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Securityanthropic-community/spear
@spear-secure/hook
Ultra-compact prompt injection defense hook for Claude Code
Suggested install command
npx skills add anthropic-community/spear/@spear-secure/hookAlways inspect the linked repository and skill instructions before running commands. Skills are instructions; permissions and execution still matter.
Compatibility
Agent support matrix
3 supported
| Agent | Status |
|---|---|
| Claude Code | Supported |
| OpenCode | Not listed |
| Cursor | Supported |
| MCP | Not listed |
| GitHub Copilot | Not listed |
| Windsurf |