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agent-customization

LLM-powered injection of project context into installed agent templates via `aspens customize agents`

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Prix non confirmé★ 100 Stars GitHubRegistre mis à jour · 21 sept. 2026agent-skill

Vue d’ensemble

LLM-powered injection of project context into installed agent templates via `aspens customize agents`

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Documentation source, pas des instructions pour ce site. Vérifiez les permissions avant d’exécuter des commandes.

You are working on agent customization — the feature that reads a project's skills and CLAUDE.md, then uses Claude CLI to inject project-specific context into generic agent files in .claude/agents/.

Domain purpose

aspens customize agents makes generic, bundled agent templates project-aware. It pulls the repo's skills + CLAUDE.md as ground truth and asks Claude to add a tech-stack line, 3-5 project conventions, and real commands into each agent — without touching the agent's core logic.

Business rules / invariants

Claude-only feature. Throws CliError for Codex-only repos (config.targets === ['codex']). Codex CLI has no agent concept.
Base skill is required. Pre-flight throws CliError("Run 'aspens doc init' first — base skill is required for agent context.") if .claude/skills/base/skill.md is missing.
Skills (.claude/skills/**) are the single source of truth for project context. The prompt must not invent other context directories.
Read-only tools only. Claude is invoked with allowedTools: ['Read', 'Glob', 'Grep'] — no edits/writes from the LLM itself.
Output paths restricted to .claude/. parseFileOutput() rejects anything else; writeSkillFiles(..., { force: true }) does the actual write.

Non-obvious behaviors

Frontmatter preservation is split across LLM + code. The prompt instructs Claude to preserve YAML frontmatter verbatim (including NOT adding a skills: line). Then maybeInjectBaseSkill() post-processes each returned file to add skills: [base] into the frontmatter — this keeps agents valid even when installed via aspens add agent without a prior doc init.
--reset semantics: without --reset, agents that already declare skills: are left alone; with --reset, any existing skills: line is overwritten to skills: [base]. Used to roll out v0.8 upgrades to previously-customized agents.
## Project context block is verbatim-preserved by the prompt — it carries conditional read instructions for code-map / domain skills.
CLAUDE.md is truncated at 3000 chars in gatherProjectContext(); skills are passed in full.
Agent discovery: findAgents() recursively walks .claude/agents/, extracts name: via regex, falls back to filename if missing.
Default timeout 300s via resolveTimeout(options.timeout, 300); ASPENS_TIMEOUT env var honored with warning on invalid value.

Critical files (purpose, not inventory)

src/commands/customize.js — orchestrator: preflight, agent discovery, context gathering, per-agent Claude calls, post-LLM skills: [base] injection, write.
src/prompts/customize-agents.md — system prompt; enforces frontmatter + ## Project context preservation and bans file-inventory / hub-ranking output.

Critical Rules

Never let the LLM emit a skills: line — the prompt forbids it and the code adds it. If you change one, change both.
Never weaken path sanitization — only .claude/ paths may be written.
Never duplicate file-inventory or hub-ranking output in customized agents — the graph hook supplies that dynamically.
Do not bypass the base-skill preflight — agents without base context regress to generic behavior.

Last Updated: 2026-05-11

Voir la source ↗

Métadonnées du fichier

name: agent-customization
description: LLM-powered injection of project context into installed agent templates via `aspens customize agents`
triggers:
  files:
    - src/commands/customize.js
    - src/prompts/customize-agents.md
  keywords:
    - customize
    - agents
    - subagent
    - agent customization

Voir le texte original

---
name: agent-customization
description: LLM-powered injection of project context into installed agent templates via `aspens customize agents`
triggers:
  files:
    - src/commands/customize.js
    - src/prompts/customize-agents.md
  keywords:
    - customize
    - agents
    - subagent
    - agent customization
---

You are working on **agent customization** — the feature that reads a project's skills and CLAUDE.md, then uses Claude CLI to inject project-specific context into generic agent files in `.claude/agents/`.

## Domain purpose
`aspens customize agents` makes generic, bundled agent templates project-aware. It pulls the repo's skills + CLAUDE.md as ground truth and asks Claude to add a tech-stack line, 3-5 project conventions, and real commands into each agent — without touching the agent's core logic.

## Business rules / invariants
- **Claude-only feature.** Throws `CliError` for Codex-only repos (`config.targets === ['codex']`). Codex CLI has no agent concept.
- **Base skill is required.** Pre-flight throws `CliError("Run 'aspens doc init' first — base skill is required for agent context.")` if `.claude/skills/base/skill.md` is missing.
- **Skills (`.claude/skills/**`) are the single source of truth** for project context. The prompt must not invent other context directories.
- **Read-only tools only.** Claude is invoked with `allowedTools: ['Read', 'Glob', 'Grep']` — no edits/writes from the LLM itself.
- **Output paths restricted to `.claude/`.** `parseFileOutput()` rejects anything else; `writeSkillFiles(..., { force: true })` does the actual write.

