SameSite Cookie Defaults
New会话 cookie 默认 SameSite=Lax 或 Strict；跨站回调才用 None+Secure，并写明原因。
SameSite Cookie Defaults is an Agent skill for Security. 会话 cookie 默认 SameSite=Lax 或 Strict；跨站回调才用 None+Secure，并写明原因。 Tags: Cookie · SameSite · CSRF.
What is SameSite Cookie Defaults
SameSite Cookie Defaults packages a Security workflow for agents. 会话 cookie 默认 SameSite=Lax 或 Strict；跨站回调才用 None+Secure，并写明原因。
Install SameSite Cookie Defaults 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 SameSite Cookie Defaults.
Cursor After the install command writes the skill directory, invoke SameSite Cookie Defaults 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 SameSite Cookie Defaults.
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 SameSite Cookie Defaults for?
SameSite Cookie Defaults is a Security skill. 会话 cookie 默认 SameSite=Lax 或 Strict；跨站回调才用 None+Secure，并写明原因。
Can Claude, Cursor, and Codex all use SameSite Cookie Defaults?
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 Security group so you can pick a closer workflow.