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Letter Hooker

Agent skill
1 skill

Extends automation-self-care with Letter Hooks, Preflight Bootloaders, Document Traversal Rules, and Self-Healing Prompt Context Enrichment for AI agents and CLIs that lack native, event-driven JSON lifecycle hooks (such as Antigravity / Gemini CLI). Use when an agent needs to inject preflight rules, search memory/gardener before work begins, enforce directory document reading strategies (CLAUDE.md / AGENTS.md), or dynamically route sidecar tasks to skills and security protocols.

Install with
Claude CodeCodexCursorGitHub CopilotGemini CLI

Supported by the Atlas install prompt. Skill-specific requirements vary.

Skill stats

Skills1CategorySecurityStars0

About this skill

Extends automation-self-care with Letter Hooks, Preflight Bootloaders, Document Traversal Rules, and Self-Healing Prompt Context Enrichment for AI agents and CLIs that lack native, event-driven JSON lifecycle hooks (such as Antigravity / Gemini CLI). Use when an agent needs to inject preflight rules, search memory/gardener before work begins, enforce directory document reading strategies (CLAUDE.md / AGENTS.md), or dynamically route sidecar tasks to skills and security protocols.

Quick start

  1. Copy the install prompt. Use the green button above this README.
  2. Send it to your agent. Paste it into your coding agent’s chat and send.
  3. Review the setup. Your agent checks the skill’s instructions, requirements, and installation scope.
Review, license & listing details
Review the source before using this skill

This is an imported listing. We haven’t certified its safety, license, or compatibility. Skills may include executable scripts.

Automated security scan: Partial

Only SKILL.md was scanned. Supporting files and scripts were not checked. No safety grade has been assigned.

0 potential findings · Scanned 11/4/2026 · Scanner 0.2.1

Content SHA-256: f0ce3e2b36ae42e9e3125800fe6ee15e88a3a10a259143af91f803f5919d2211

About scan coverage and limitations

About this listing

Category
Security
Reported license
MIT
Listing language (estimated)
English
Review status
Not individually reviewed
Agent compatibility
Atlas installation supports Claude Code, Codex, and Cursor. Skill-specific dependencies and features are checked during setup.
Letter Hooker | Agent Skills Atlas