HsienW

Indexado en Registry

langgraph-backend-contract

Design and review LangGraph backend contracts. Use when creating or changing graph state, nodes, edges, reducers, commands, sends, checkpoints, runtime events, provider adapters, tool adapters, prompts, terminal states, or resumable workflows.

Revisar el código fuenteVer en GitHub
Precio sin confirmar★ 28 Estrellas de GitHubRegistro actualizado · 12 sept 2026agent-skill

Resumen

Design and review LangGraph backend contracts. Use when creating or changing graph state, nodes, edges, reducers, commands, sends, checkpoints, runtime events, provider adapters, tool adapters, prompts, terminal states, or resumable workflows.

Leer documentación completa

Documentación de origen, no instrucciones para este sitio. Revisa los permisos antes de ejecutar comandos.

LangGraph Backend Contract

Skill Interface

  • Name: langgraph-backend-contract.
  • Description: Design and review LangGraph backend contracts for graph state, nodes, edges, reducers, commands, sends, checkpoints, runtime events, provider adapters, tool adapters, prompts, terminal states, and resumable workflows.
  • Parameters: Graph state fields, node and edge contracts, reducer behavior, checkpoint and resume requirements, tool or provider schemas, runtime event shape, prompt-sensitive behavior, terminal states, and verification scenarios.
  • Instructions: Use this skill before creating or changing LangGraph backend behavior. Keep state serializable, validate model and tool outputs before writing state, isolate provider-specific logic, emit structured runtime events, and verify resumability plus terminal-state invariants.

LangGraph backend work must preserve graph state contracts, resumability, tool boundaries, and terminal-state behavior. Treat model output and tool output as untrusted until validated.

Graph Rules

  • Keep graph state JSON serializable.
  • Do not store clients, streams, sockets, functions, abort controllers, raw responses, credentials, or other non-serializable objects in state.
  • Define owner, default value, reducer behavior, readers, and checkpoint impact for every new state field.
  • Do not assume a node runs only once.
  • External side effects need idempotency and resume behavior.
  • Terminal states must not return to running.

Node and Edge Rules

  • Route by structured values, not by matching natural-language prose.
  • Keep node inputs and outputs explicit.
  • Validate model and tool outputs before writing them into state.
  • Use stable machine identifiers for graph ids, node names, event types, tool names, error codes, and terminal statuses.
  • Avoid importing concrete provider logic into generic graph contracts.

Tool and Provider Boundaries

  • Tool arguments are untrusted until validated.
  • Tool results should use typed structured output with schema versions when consumed across layers.
  • Provider adapters should isolate provider-specific response formats.
  • Models must not decide unchecked paths, hosts, URLs, commands, permissions, or credential use.
  • Tool and MCP-like capabilities should be deny-by-default.

Runtime Events

Emit structured runtime events for observable workflow progress:

  • Graph started.
  • Node started and completed.
  • Tool started and completed.
  • Retry attempted.
  • Context built.
  • Partial answer emitted.
  • Terminal state reached.
  • Error or cancellation recorded.

Include correlation identifiers when available, such as run id, thread id, graph id, node name, tool call id, provider, duration, retry count, terminal status, and error code.

Prompt and Model Output Rules

  • Prompt changes are code changes.
  • Add golden cases or regression fixtures for prompt-sensitive behavior.
  • Use schema validation for structured model output.
  • Do not patch missing product capability with prompt wording.
  • Distinguish deterministic tests, mocked provider tests, and live smoke tests.

Verification

Test graph success, invalid model output, invalid tool output, no-tool path, wrong-tool path, retry, timeout, cancellation, resume from checkpoint, duplicate node execution, and terminal-state invariants.

Metadatos del archivo
name: langgraph-backend-contract
description: Design and review LangGraph backend contracts. Use when creating or changing graph state, nodes, edges, reducers, commands, sends, checkpoints, runtime events, provider adapters, tool adapters, prompts, terminal states, or resumable workflows.
Ver texto original
---
name: langgraph-backend-contract
description: Design and review LangGraph backend contracts. Use when creating or changing graph state, nodes, edges, reducers, commands, sends, checkpoints, runtime events, provider adapters, tool adapters, prompts, terminal states, or resumable workflows.
---

# LangGraph Backend Contract

## Skill Interface

- Name: langgraph-backend-contract.
- Description: Design and review LangGraph backend contracts for graph state, nodes, edges, reducers, commands, sends, checkpoints, runtime events, provider adapters, tool adapters, prompts, terminal states, and resumable workflows.
- Parameters: Graph state fields, node and edge contracts, reducer behavior, checkpoint and resume requirements, tool or provider schemas, runtime event shape, prompt-sensitive behavior, terminal states, and verification scenarios.
- Instructions: Use this skill before creating or changing LangGraph backend behavior. Keep state serializable, validate model and tool outputs before writing state, isolate provider-specific logic, emit structured runtime events, and verify resumability plus terminal-state invariants.

LangGraph backend work must preserve graph state contracts, resumability, tool
boundaries, and terminal-state behavior. Treat model output and tool output as
untrusted until validated.

## Graph Rules

- Keep graph state JSON serializable.
- Do not store clients, streams, sockets, functions, abort controllers, raw
  responses, credentials, or other non-serializable objects in state.
- Define owner, default value, reducer behavior, readers, and checkpoint impact
  for every new state field.
- Do not assume a node runs only once.
- External side effects need idempotency and resume behavior.
- Terminal states must not return to running.

