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archive/inactive-skills/evolver/README.md
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archive/inactive-skills/evolver/README.md
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# 🧬 Capability Evolver
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[Chinese Docs](README.zh-CN.md)
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**"Evolution is not optional. Adapt or die."**
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**Three lines**
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- **What it is**: A protocol-constrained self-evolution engine for AI agents.
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- **Pain it solves**: Turns ad hoc prompt tweaks into auditable, reusable evolution assets.
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- **Use in 30 seconds**: `node index.js` to generate a GEP-guided evolution prompt.
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Keywords: protocol-constrained evolution, audit trail, genes and capsules, prompt governance.
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## Try It Now (Minimal)
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```bash
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node index.js
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```
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## What It Does
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The **Capability Evolver** inspects runtime history, extracts signals, selects a Gene/Capsule, and emits a strict GEP protocol prompt to guide safe evolution.
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## Who This Is For / Not For
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**For**
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- Teams maintaining agent prompts and logs at scale
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- Users who need auditable evolution traces (Genes, Capsules, Events)
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- Environments requiring deterministic, protocol-bound changes
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**Not For**
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- One-off scripts without logs or history
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- Projects that require free-form creative changes
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- Systems that cannot tolerate protocol overhead
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## Features
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- **Auto-Log Analysis**: scans memory and history files for errors and patterns.
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- **Self-Repair Guidance**: emits repair-focused directives from signals.
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- **GEP Protocol**: standardized evolution with reusable assets.
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- **Mutation + Personality Evolution (GEP v1.4)**: each evolution run is gated by an explicit Mutation object and an evolvable PersonalityState.
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- **One-Command Evolution**: `node index.js` to generate the prompt.
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## Typical Use Cases
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- Harden a flaky agent loop by enforcing validation before edits
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- Encode recurring fixes as reusable Genes and Capsules
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- Produce auditable evolution events for review or compliance
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## Anti-Examples
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- Rewriting entire subsystems without signals or constraints
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- Using the protocol as a generic task runner
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- Producing changes without recording EvolutionEvent
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## FAQ
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**Does this edit code automatically?**
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No. It generates a protocol-bound prompt and assets that guide evolution.
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**Do I need to use all GEP assets?**
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No. You can start with default Genes and extend over time.
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**Is this safe in production?**
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Use review mode and validation steps. Treat it as a safety-focused evolution tool, not a live patcher.
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## Roadmap
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- Add a one-minute demo workflow
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- Add a public changelog
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- Add a comparison table vs alternatives
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## GEP Protocol (Auditable Evolution)
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This repo includes a protocol-constrained prompt mode based on GEP (Genome Evolution Protocol).
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- **Structured assets** live in `assets/gep/`:
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- `assets/gep/genes.json`
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- `assets/gep/capsules.json`
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- `assets/gep/events.jsonl`
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- **Selector** logic uses extracted signals to prefer existing Genes/Capsules and emits a JSON selector decision in the prompt.
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- **Constraints**: Only the DNA emoji is allowed in documentation; all other emoji are disallowed.
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## Usage
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### Standard Run (Automated)
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```bash
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node index.js
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```
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### Review Mode (Human-in-the-Loop)
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```bash
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node index.js --review
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```
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### Continuous Loop
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```bash
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node index.js --loop
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```
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## Public Release
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This repository is the public distribution.
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- Build public output: `npm run build`
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- Publish public output: `npm run publish:public`
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- Dry run: `DRY_RUN=true npm run publish:public`
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Required env vars:
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- `PUBLIC_REMOTE` (default: `public`)
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- `PUBLIC_REPO` (e.g. `autogame-17/evolver`)
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- `PUBLIC_OUT_DIR` (default: `dist-public`)
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- `PUBLIC_USE_BUILD_OUTPUT` (default: `true`)
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Optional env vars:
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- `SOURCE_BRANCH` (default: `main`)
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- `PUBLIC_BRANCH` (default: `main`)
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- `RELEASE_TAG` (e.g. `v1.0.41`)
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- `RELEASE_TITLE` (e.g. `v1.0.41 - GEP protocol`)
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- `RELEASE_NOTES` or `RELEASE_NOTES_FILE`
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- `GITHUB_TOKEN` (or `GH_TOKEN` / `GITHUB_PAT`) for GitHub Release creation
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- `RELEASE_SKIP` (`true` to skip creating a GitHub Release; default is to create)
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- `RELEASE_USE_GH` (`true` to use `gh` CLI instead of GitHub API)
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- `PUBLIC_RELEASE_ONLY` (`true` to only create a Release for an existing tag; no publish)
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## Versioning (SemVer)
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MAJOR.MINOR.PATCH
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- MAJOR: incompatible changes
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- MINOR: backward-compatible features
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- PATCH: backward-compatible bug fixes
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## Changelog
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### v1.6.0
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- Add innovation/opportunity signal detection: user_feature_request, user_improvement_suggestion, perf_bottleneck, capability_gap, stable_success_plateau, external_opportunity.
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- Add innovate Gene (gene_gep_innovate_from_opportunity) for proactive feature development.
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- Auto-innovate mutation when opportunity signals are present (no longer requires --drift flag).
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- Personality evolution now responds to opportunity signals by increasing creativity.
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- Safety: repair still takes priority over innovate when errors are present.
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### v1.5.1
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- Add containerized vibe testing framework (Docker + node:22-bookworm, OpenClaw-compatible environment).
