{"slug":"aspenkit-base","name":"base","description":"Core conventions, tech stack, and project structure for aspens","long_description":"---\nname: base\ndescription: Core conventions, tech stack, and project structure for aspens\ntriggers:\n  alwaysActivate: true\n---\n\nYou are working in **aspens** — a CLI that keeps coding-agent context accurate as your codebase changes. Scans repos, generates project-specific instructions and skills for Claude Code, Codex, and OpenCode CLI, and keeps them fresh.\n\n## Tech Stack\nNode.js 20+ (ESM) | Commander | Vitest | es-module-lexer | @clack/prompts | picocolors\n\n## Commands\n- `npm test` — Run vitest suite\n- `npm start` / `node bin/cli.js` — Run CLI\n- `aspens scan [path]` — Deterministic repo analysis (no LLM)\n- `aspens doc init [path]` — Generate skills + hooks + CLAUDE.md (`--target claude|codex|opencode`, `--recommended` for full recommended setup)\n- `aspens doc impact [path]` — Show freshness, coverage, and drift of generated context (`--apply` for auto-repair, `--backend`/`--model`/`--timeout`/`--verbose` for LLM interpretation)\n- `aspens doc sync [path]` — Incremental skill updates from git diffs\n- `aspens doc graph [path]` — Rebuild import graph cache (`.claude/graph.json`)\n- `aspens add <type> [name]` — Install templates (agents, commands, hooks)\n- `aspens customize agents` — Inject project context into installed agents\n- `aspens save-tokens [path]` — Install token-saving session settings (`--recommended` for no-prompt install, `--remove` to uninstall)\n- **Debug:** `ASPENS_DEBUG=1` dumps raw stream events to `$TMPDIR/aspens-debug-{stream,codex-stream}.json`\n- **Env knob:** `ASPENS_TIMEOUT` (seconds) overrides default LLM timeout when `--timeout` not passed\n\n## Architecture\nCLI entry (`bin/cli.js`) → command handlers (`src/commands/`) → lib modules (`src/lib/`)\n\n- `src/lib/scanner.js` — Deterministic repo scanner (languages, frameworks, domains, structure)\n- `src/lib/graph-builder.js` — Static import analysis via es-module-lexer (hub files, clusters, priority)\n- `src/lib/graph-persistence.js` — Graph serialization, subgraph extraction, code-map + index generation\n- `src/lib/runner.js` — Claude/Codex CLI wrapper (`runClaude` for stream-json, `runCodex` for Codex JSONL); also hosts `loadPrompt` (partial substitution) and `parseFileOutput`/`validateSkillFiles`\n- `src/lib/context-builder.js` — Assembles repo files into prompt-friendly context\n- `src/lib/skill-writer.js` — Writes skill files and directory-scoped files, generates skill-rules.json, merges settings\n- `src/lib/skill-reader.js` — Parses skill files, frontmatter, `triggers:` blocks, legacy activation patterns, keywords\n- `src/lib/diff-classifier.js` — Maps changed files to affected skills for doc-sync\n- `src/lib/diff-helpers.js` — Targeted file diffs and prioritized diff truncation for doc-sync\n- `src/lib/git-helpers.js` — Git repo detection, git root resolution, diff retrieval, log formatting\n- `src/lib/git-hook.js` — Post-commit git hook installation/removal for auto doc-sync (monorepo-aware)\n- `src/lib/impact.js` — Context health analysis: domain coverage, hub surfacing, drift detection, hook health, save-tokens health, usefulness summary, value comparison, opportunities\n- `src/lib/save-tokens.js` — Save-tokens config defaults, settings builders, gitignore/readme generators\n- `src/lib/timeout.js` — Timeout resolution (`--timeout` flag > `ASPENS_TIMEOUT` env > default)\n- `src/lib/errors.js` — `CliError` class (structured errors caught by CLI top-level handler)\n- `src/lib/target.js` — Target definitions (claude/codex), config persistence (`.aspens.json`) with `saveTokens` feature config; `getAllowedPaths` for multi-target sanitization\n- `src/lib/target-transform.js` — Transforms Claude-format output to other target formats\n- `src/lib/backend.js` — Backend detection and resolution (which CLI generates content)\n- `src/lib/path-resolver.js` / `src/lib/source-exts.js` — Source-file extension and path resolution helpers shared by scanner/graph\n- `src/lib/parsers/` — Language-specific import parsers (TypeScript, Python)\n- `src/lib/frameworks/` — Framework-specific detectors (e.g. Next.js)\n- `src/prompts/` — Prompt templates with `{{partial}}` and `{{variable}}` substitution\n- `src/templates/` — Bundled agents, commands, hooks, and settings for `aspens add` / `doc init` / `save-tokens`\n\n## Critical Conventions\n- **Pure ESM** — `\"type\": \"module\"` throughout; use `import`/`export`, never `require()`\n- **es-module-lexer WASM** — must `await init` before calling `parse()` in graph-builder\n- **Claude CLI execution** — `runClaude()` spawns `claude -p` with stream-json; always use `--verbose` flag with stream-json\n- **Codex CLI execution** — `runCodex()` spawns `codex exec --json --sandbox read-only --ask-for-approval never --ephemeral`; returns `{ text, usage }` matching `runClaude` interface\n- **Stdin with backpressure** — `runClaude`/`runCodex` pipe prompts via stdin and respect `drain` when `write()` returns false; never rewrite to use args (shell length limits)\n- **Path sanitization** — `parseFileOutput()` restricts writes to `.claude/` and `CLAUDE.md` by default; accepts `allowedPaths` override for multi-target via `getAllowedPaths(targets)`\n- **Read-only LLM tools** — customize-style commands pass `allowedTools: ['Read', 'Glob', 'Grep']`; never broaden without review\n- **Prompt partials** — `{{name}}` in prompt files resolves to `src/prompts/partials/name.md` first, then falls back to template variables\n- **Target/Backend distinction** — Target = output format/location; Backend = which LLM CLI generates content. Config persisted in `.aspens.json`. Customize is Claude-only (`CliError` if `targets: ['codex']`)\n- **Scanner is deterministic** — no LLM calls; pure filesystem analysis\n- **CliError pattern** — command handlers throw `CliError` instead of calling `process.exit()`; caught at top level in `bin/cli.js`\n- **Monorepo support** — `getGitRoot()` resolves the actual git root; hooks, sync, and impact scope to the subdirectory project path\n- **Verify before claiming** — Never state something is configured/running/done without confirming in-session\n\n## Structure\n- `bin/` — CLI entry point (commander setup, CliError handler)\n- `src/commands/` — Command handlers (scan, doc-init, doc-impact, doc-sync, doc-graph, add, customize, save-tokens)\n- `src/lib/` — Core library modules\n- `src/prompts/` — Prompt templates + partials\n- `src/templates/` — Installable agents, commands, hooks, settings\n- `tests/` — Vitest test files\n\n---\n**Last Updated:** 2026-05-11\n","tagline":"Core conventions, tech stack, and project structure for aspens","category":"automation","tags":["agent-skill"],"author":"aspenkit","verified":false,"attribution":{"status":"registry_indexed","statusLabel":"Registry indexed","shortLabel":"REGISTRY INDEXED","sourceLabel":"github candidate review","sourceDetail":"aspenkit/aspens","creatorName":"aspenkit","creatorUrl":"https://github.com/aspenkit","sourceUrl":"https://github.com/aspenkit/aspens/tree/main/.claude/skills/base","indexedBy":"OpenAgentSkill community index","claimUrl":"https://www.openagentskill.com/skills/aspenkit-base#claim-this-skill","claimCta":"Claim this skill","trustNote":"This listing was indexed from public sources and is not marked official until a maintainer claim is approved.","publicNote":"Attribution links to the public repository or creator profile. Creators can claim the listing to update ownership signals."},"stats":{"stars":99,"forks":6,"verified_installs":0,"successful_runs":0,"total_outcomes":0,"rating":0,"review_count":0,"quality_score":37.4},"quality":{"score":67,"tier":"promising","label":"Promising","summary":"Useful candidate, but compare it with alternatives before adopting.","signals":[{"label":"GitHub stars","value":"99","tone":"neutral"},{"label":"Freshness","value":"24d ago","tone":"positive"},{"label":"Install ready","value":"Yes","tone":"positive"},{"label":"License","value":"MIT","tone":"neutral"}],"warnings":[]},"trust":{"version":"trust-score-v5","score":62,"base_score":70,"outcome_confidence":0,"tier":"review","label":"Sandbox only","summary":"Useful candidate with missing or mixed trust signals. 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Review the current source before installing.","installSafety":"standard package or runtime install path","permissionSurface":"secrets or environment access, shell or command execution","documentation":"Usable metadata, review docs","agentOutcomes":"No agent outcome data yet","agentProvenScore":0,"outcomeConfidence":"0%","installPolicy":"human_review_before_install"},"installReadiness":{"ready":false,"command":null,"policy":"human_review_before_install","label":"Human review before install","notes":["The tracked source changed or could not be synchronized. Review the current source before installing.","Repository evidence is available","License is declared","No Agent Proven outcome evidence yet","24d since push","Trust Score v5 requires review or sandbox-only use before install."]