## Non-obvious behaviors
- **Frontmatter preservation is split across LLM + code.** The prompt instructs Claude to preserve YAML frontmatter verbatim (including NOT adding a `skills:` line). Then `maybeInjectBaseSkill()` post-processes each returned file to add `skills: [base]` into the frontmatter — this keeps agents valid even when installed via `aspens add agent` without a prior `doc init`.
- **`--reset` semantics:** without `--reset`, agents that already declare `skills:` are left alone; with `--reset`, any existing `skills:` line is overwritten to `skills: [base]`. Used to roll out v0.8 upgrades to previously-customized agents.
- **`## Project context` block is verbatim-preserved** by the prompt — it carries conditional read instructions for code-map / domain skills.
- **CLAUDE.md is truncated at 3000 chars** in `gatherProjectContext()`; skills are passed in full.
- **Agent discovery:** `findAgents()` recursively walks `.claude/agents/`, extracts `name:` via regex, falls back to filename if missing.
- **Default timeout 300s** via `resolveTimeout(options.timeout, 300)`; `ASPENS_TIMEOUT` env var honored with warning on invalid value.

## Critical files (purpose, not inventory)
- `src/commands/customize.js` — orchestrator: preflight, agent discovery, context gathering, per-agent Claude calls, post-LLM `skills: [base]` injection, write.
- `src/prompts/customize-agents.md` — system prompt; enforces frontmatter + `## Project context` preservation and bans file-inventory / hub-ranking output.

## Critical Rules
- **Never let the LLM emit a `skills:` line** — the prompt forbids it and the code adds it. If you change one, change both.
- **Never weaken path sanitization** — only `.claude/` paths may be written.
- **Never duplicate file-inventory or hub-ranking output** in customized agents — the graph hook supplies that dynamically.
- **Do not bypass the base-skill preflight** — agents without base context regress to generic behavior.

---
**Last Updated:** 2026-05-11

Examiner la source

Prix et coûts d’utilisation

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Licence: MIT
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Source à réexaminer

La source a changé ou sa synchronisation a échoué. Vérifiez-la avant installation.

Réviser avant installation: Éviter l’installation automatique

Licence: MIT

Dependency or permission surface needs review
Permission surface may require sandboxing
Financial research output is not financial advice; require human review before any live investment decision
The SKILL.md does not explicitly mention prerequisites like the Claude CLI being installed or the ASPENS environment setup, which could lead to confusion for agents unfamiliar with the tool.
The 'triggers' section lists specific files and keywords, but the skill does not describe how to handle cases where those files are absent or the feature is invoked differently.
Financial research output is not financial advice; require human review before any live investment decision.
Quality score needs review
Permission surface needs review: secrets or environment access, shell or command execution
Stars/forks activity: 100 stars, 7 forks; issue activity unavailable in current metadata
Dependency/runtime risk: command execution surface, credential or environment access
Permission surface: secrets or environment access, shell or command execution

Ouvrir l’audit complet

Les outils sont des indications de métadonnées, pas une compatibilité testée. Les prompts sont des suggestions.

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1Lisez la source et confirmez entrées, résultats, dépendances et permissions.
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3Vérifiez résultats et fichiers modifiés. Signalez uniquement ce qui a été exécuté et conservez la révision source.

Vérifiez les dépendances, clés API et frais externes dans la source. Un dépôt public ne rend pas tous les services gratuits.

Source et conseils d’utilisation

Répertorié

Métadonnées et examens sont indicatifs. Popularité, découverte et exécution réussie sont des faits distincts.

Dépôt source: aspenkit/aspens
Licence: MIT
Version: 1.0.0
Dernier push GitHub: 12 sept. 2026
Registre mis à jour: 21 sept. 2026
Chemin des instructions: .claude/skills/agent-customization/skill.md @ aea54585f728

Version déclarée dans le registre ; vérifiez les versions de la source.

Qualité

67/100

Prometteur

Confiance

59/100

Do not auto-install

Audit

75/100

Revue nécessaire

Ouvrir l’audit complet Voir le rapport d’évaluation

Dependency or permission surface needs review
Permission surface may require sandboxing
Financial research output is not financial advice; require human review before any live investment decision
The SKILL.md does not explicitly mention prerequisites like the Claude CLI being installed or the ASPENS environment setup, which could lead to confusion for agents unfamiliar with the tool.
The 'triggers' section lists specific files and keywords, but the skill does not describe how to handle cases where those files are absent or the feature is invoked differently.
Financial research output is not financial advice; require human review before any live investment decision.
Quality score needs review
Permission surface needs review: secrets or environment access, shell or command execution
Stars/forks activity: 100 stars, 7 forks; issue activity unavailable in current metadata
Dependency/runtime risk: command execution surface, credential or environment access
Permission surface: secrets or environment access, shell or command execution

Verified installs: —
Résultats: —

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Plus de détails

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Créateur: aspenkit
Source: aspenkit/aspens
Indexé par: Index communautaire OpenAgentSkill

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