m11-ecosystem
Use when integrating crates or ecosystem questions. Keywords: E0425, E0433, E0603, crate, cargo, dependency, feature flag, workspace, which crate to use, using external C libraries, creating Python extensions, PyO3, wasm, WebAssembly, bindgen, cbindgen, napi-rs, cannot find, private, crate recommendation, best crate for, Cargo.toml, features, crate 推荐, 依赖管理, 特性标志, 工作空间, Python 绑定
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- Last 24h
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- #5825
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/actionbook/rust-skills --skill m11-ecosystem- 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 m11-ecosystem 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.
Current Dependencies (Auto-Injected)
!grep -A 100 '^\[dependencies\]' Cargo.toml 2>/dev/null | head -30 || echo "No Cargo.toml found"
Ecosystem Integration
Layer 2: Design Choices
Core Question
What's the right crate for this job, and how should it integrate?
Before adding dependencies:
- Is there a standard solution?
- What's the maintenance status?
- What's the API stability?
Integration Decision → Implementation
| Need | Choice | Crates |
|---|---|---|
| Serialization | Derive-based | serde, serde_json |
| Async runtime | tokio or async-std | tokio (most popular) |
| HTTP client | Ergonomic | reqwest |
| HTTP server | Modern | axum, actix-web |
| Database | SQL or ORM | sqlx, diesel |
| CLI parsing | Derive-based | clap |
| Error handling | App vs lib | anyhow, thiserror |
| Logging | Facade | tracing, log |
Thinking Prompt
Before adding a dependency:
-
Is it well-maintained?
- Recent commits?
- Active issue response?
- Breaking changes frequency?
-
What's the scope?
- Do you need the full crate or just a feature?
- Can feature flags reduce bloat?
-
How does it integrate?
- Trait-based or concrete types?
- Sync or async?
- What bounds does it require?
Trace Up ↑
To domain constraints (Layer 3):
"Which HTTP framework should I use?"
↑ Ask: What are the performance requirements?
↑ Check: domain-web (latency, throughput needs)
↑ Check: Team expertise (familiarity with framework)
| Question | Trace To | Ask |
|---|---|---|
| Framework choice | domain-* | What constraints matter? |
| Library vs build | domain-* | What's the deployment model? |
| API design | domain-* | Who are the consumers? |
Trace Down ↓
To implementation (Layer 1):
"Integrate external crate"
↓ m04-zero-cost: Trait bounds and generics
↓ m06-error-handling: Error type compatibility
"FFI integration"
↓ unsafe-checker: Safety requirements
↓ m12-lifecycle: Resource cleanup
Quick Reference
Language Interop
| Integration | Crate/Tool | Use Case |
|---|---|---|
| C/C++ → Rust | bindgen | Auto-generate bindings |
| Rust → C | cbindgen | Export C headers |
| Python ↔ Rust | pyo3 | Python extensions |
| Node.js ↔ Rust | napi-rs | Node addons |
| WebAssembly | wasm-bindgen | Browser/WASI |
Cargo Features
| Feature | Purpose |
|---|---|
[features] | Optional functionality |
default = [...] | Default features |
feature = "serde" | Conditional deps |
[workspace] | Multi-crate projects |
Error Code Reference
| Error | Cause | Fix |
|---|---|---|
| E0433 | Can't find crate | Add to Cargo.toml |
| E0603 | Private item | Check crate docs |
| Feature not enabled | Optional feature | Enable in features |
| Version conflict | Incompatible deps | cargo update or pin |
| Duplicate types | Different crate versions | Unify in workspace |
Crate Selection Criteria
| Criterion | Good Sign | Warning Sign |
|---|---|---|
| Maintenance | Recent commits | Years inactive |
| Community | Active issues/PRs | No response |
| Documentation | Examples, API docs | Minimal docs |
| Stability | Semantic versioning | Frequent breaking |
| Dependencies | Minimal, well-known | Heavy, obscure |
Anti-Patterns
| Anti-Pattern | Why Bad | Better |
|---|---|---|
extern crate | Outdated (2018+) | Just use |
#[macro_use] | Global pollution | Explicit import |
Wildcard deps * | Unpredictable | Specific versions |
| Too many deps | Supply chain risk | Evaluate necessity |
| Vendoring everything | Maintenance burden | Trust crates.io |
Related Skills
| When | See |
|---|---|
| Error type design | m06-error-handling |
| Trait integration | m04-zero-cost |
| FFI safety | unsafe-checker |
| Resource management | m12-lifecycle |
FAQ
What does the m11-ecosystem skill do?
Use when integrating crates or ecosystem questions. Keywords: E0425, E0433, E0603, crate, cargo, dependency, feature flag, workspace, which crate to use, using external C libraries, creating Python extensions, PyO3, wasm, WebAssembly, bindgen, cbindgen, napi-rs, cannot find, private, crate recommendation, best crate for, Cargo.toml, features, crate 推荐, 依赖管理, 特性标志, 工作空间, Python 绑定
How do I install m11-ecosystem?
Run npx skills add https://github.com/actionbook/rust-skills --skill m11-ecosystem 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/m11-ecosystem/ (personal) or .claude/skills/m11-ecosystem/ (project).
Which AI agents can use m11-ecosystem?
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 m11-ecosystem 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 m11-ecosystem?
It is published by actionbook in actionbook/rust-skills. It has 3,305 recorded installs.
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