},"agentCompatibility":["Codex","Claude Code","Cursor","OpenAgentSkill CLI"],"riskSummary":{"level":"medium","label":"Review before production","notes":["Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","GitHub adoption: 99 GitHub stars","Stars/forks activity: 99 stars, 6 forks; issue activity unavailable in current metadata","Dependency/runtime risk: command execution surface, credential or environment access"]},"outcomeEvidence":{"total":0,"successes":0,"failures":0,"notRelevant":0,"successRate":null,"installAttempts":0,"riskBlocked":0,"setupRequired":0,"installSuccessRate":null,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"recentSuccessRate":null,"recentFailureRate":null,"uniqueAgents":0,"agentProvenScore":0,"agentProvenLabel":"Needs first agent run","lastOutcomeAt":null,"label":"No agent outcome data yet"},"autoInstall":{"allowed":false,"sandboxRequired":true,"policy":"human_review_before_install","reason":"Compare alternatives before installing."},"outcome_loop":{"version":"openagentskill-agent-outcome-v4","required_after_install":true,"endpoint":"/api/agent/outcome","method":"POST","event_id_source":"feedback.event_id, install_receipt.resolve_event_id, or decision_packet.outcome_feedback.event_id","expected_outcomes":["success","failed","not_relevant","blocked_by_risk","setup_required"],"required_fields":["event_id","skill_slug","task"],"quality_fields":["task_success","output_quality","error_type","human_review_required","used_in_production","workspace","evidence_url","time_to_useful_ms","source_version"],"ranking_inputs_updated":["Trust Score v5 outcome confidence","Agent Proven Score","Resolve ranking task-fit evidence","Skill detail machine-readable metadata","Outcome leaderboard"]},"agent_contract":{"suited_tasks":["automation","agent-skill"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI"],"install_command":null,"trust_score":62,"trust_version":"trust-score-v5","risk_level":"medium","do_not_use_when":["Production credentials, payments, or irreversible account changes without explicit human review","Sensitive private data before reviewing repository code, license, and permission surface","Automatic installation in a production workspace"],"before_install":["Read the audit page and machine-readable metadata.","Confirm the install command, license, and permission surface fit the workspace.","Get explicit human approval or choose an alternative before installing."],"after_run":["Report the outcome to /api/agent/outcome using the resolve event id.","Include output_quality, workspace, human_review_required, and evidence_url when available.","Re-resolve before broad production rollout."]},"bestFor":["automation","agent-skill"],"doNotUseFor":["Production credentials, payments, or irreversible account changes without explicit human review","Sensitive private data before reviewing repository code, license, and permission surface","Automatic installation in a production workspace"],"knownRisks":["Quality score needs review","Permission surface needs review: secrets or environment access, shell or command execution","GitHub adoption: 99 GitHub stars","Stars/forks activity: 99 stars, 6 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"],"backward_compatible":{"trust_score_v4":{"version":"trust-score-v4","score":70,"tier":"review","label":"Manual review","summary":"Potentially useful, but at least one trust signal needs human inspection."}}},"trust_score_v5":{"version":"trust-score-v5","score":62,"base_score":70,"outcome_confidence":0,"tier":"review","label":"Sandbox only","summary":"Useful candidate with missing or mixed trust signals. Keep it in an isolated workspace until the outcome loop proves task fit.","recommendedAction":"Run only in a sandbox and compare close alternatives before using it for real work.","decision":{"install_policy":"human_review_before_install","auto_install_allowed":false,"human_review_required":true,"sandbox_first":true,"agent_action":"Compare alternatives before installing.","reasoning":["62/100 Trust Score v5","70/100 Trust Score v4 baseline","Needs more real agent outcomes before unattended install","Install path is missing","Review before production"],"review_required_when":["The workspace contains production secrets, payments, private customer data, or irreversible actions.","The install command requests shell, network, credential, database, or broad filesystem access.","Outcome evidence is missing, recently failed, or required human review.","Production credentials, payments, or irreversible account changes without explicit human review","Sensitive private data before reviewing repository code, license, and permission surface","Automatic installation in a production workspace"]},"dimensions":[{"id":"github_adoption","label":"GitHub adoption","score":48,"weight":0.13,"status":"warn","detail":"99 GitHub stars"},{"id":"repo_activity","label":"Stars/forks activity","score":43,"weight":0.08,"status":"warn","detail":"99 stars, 6 forks; 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