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SKILL verified MIT Self-run

Agent Backend Standard

skill-martin1847-evolab-agent-backend-standard · by martin1847

生产级 agent 时代后端工程手册(hub)——建 / 评审 agent·LLM 后端、**及任何碰 DB 的持久层后端**代码时加载(数据访问/连接/事务纪律是通用后端规则,非 agent 专属)。覆盖:架构与控制流、上下文与 prompt 工程、工具设计(ACI)、记忆与状态、检索/RAG、韧性与幂等、人在环、安全护栏与生成操作的有界执行、评估、可观测与成本、代码/依赖生命周期与反死代码、**数据访问纪律(连接·读·写事务)**、规范治理。本文件是目录,深度按需读 references/。可观测性/Git/A2A 对外契约是独立 skill,本 hub 交叉引用不重复。Use when building or reviewing agent/LLM backend code — or ANY backend touching a database (connection/trans…

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Install

$ agentstack add skill-martin1847-evolab-agent-backend-standard

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ✓ Network access No
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ✓ Environment & secrets No
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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Reliability & compatibility

✓ Security review passed
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Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

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About

Agent Backend — 后端工程手册（hub）

agent 时代后端工程规范的集中入口。本文件是目录(ToC):每章一句话 + reference 指针。深度全在 references/,按需读单章,别全量加载。

> 双层落地:软层 = 本手册(write-time 预防);硬层(CI 门禁 / ruleset / 清扫 bot)归 你的 IaC 仓 / IaC CTO。 > 粒度:同属"写·评审 agent 后端代码"这一触发的 concern 都在本 hub 作章;独立 skill 仅限触发动词不同者——埋点 → observability-standard、git → git-workflow-standard、A2A 对外契约 → A2A 对外契约规范(本 hub 交叉引用,不重复)。 > TBD 章 = 已占位、待真实素材再写实(不空写通用建议)。

Book I — Foundations

  • I-1 何时该建 agent —— simplicity-first;能确定性 / 工作流解决就别上 agent。TBD
  • I-2 架构与控制流 —— augmented-LLM 基元、workflow 模式(chaining/routing/parallel/orchestrator-workers/evaluator)、单 vs 多 agent。TBD

Book II — Engineering Concerns

  • II-3 上下文与 prompt 工程 → references/prompt-context.md —— 含 prompt 内容生命周期(写死值绑 eval、模型耦合打 REVISIT-WHEN)。
  • II-4 工具 / 函数设计(ACI) —— 整合/命名空间/返回上下文/token 效率。TBD(交叉引 A2A 对外契约规范)
  • II-5 记忆 / 状态 / 持久 —— session/state、stateless-reducer、pause/resume。TBD
  • II-6 检索 / RAG / grounding —— chunking、faithfulness、向量弱点。TBD
  • II-7 韧性 / 错误 / 幂等 → references/resilience.md —— 每个外部/LLM/工具调用:超时 + 有界重试 + 幂等 + 熔断 + 池/并发;事件循环不阻塞(async 运行时承重条,五层门禁:lint→测试期检测→staging 阈值→生产 lag 遥测→部署断言)。
  • II-8 人在环(HITL)+ resume 安全 → references/hitl-resume-safety.md —— 可恢复 flow 的 resume 安全:六道闸防御(持久 checkpoint 校验请求 ctx、fail-closed、runtime 层)。clarify/approve 协议交叉引 A2A 对外契约规范。
  • II-9 安全 · 护栏 · 生成操作的有界执行 → references/safety-bounded-execution.md —— 执行不可信生成操作(尤 SQL)的硬边界、安全分层、workflow 迭代上限。

Book III — Operations & Governance

  • III-10 评估与测试 —— offline/online、LLM-as-judge、eval 驱动选型。TBD
  • III-11 可观测与成本 / 时延 → references/observability-cost.md —— 薄:成本/token/时延预算;埋点本体交叉引 observability-standard,不重复。
  • III-12 规范治理 → references/governance.md —— 例外/偏离、owner、手册如何演化。

附(本仓并入,非 agent 专属但同一触发)

  • A 代码 / 依赖生命周期 + 反死代码 → references/code-dependency-lifecycle.md —— 引入即退役(ADR-with-sunset)、stale-but-live(EXPIRES/REVISIT-WHEN)、功能旗标生命周期(分类 + 毕业/退休 + 登记册)、死代码检测 + 盲区、反 bloat、清扫。
  • B 数据访问纪律(连接·读·写) → references/data-write-discipline.md —— 读也占连接(弱事务/autocommit 用完即释放;MANAGED+closeConnection=false 无事务读 = 泄漏);记账写移出主链路 / 不跨 LLM 持锁 / 服务端增量;关键写保留原子性但同样不持锁跨 LLM/执行(短原子写 + 锁外执行)。

关联(独立 skill,不在本 hub 重复)

  • 埋点 / telemetry → observability-standard;Git SOP → git-workflow-standard;A2A 对外契约 → A2A 对外契约规范。
  • 硬层 CI 门禁 / ruleset / 清扫 bot → 你的 IaC 仓。

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.

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