Trellis before dev
Skill lifan-builds/context-harness/.agents/skills/trellis-before-dev
Lightweight durable context for AI coding agents: 4 files, 9 rules, companion skills, and scripts that let agents self-iterate inside your workflow.
npx -y skills add lifan-builds/context-harness --skill trellis-before-devAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.
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What its author says it does
Copied from the file, not written here
Discovers and injects project-specific coding guidelines from .trellis/spec/ before implementation begins. Reads spec indexes, pre-development checklists, and shared thinking guides for the target package. Use when starting a new coding task, before writing any code, switching to a different package, or needing to refresh project conventions and standards.
SKILL.md
1.8 KB, 343 tokens by cl100k_base, as published. Nobody here has run it
Read the relevant development guidelines before starting your task.
Execute these steps:
-
Read current task artifacts:
prd.mdfor requirements and acceptance criteriadesign.mdif present for technical designimplement.mdif present for execution order and validation plan
-
Discover packages and their spec layers:
python3 ./.trellis/scripts/get_context.py --mode packages -
Identify which specs apply to your task based on:
- Which package you're modifying (e.g.,
cli/,docs-site/) - What type of work (backend, frontend, unit-test, docs, etc.)
- Any spec/research paths referenced by the task artifacts
- Which package you're modifying (e.g.,
-
Read the spec index for each relevant module:
cat .trellis/spec/<package>/<layer>/index.mdFollow the "Pre-Development Checklist" section in the index.
-
Read the specific guideline files listed in the Pre-Development Checklist that are relevant to your task. The index is NOT the goal — it points you to the actual guideline files (e.g.,
error-handling.md,conventions.md,mock-strategies.md). Read those files to understand the coding standards and patterns. -
Always read shared guides:
cat .trellis/spec/guides/index.md -
Understand the coding standards and patterns you need to follow, then proceed with your development plan.
This step is mandatory before writing any code.
What ships with it
Read from the repository
Just SKILL.md. No reference files, no scripts.