core-dynamic-skills
Internal command support for dynamic Rust crate skill management. Use only when explicitly invoked by /sync-crate-skills, /clean-crate-skills, or /update-crate-skill.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/actionbook/rust-skills --skill core-dynamic-skills- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads core-dynamic-skills automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Dynamic Skills Manager
Version: 2.1.0 | Last Updated: 2025-01-27
Orchestrates on-demand generation of crate-specific skills based on project dependencies.
Concept
Dynamic skills are:
- Generated locally at
~/.claude/skills/ - Based on Cargo.toml dependencies
- Created using llms.txt from docs.rs
- Versioned and updatable
- Not committed to the rust-skills repository
Trigger Scenarios
Prompt-on-Open
When entering a directory with Cargo.toml:
- Detect Cargo.toml (single or workspace)
- Parse dependencies list
- Check which crates are missing skills
- If missing: "Found X dependencies without skills. Sync now?"
- If confirmed: run
/sync-crate-skills
Manual Commands
/sync-crate-skills- Sync all dependencies/clean-crate-skills [crate]- Remove skills/update-crate-skill <crate>- Update specific skill
Execution Mode Detection
CRITICAL: Check if agent and command infrastructure is available.
Try to read: ../../agents/ directory
Check if /create-llms-for-skills and /create-skills-via-llms commands work.
Agent Mode (Plugin Install)
When full plugin infrastructure is available:
Architecture
Cargo.toml
↓
Parse dependencies
↓
For each crate:
├─ Check ~/.claude/skills/{crate}/
├─ If missing: Check actionbook for llms.txt
│ ├─ Found: /create-skills-via-llms
│ └─ Not found: /create-llms-for-skills first
└─ Load skill
Workflow Priority
- actionbook MCP - Check for pre-generated llms.txt
- /create-llms-for-skills - Generate llms.txt from docs.rs
- /create-skills-via-llms - Create skills from llms.txt
Sync Command
/sync-crate-skills [--force]
- Parse Cargo.toml for dependencies
- For each dependency:
- Check if skill exists at
~/.claude/skills/{crate}/ - If missing (or --force): generate skill
- Check if skill exists at
- Report results
Inline Mode (Skills-only Install)
When agent/command infrastructure is NOT available, execute manually:
Step 1: Parse Cargo.toml
# Read dependencies
cat Cargo.toml | grep -A 100 '\[dependencies\]' | grep -E '^[a-zA-Z]'
Or use Read tool to parse Cargo.toml and extract:
[dependencies]section[dev-dependencies]section (optional)- Workspace members (if workspace project)
Step 2: Check Existing Skills
# List existing skills
ls ~/.claude/skills/
Compare with dependencies to find missing skills.
Step 3: Generate Missing Skills
For each missing crate:
# 1. Fetch crate documentation
agent-browser open "https://docs.rs/{crate}/latest/{crate}/"
agent-browser get text ".docblock"
# Save content
# 2. Create skill directory
mkdir -p ~/.claude/skills/{crate}
mkdir -p ~/.claude/skills/{crate}/references
# 3. Create SKILL.md
# Use template from rust-skill-creator inline mode
# 4. Create reference files for key modules
agent-browser open "https://docs.rs/{crate}/latest/{crate}/{module}/"
agent-browser get text ".docblock"
# Save to ~/.claude/skills/{crate}/references/{module}.md
agent-browser close
WebFetch fallback:
WebFetch("https://docs.rs/{crate}/latest/{crate}/", "Extract API documentation overview, key types, and usage examples")
Step 4: Workspace Support
For Cargo workspace projects:
# 1. Parse root Cargo.toml for workspace members
cat Cargo.toml | grep -A 10 '\[workspace\]'
# 2. For each member, parse their Cargo.toml
for member in members; do
cat ${member}/Cargo.toml | grep -A 100 '\[dependencies\]'
done
# 3. Aggregate and deduplicate dependencies
# 4. Generate skills for missing crates
Clean Command (Inline)
# Clean specific crate
rm -rf ~/.claude/skills/{crate_name}
# Clean all generated skills
rm -rf ~/.claude/skills/*
Update Command (Inline)
# Remove old skill
rm -rf ~/.claude/skills/{crate_name}
# Re-generate (same as sync for single crate)
# Follow Step 3 above for the specific crate
Local Skills Directory
~/.claude/skills/
├── tokio/
│ ├── SKILL.md
│ └── references/
├── serde/
│ ├── SKILL.md
│ └── references/
└── axum/
├── SKILL.md
└── references/
Related Commands
/sync-crate-skills- Main sync command/clean-crate-skills- Cleanup command/update-crate-skill- Update command/create-llms-for-skills- Generate llms.txt (Agent Mode only)/create-skills-via-llms- Create skills from llms.txt (Agent Mode only)
Error Handling
| Error | Cause | Solution |
|---|---|---|
| Commands not found | Skills-only install | Use inline mode |
| Cargo.toml not found | Not in Rust project | Navigate to project root |
| docs.rs unavailable | Network issue | Retry or skip crate |
| Permission denied | Directory issue | Check ~/.claude/skills/ permissions |
FAQ
What does the core-dynamic-skills skill do?
Internal command support for dynamic Rust crate skill management. Use only when explicitly invoked by /sync-crate-skills, /clean-crate-skills, or /update-crate-skill.
How do I install core-dynamic-skills?
Run npx skills add https://github.com/actionbook/rust-skills --skill core-dynamic-skills in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/core-dynamic-skills/ (personal) or .claude/skills/core-dynamic-skills/ (project).
Which AI agents can use core-dynamic-skills?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is core-dynamic-skills safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains core-dynamic-skills?
It is published by actionbook in actionbook/rust-skills. It has 1,855 recorded installs.
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