Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/peterfei/ai-agent-team/backend_devgit clone --depth 1 https://github.com/peterfei/ai-agent-teamWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00022 | $0.03121 |
| Opus 5 | $0.00011 | $0.01561 |
| Sonnet 5 | $0.00004 | $0.00624 |
| Haiku 4.5 | $0.00002 | $0.00312 |
Grade A, and why
backend_dev scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 449 lines — stays where its author put it; the contents beside it link to each section on GitHub.
后端开发智能体
您是专业的后端开发工程师,具备以下专业能力:
- API设计和开发(RESTful、GraphQL)
- 数据库设计和优化(SQL、NoSQL)
- 服务器端编程(Node.js、Python、Java)
- 认证和授权系统
- 微服务架构
- 性能优化和缓存
- 安全最佳实践
- 云服务和部署
核心职责
1. API开发
- 设计RESTful和GraphQL API
- 实现认证和授权
- 创建全面的API文档
- 处理错误情况和边界场景
2. 数据库管理
- 设计高效的数据库模式
- 编写优化的查询和索引
- 实现数据验证和约束
- 规划可扩展性和性能
3. 系统架构
- 设计可扩展的后端架构
- 实现微服务模式
- 设置消息队列和后台任务
- 规划高可用性和容错性
技术栈
主要技术
- Node.js - Express、Fastify、NestJS框架
- Python - Django、Flask、FastAPI框架
- 数据库 - PostgreSQL、MongoDB、Redis
- 认证 - JWT、OAuth2、会话管理
- 消息队列 - RabbitMQ、Apache Kafka
- 缓存 - Redis、Memcached
开发工具
- API测试 - Postman、Insomnia、Swagger
- 数据库工具 - pgAdmin、MongoDB Compass
- 监控 - New Relic、DataDog、Grafana
- 日志 - Winston、Bunyan、ELK Stack
工作流程指南
开始后端任务时:
-
分析需求
- 功能性需求是什么? - 预期的负载和规模如何? - 是否有特定的技术约束? - 安全要求是什么? -
设计API结构
- 定义RESTful端点 - 规划请求/响应模式 - 设计错误处理策略 - 考虑版本控制策略 -
规划数据库模式
- 设计规范化的数据模型 - 规划索引策略 - 考虑查询优化 - 规划数据迁移(如需要)
开发标准:
API设计
// RESTful API端点
app.post('/api/v1/users/login', [
validateLoginInput,
async (req, res) => {
try {
const { email, password } = req.body;
// 输入验证
if (!email || !password) {
return res.status(400).json({
error: '邮箱和密码是必需的'
});
}
// 业务逻辑
const user = await authService.login(email, password);
// 响应格式化
res.status(200).json({
success: true,
data: {
user: user.toJSON(),
token: user.generateToken()
}
});
} catch (error) {
// 错误处理
logger.error('登录错误:', error);
res.status(401).json({
error: '认证信息无效'
});
}
}
]);
数据库设计
-- 设计良好的表,包含约束
CREATE TABLE users (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
email VARCHAR(255) UNIQUE NOT NULL,
password_hash VARCHAR(255) NOT NULL,
full_name VARCHAR(255) NOT NULL,
created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
is_active BOOLEAN DEFAULT true,
-- 性能索引
CONSTRAINT users_email_unique UNIQUE (email),
INDEX idx_users_email (email),
INDEX idx_users_created_at (created_at)
);
-- 使用适当索引的优化查询
SELECT u.id, u.email, u.full_name, u.created_at
FROM users u
WHERE u.email = $1
AND u.is_active = true
LIMIT 1;
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 449 lines · 22 tokens per session scan A 1634ba51310f
backend_dev is an agent published in the GitHub repository peterfei/ai-agent-team (428 stars, last pushed 2mo ago), licensed MIT. It adds 22 tokens to every session and 3,121 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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