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- 7 end-to-end tests: module load, dry-run solidify, schema compliance, A2A round-trip, full evolve+solidify, loop gating, env fingerprint.
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- Add internal daemon loop with suicide guard for memory leak protection.
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- One-command test: `npm run test:vibe`.
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### v1.5.0
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- Add content-addressable asset IDs (SHA-256 canonical hashing) for deduplication, tamper detection, and cross-node consistency.
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- Add environment fingerprint capture (node version, platform, arch, evolver version) embedded in EvolutionEvents, Capsules, and ValidationReports.
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- Add standardized ValidationReport type with machine-readable schema, full command results, and env fingerprint.
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- Add GEP A2A protocol layer with 6 message types (hello/publish/fetch/report/decision/revoke) and pluggable transport interface.
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- Add FileTransport as default A2A transport (JSONL outbox/inbox).
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- Add asset_id integrity verification on A2A ingest; reject tampered assets.
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- Add schema_version field to all GEP asset types (Gene, Capsule, EvolutionEvent, ValidationReport).
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- Fix: dry-run mode no longer triggers rollback.
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- Merge backport/online-fixes: self-contained crash recovery with recover_loop.js.
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### v1.4.4
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- Add validation command safety check: Gene validation commands are gated by prefix whitelist (node/npm/npx) and shell operator blocking.
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- Add validation audit on A2A Gene promotion: external Genes with unsafe validation commands are rejected before promotion.
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- Add Security Model documentation to README.
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### v1.4.3
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- Release preparation for v1.4.3.
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### v1.4.2
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- Add loop gating: do not start a new cycle until the previous run is solidified (prevents fast empty cycles).
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- Preserve `last_solidify` when writing solidify state (merge instead of overwrite).
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### v1.4.1
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- Add execute-by-default bridge: after generating the GEP prompt, emit `sessions_spawn(...)` to spawn an executor agent.
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- Write prompt artifacts to `memory/` for reliable handoff and auditing.
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### v1.4.0
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- Add explicit Mutation protocol (repair/optimize/innovate) and require Mutation per evolution run.
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- Add evolvable PersonalityState with small PersonalityMutation steps and natural selection statistics.
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- Extend EvolutionEvent with `mutation_id` and `personality_state`; record both into Memory Graph events.
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- Add `scripts/gep_personality_report.js` to observe personality success rates and convergence.
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### v1.3.1
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- Release preparation for v1.3.1.
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### v1.3.0
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- Release preparation for v1.3.0.
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### v1.2.0
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- Memory Graph v2 and A2A exchange protocol integration.
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### v1.1.0
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- Public build/publish pipeline, prompt budget enforcement, and structured GEP asset storage.
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## Security Model
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This section describes the execution boundaries and trust model of the Capability Evolver.
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### What Executes and What Does Not
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| Component | Behavior | Executes Shell Commands? |
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| :--- | :--- | :--- |
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| `src/evolve.js` | Reads logs, selects genes, builds prompts, writes artifacts | Read-only git/process queries only |
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| `src/gep/prompt.js` | Assembles the GEP protocol prompt string | No (pure text generation) |
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| `src/gep/selector.js` | Scores and selects Genes/Capsules by signal matching | No (pure logic) |
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| `src/gep/solidify.js` | Validates patches via Gene `validation` commands | Yes (see below) |
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| `index.js` (loop recovery) | Prints `sessions_spawn(...)` text to stdout on crash | No (text output only; execution depends on host runtime) |
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### Gene Validation Command Safety
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`solidify.js` executes commands listed in a Gene's `validation` array. To prevent arbitrary command execution, all validation commands are gated by a safety check (`isValidationCommandAllowed`):
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1. **Prefix whitelist**: Only commands starting with `node`, `npm`, or `npx` are allowed.
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2. **No command substitution**: Backticks and `$(...)` are rejected anywhere in the command string.
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3. **No shell operators**: After stripping quoted content, `;`, `&`, `|`, `>`, `<` are rejected.
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4. **Timeout**: Each command is limited to 180 seconds.
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5. **Scoped execution**: Commands run with `cwd` set to the repository root.
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### A2A External Asset Ingestion
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External Gene/Capsule assets ingested via `scripts/a2a_ingest.js` are staged in an isolated candidate zone. Promotion to local stores (`scripts/a2a_promote.js`) requires:
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1. Explicit `--validated` flag (operator must verify the asset first).
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2. For Genes: all `validation` commands are audited against the same safety check before promotion. Unsafe commands cause the promotion to be rejected.
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3. Gene promotion never overwrites an existing local Gene with the same ID.
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### `sessions_spawn` Output
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The `sessions_spawn(...)` strings in `index.js` and `evolve.js` are **text output to stdout**, not direct function calls. Whether they are interpreted depends on the host runtime (e.g., OpenClaw platform). The evolver itself does not invoke `sessions_spawn` as executable code.
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## Configuration & Decoupling
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This skill is designed to be **environment-agnostic**. It uses standard OpenClaw tools by default.
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### Local Overrides (Injection)
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You can inject local preferences (e.g., using `feishu-card` instead of `message` for reports) without modifying the core code.
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**Method 1: Environment Variables**
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Set `EVOLVE_REPORT_TOOL` in your `.env` file:
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```bash
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EVOLVE_REPORT_TOOL=feishu-card
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```
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**Method 2: Dynamic Detection**
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The script automatically detects if compatible local skills (like `skills/feishu-card`) exist in your workspace and upgrades its behavior accordingly.
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## License
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MIT
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