch that returns only "Launching…" hasn't given you the procedure — read the SKILL.md

Symptom — Ran the brainstorm flow and dropped its mandatory HTML+JSON review surface (built the problem/solution menus in chat instead), plus skipped the lens-selection prompt and the folder-as-state record.

Root cause — The Skill tool launch returned only Launching skill: brainstorm without injecting the SKILL.md body (unlike be-caveman, whose full body was injected). The flow was then reconstructed from parametric memory, which covers a generic double-diamond but not Tempo's bespoke mechanics (the review surface, playbook.md stage steps, the folder/frontmatter state).

Fix — When a Skill launch returns only "Launching…" and no procedure, immediately Read the skill's SKILL.md (plus what it points to — playbook.md, templates/) before acting. Never run a skill from recall.

Guard — Reinforces an existing standing rule rather than adding a new one: CLAUDE.md "Confidence is not evidence — never ship a decision on recall alone" and the brainstorm skill's own "each step re-read from its own file so the procedure never runs from memory" (#601). This entry is the concrete tactical trigger: no body on launch → open the file. Graduate into a skills rule if it recurs across other skills.