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 skills/jianchen08/agent-os-open/code-backendnpx skills add jianchen08/Agent-os-open --skill code-backendgit clone --depth 1 https://github.com/jianchen08/Agent-os-openWhat 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 | $0.00049 | $0.01302 |
| Opus 5 | $0.00024 | $0.00651 |
| Sonnet 5 | $0.00010 | $0.00260 |
| Haiku 4.5 | $0.00005 | $0.00130 |
Grade A, and why
后端编码 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 — 140 lines — stays where its author put it; the contents beside it link to each section on GitHub.
后端编码
API 设计规范
RESTful 规范
| 原则 | 说明 |
|---|---|
| 资源命名 | 使用名词复数表示资源 |
| 层级结构 | 使用嵌套表示资源关系 |
| HTTP 方法 | 正确使用 GET/POST/PUT/PATCH/DELETE |
| 统一接口 | 所有 API 遵循统一的接口约束 |
| 无状态 | 请求包含所有必要信息 |
HTTP 方法
| 方法 | 用途 | 幂等性 | 示例 |
|---|---|---|---|
| GET | 查询资源 | 幂等 | GET /users/123 |
| POST | 创建资源 | 非幂等 | POST /users |
| PUT | 更新资源（全量） | 幂等 | PUT /users/123 |
| PATCH | 更新资源（部分） | 非幂等 | PATCH /users/123 |
| DELETE | 删除资源 | 幂等 | DELETE /users/123 |
URL 设计
| 规范 | 正确 | 错误 |
|---|---|---|
| 使用名词复数 | GET /users |
GET /getUsers |
| 层级表示关系 | GET /users/123/orders |
GET /getUserOrders?userId=123 |
| 小写字母 | GET /user-profiles |
GET /UserProfiles |
| 省略扩展名 | GET /users/123 |
GET /users/123.json |
| 查询参数过滤 | GET /users?role=admin |
GET /adminUsers |
版本控制
URL 路径版本（推荐）：/v1/users, /v2/users
数据库规范
设计原则
- 第三范式（3NF），消除传递依赖
- 必须有主键，推荐自增 ID 或 UUID
- 为高频查询字段添加索引
- 表名和字段名使用 snake_case
命名规范
| 对象 | 命名 | 示例 |
|---|---|---|
| 表名 | snake_case，复数名词 | users, order_items |
| 字段名 | snake_case | user_name, created_at |
| 主键 | id |
id |
| 外键 | {table_singular}_id |
user_id, order_id |
| 索引 | ix_{table}_{column} |
ix_users_email |
| 唯一约束 | uq_{table}_{column} |
uq_users_email |
错误处理
错误响应格式
{
"success": false,
"error": {
"code": "ERROR_CODE",
"message": "用户友好的错误消息",
"details": {}
},
"request_id": "uuid-for-tracing"
}
| HTTP 状态码 | 错误码 | 适用场景 |
|---|---|---|
| 400 | VALIDATION_ERROR |
请求参数验证失败 |
| 401 | UNAUTHORIZED |
未认证 |
| 403 | FORBIDDEN |
无权限 |
| 404 | NOT_FOUND |
资源不存在 |
| 409 | CONFLICT |
资源冲突 |
| 422 | UNPROCESSABLE_ENTITY |
请求格式正确但无法处理 |
| 500 | INTERNAL_ERROR |
服务器内部错误 |
| 503 | SERVICE_UNAVAILABLE |
服务不可用 |
日志规范
日志级别
| 级别 | 使用场景 |
|---|---|
| DEBUG | 开发时排查问题 |
| INFO | 正常业务流程记录 |
| WARNING | 潜在问题但不影响功能 |
| ERROR | 功能失败但应用可继续 |
| CRITICAL | 应用崩溃级错误 |
日志最佳实践
- 使用 JSON 结构化日志，便于检索
- 每个请求关联唯一 request_id
- 敏感信息脱敏（不记录密码、Token）
- 异常日志使用
exc_info=True保留完整堆栈 - 日志包含业务上下文（如 order_id、user_id）
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 · 140 lines · 49 tokens per session scan A cad1c6187a3e
后端编码 is a skill published in the GitHub repository jianchen08/Agent-os-open (5 stars, last pushed 7d ago), licensed Apache-2.0. It adds 49 tokens to every session and 1,302 once invoked, about $0.0002 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 2026-08-31.
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