Null Versus Missing JSON
New约定 null 与缺字段的语义，并在 schema 写清。客户端不要把两者当一回事。
Null Versus Missing JSON is an Agent skill for Data & Visualization. 约定 null 与缺字段的语义，并在 schema 写清。客户端不要把两者当一回事。 Tags: JSON · null · schema.
What is Null Versus Missing JSON
Null Versus Missing JSON packages a Data & Visualization workflow for agents. 约定 null 与缺字段的语义，并在 schema 写清。客户端不要把两者当一回事。
Install Null Versus Missing JSON in Cursor / Claude / Codex
Claude Code Install with the command on this page, or place the skill in ~/.claude/skills or project .claude/skills so Claude can detect Null Versus Missing JSON.
Cursor After the install command writes the skill directory, invoke Null Versus Missing JSON by name in the Cursor agent.
Codex Install into the Codex skills directory and call it by name. If only a generic command is listed, run it locally and confirm Codex can see the skill.
This page has no install command. Check the project home for how to install Null Versus Missing JSON.
Please visit the Project Home to see installation and usage instructions.
How to Use
Claude Code: Place the skill in ~/.claude/skills (personal) or the project .claude/skills directory, and Claude will auto-detect it.
Cursor / Windsurf: After installing via npx skillsadd, the skill directory is placed in the configured path.
Codex CLI: After installation it loads automatically from the skills directory and is invoked by name.
Tags
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FAQ
What is Null Versus Missing JSON for?
Null Versus Missing JSON is a Data & Visualization skill. 约定 null 与缺字段的语义，并在 schema 写清。客户端不要把两者当一回事。
Can Claude, Cursor, and Codex all use Null Versus Missing JSON?
Yes if the client supports Agent Skills and has loaded the skill directory. Check the project home for compatibility notes.
What similar skills exist?
Related items come from the same Data & Visualization group so you can pick a closer workflow.