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Master programming languages for backend development. Learn language selection, fundamentals, and ecosystem for JavaScript, Python, Go, Java, C#, PHP, Ruby, and Rust.
默认使用会先检查来源的 Prompt；你也可以切换为直接命令，或下载本地副本。
决定是否安装前，请先阅读 SKILL.md，以及 SkillsMP 当前展示的配套文件。
用 Codex 或 Claude 帮你安装 复制这段 Prompt，粘贴到 Codex、Claude 或其他助手里，让它检查 Skill 页面并帮你完成安装。
直接命令不会经过审查 Prompt；运行前请先检查来源。
npx skills add https://github.com/pluginagentmarketplace/custom-plugin-backend --skill languages命令会保持在同一行。复制前请横向滚动并检查完整内容。
想先保存到本地？可下载 SkillsMP 当前能够提供的文件。
Design and build professional APIs with REST, GraphQL, and gRPC. Master authentication, documentation, testing, and operational concerns.
Master architectural design with SOLID principles, design patterns, microservices, and event-driven systems. Learn to design scalable backend systems.
Backend authentication and authorization patterns. JWT, OAuth2, session management, RBAC, and secure token handling.
基于 SOC 职业分类
正在显示 SKILL.md
| name | languages |
| description | Master programming languages for backend development. Learn language selection, fundamentals, and ecosystem for JavaScript, Python, Go, Java, C#, PHP, Ruby, and Rust. |
| sasmp_version | 2.0.0 |
| bonded_agent | 01-backend-fundamentals |
| bond_type | PRIMARY_BOND |
| atomic_operations | ["LANGUAGE_SELECTION","ENVIRONMENT_SETUP","PACKAGE_MANAGEMENT","VERSION_CONTROL_CONFIG"] |
| parameter_validation | {"query":{"type":"string","required":true,"minLength":5,"maxLength":1000},"language":{"type":"string","enum":["javascript","python","go","java","csharp","php","ruby","rust"],"required":false},"project_type":{"type":"string","enum":["web","api","cli","library","microservice"],"required":false}} |
| retry_logic | {"max_attempts":3,"backoff":"exponential","initial_delay_ms":1000} |
| logging_hooks | {"on_invoke":"skill.languages.invoked","on_success":"skill.languages.completed","on_error":"skill.languages.failed"} |
| exit_codes | {"SUCCESS":0,"INVALID_INPUT":1,"LANGUAGE_NOT_SUPPORTED":2,"ENVIRONMENT_ERROR":3} |
Bonded to: programming-fundamentals-agent
# Invoke languages skill
"Help me choose a programming language for my backend project"
"Set up Python development environment"
"Compare Go vs Rust for microservices"
| Language | Best For | Performance | Learning | Ecosystem |
|---|---|---|---|---|
| JavaScript/Node.js | Real-time, Full-stack | Good | Easy | Excellent |
| Python | ML/AI, APIs, Scripting | Moderate | Easy | Excellent |
| Go | Microservices, Cloud | Excellent | Medium | Good |
| Java | Enterprise, Android | Good | Medium | Excellent |
| C# | Microsoft, Games | Good | Medium | Good |
| Rust | Systems, Performance | Excellent | Hard | Growing |
| PHP | Web, WordPress | Moderate | Easy | Good |
| Ruby | Web, Startups | Moderate | Easy | Good |
Project Requirements?
│
├─→ ML/AI/Data Science → Python
│
├─→ High Performance Required?
│ ├─→ Systems level → Rust
│ └─→ Cloud/Microservices → Go
│
├─→ Enterprise/Large Team → Java or C#
│
├─→ Rapid Prototyping → Python or Ruby
│
└─→ Full-stack/Real-time → JavaScript/Node.js
Input: "I need to build a high-performance microservices API"
Output: Recommend Go or Rust
- Go: Simpler, faster development, excellent concurrency
- Rust: Maximum performance, memory safety, steeper learning curve
Input: "Set up Python development environment"
Output:
1. Install Python 3.12+ via pyenv
2. Create virtual environment: python -m venv .venv
3. Install dependencies: pip install -r requirements.txt
4. Configure IDE (VS Code + Python extension)
5. Set up linting: ruff, mypy
Input: "Configure dependency management for Node.js"
Output:
1. Initialize: npm init -y
2. Add dependencies: npm install express
3. Lock versions: package-lock.json
4. Configure .npmrc for registry
| Issue | Cause | Solution |
|---|---|---|
command not found | Not in PATH | Add to shell profile |
| Version mismatch | Wrong version active | Use version manager (nvm, pyenv) |
| Package conflicts | Incompatible versions | Use lockfile, check compatibility |
| Build errors | Missing system deps | Install required libraries |
# Check versions
node -v && npm -v
python --version && pip --version
go version
rustc --version && cargo --version
# Check PATH
echo $PATH | tr ':' '\n' | grep -E 'node|python|go|rust'
# tests/test_language_selection.py
import pytest
class TestLanguageSelection:
def test_recommends_go_for_microservices(self):
requirements = {"type": "microservices", "performance": "high"}
result = select_language(requirements)
assert result["language"] in ["go", "rust"]
assert result["confidence"] > 0.8
def test_recommends_python_for_ml(self):
requirements = {"type": "ml", "team_expertise": ["python"]}
result = select_language(requirements)
assert result["language"] == "python"
See references/ directory for:
LANGUAGE_GUIDE.md - Detailed language comparisonlanguage-comparison.yaml - Structured data