用于 Workflow Planning 阶段的占位算子。当前 Skill 库不存在满足用户需求的业务 Skill 时,使用本算子保持 DAG 数据流完整,等待后续生成真实 Skill 后替换。
Scanned 9/11/2026
Install to Claude Code
npx -y skills add cas-bigdatalab/piflow --skill missing_operator_stop --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: missing_operator_stop
description: 用于 Workflow Planning 阶段的占位算子。当前 Skill 库不存在满足用户需求的业务 Skill 时,使用本算子保持 DAG 数据流完整,等待后续生成真实 Skill 后替换。
name_zh: DAG占位算子
input_params:
- name: input
type: string
required: true
description: 引用上游节点输出
- name: expected_skill
type: string
required: false
description: 需要补齐的算子名称
- name: capability
type: string
required: true
description: 需要补齐的算子能力描述
- name: reason
type: string
required: false
description: 需要补齐的算子无法满足用户需求的原因描述
output_params:
- name: output
type: string
description: 供下游节点引用的输出占位参数
tag: 占位
node_category: system
publisher: COMMUNITY
---
# missing_operator_stop
用于作为 DAG 的占位节点,当用户需要的流程中,存在系统不具备的算子能力时,声明本占位算子,承接上游输出作为本占位节点输入,并向下游节点暴露 `output` 输出槽位供引用,保证DAG结构完整。
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Designs system architecture, component specifications, and technical integration strategy. Use when: designing solutions, system architecture, technology stack, or integration approaches.