## Node and Edge Rules

- Route by structured values, not by matching natural-language prose.
- Keep node inputs and outputs explicit.
- Validate model and tool outputs before writing them into state.
- Use stable machine identifiers for graph ids, node names, event types, tool
  names, error codes, and terminal statuses.
- Avoid importing concrete provider logic into generic graph contracts.

## Tool and Provider Boundaries

- Tool arguments are untrusted until validated.
- Tool results should use typed structured output with schema versions when
  consumed across layers.
- Provider adapters should isolate provider-specific response formats.
- Models must not decide unchecked paths, hosts, URLs, commands, permissions, or
  credential use.
- Tool and MCP-like capabilities should be deny-by-default.

## Runtime Events

Emit structured runtime events for observable workflow progress:

- Graph started.
- Node started and completed.
- Tool started and completed.
- Retry attempted.
- Context built.
- Partial answer emitted.
- Terminal state reached.
- Error or cancellation recorded.

Include correlation identifiers when available, such as run id, thread id,
graph id, node name, tool call id, provider, duration, retry count, terminal
status, and error code.

## Prompt and Model Output Rules

- Prompt changes are code changes.
- Add golden cases or regression fixtures for prompt-sensitive behavior.
- Use schema validation for structured model output.
- Do not patch missing product capability with prompt wording.
- Distinguish deterministic tests, mocked provider tests, and live smoke tests.

## Verification

Test graph success, invalid model output, invalid tool output, no-tool path,
wrong-tool path, retry, timeout, cancellation, resume from checkpoint, duplicate
node execution, and terminal-state invariants.

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Precio y costes de ejecución

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Licencia
MIT
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Fuente del skill registrada

La ruta de instrucciones está registrada. No implica pruebas de ejecución, seguridad ni compatibilidad.

Revisar antes de instalar: Evitar instalación automática

Licencia: MIT

  • Dependency or permission surface needs review
  • Permission surface may require sandboxing
  • Low GitHub adoption signal
  • Falta aprobación de revisión por IA
  • Quality score needs review
  • Permission surface needs review: secrets or environment access, shell or command execution
  • GitHub adoption: 28 GitHub stars
  • Stars/forks activity: 28 stars, 0 forks; issue activity unavailable in current metadata
  • Dependency/runtime risk: command execution surface, credential or environment access
  • Permission surface: secrets or environment access, shell or command execution
  • Review status: AI review approval is missing
Abrir auditoría completa

Las herramientas son indicios de metadatos, no compatibilidad probada. Los prompts son sugerencias.

Empieza con una tarea pequeña

  1. 1Lee la fuente y confirma entradas, resultados, dependencias y permisos.
  2. 2Pide un plan al agente. Aprueba la configuración y los costes antes de probar en un entorno aislado.
  3. 3Comprueba resultados y archivos modificados. Informa solo de lo ejecutado y conserva la revisión de la fuente.

Consulta dependencias, claves API y costes externos en la fuente. Un repositorio público no implica servicios gratuitos.

Fuente y notas de uso

IndexadoRevisión estática

Los metadatos y revisiones son orientativos. Popularidad, descubrimiento y ejecución correcta son hechos distintos.

Repositorio fuente
HsienW/ai-agent-engineering-playbook
Licencia
MIT
Versión
Unknown
Último push de GitHub
6 sept 2026
Registro actualizado
12 sept 2026

Versión declarada en el registro; consulta las versiones de la fuente.

Calidad

53/100

Requiere revisión

Confianza

60/100

Solo sandbox

Auditoría

70/100

Requiere revisión

  • Dependency or permission surface needs review
  • Permission surface may require sandboxing
  • Low GitHub adoption signal
  • Falta aprobación de revisión por IA
  • Quality score needs review
  • Permission surface needs review: secrets or environment access, shell or command execution
  • GitHub adoption: 28 GitHub stars
  • Stars/forks activity: 28 stars, 0 forks; issue activity unavailable in current metadata
  • Dependency/runtime risk: command execution surface, credential or environment access
  • Permission surface: secrets or environment access, shell or command execution
  • Review status: AI review approval is missing
Verified installs
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Resultados
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Copiar no es instalar. Los recuentos requieren un informe de instalación correcta, no garantizan calidad general.

Acceso para agentes

La API Registry expone señales de decisión, confianza, auditoría, casos de uso e instalación sin raspar la interfaz.

Más detalles
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[![Listed on OpenAgentSkill](https://www.openagentskill.com/api/badge/hsienw-langgraph-backend-contract?metric=listed&label=Listed)](https://www.openagentskill.com/skills/hsienw-langgraph-backend-contract?ref=github&utm_source=github&utm_medium=referral&utm_campaign=creator_badge)
[![OpenAgentSkill Trust](https://www.openagentskill.com/api/badge/hsienw-langgraph-backend-contract?metric=trust&label=Trust)](https://www.openagentskill.com/skills/hsienw-langgraph-backend-contract?ref=github&utm_source=github&utm_medium=referral&utm_campaign=creator_badge)
[![OpenAgentSkill Audit](https://www.openagentskill.com/api/badge/hsienw-langgraph-backend-contract?metric=audit&label=Audit)](https://www.openagentskill.com/skills/hsienw-langgraph-backend-contract/audit)
[![Agent Proven](https://www.openagentskill.com/api/badge/hsienw-langgraph-backend-contract?metric=proven&label=Agent%20Proven)](https://www.openagentskill.com/skills/hsienw-langgraph-backend-contract?ref=github&utm_source=github&utm_medium=referral&utm_campaign=creator_badge)

Señal de comunidad

Comparte si este skill resulta útil para tu flujo de Agent. Los comentarios agregados mejoran la clasificación con el tiempo.