Initial claude skill with skills access

SKILL.md

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+---
+name: claude
+description: Claude Code CLI with skills access for self-modification
+metadata:
+  version: "1.0.0"
+  vibestack:
+    main: false
+---
+
+# Claude Skill
+
+[Claude Code CLI](https://docs.anthropic.com/en/docs/claude-code) with full access to the skills directory for autonomous agent capabilities.
+
+## Features
+
+- Claude Code CLI installation
+- HTTP API for chat and execution
+- Access to `/skills` directory for self-modification
+- System prompt with skills context
+- Streaming responses via SSE
+- Auto-registers with Caddy if present
+
+## Configuration
+
+| Variable | Description | Default |
+|----------|-------------|---------|
+| `CLAUDE_PORT` | HTTP API port | `8888` |
+| `CLAUDE_DOMAIN` | Domain for Caddy auto-config | (none) |
+| `ANTHROPIC_API_KEY` | Anthropic API key | (required) |
+| `CLAUDE_CODE_OAUTH_TOKEN` | OAuth token (alternative to API key) | (optional) |
+| `CLAUDE_MODEL` | Model to use | `claude-sonnet-4-20250514` |
+| `CLAUDE_MAX_TURNS` | Max conversation turns | `10` |
+| `SKILLS_DIR` | Skills directory | `/skills` |
+
+## HTTP API
+
+### Chat (Streaming)
+
+```bash
+curl -N http://localhost:8888/chat \
+  -H "Content-Type: application/json" \
+  -d '{"message": "List all skills and their purpose"}'
+```
+
+### Execute (One-shot)
+
+```bash
+curl http://localhost:8888/execute \
+  -H "Content-Type: application/json" \
+  -d '{"prompt": "Create a new skill called hello-world that responds with Hello World"}'
+```
+
+### Health Check
+
+```bash
+curl http://localhost:8888/health
+```
+
+## Capabilities
+
+Claude has access to:
+
+1. **Skills Directory** (`/skills/`)
+   - Read all skill configurations
+   - Modify existing skills
+   - Create new skills
+   - Push changes to Git
+
+2. **System Tools**
+   - Bash commands
+   - File operations
+   - Git operations
+   - Network requests
+
+3. **Other Skills**
+   - Query DuckDB
+   - Read logs from Loki
+   - Check metrics
+
+## System Prompt
+
+Claude receives context about:
+- Available skills and their structure
+- How to create/modify skills
+- Git workflow for pushing changes
+- API endpoints for other skills
+
+## Security
+
+- Claude runs with full system access
+- Ensure proper authentication on the API endpoint
+- Use `CLAUDE_DOMAIN` with Caddy for HTTPS
+- Consider running behind authelia for protected access
+
+## Self-Modification Example
+
+```bash
+curl http://localhost:8888/execute \
+  -d '{"prompt": "Add a /hello endpoint to the caddy skill that returns a greeting"}'
+```
+
+Claude will:
+1. Read the caddy skill files
+2. Modify the necessary scripts
+3. Commit and push changes
+4. Report what was done