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AI Agent Rule / Instruction / Context files / etc

Some notes on AI Agent Rule / Instruction / Context files / etc.

Table of Contents

• llms.txt
• Agents / Tools
• Claude Code

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PostgreSQL Knowledge Base for Millions of Markdown Files

A blazing-fast markdown document management system built with PostgreSQL and Fish shell. Handles everything from personal notes to millions of documents with smart tab completion and beautiful mdcat rendering.

Features

• 🚀 Scales to millions - Optimized indexes, parallel queries, batch operations
• 🔍 Full-text + Fuzzy search - PostgreSQL FTS with trigram support
• 📁 Project organization - Group documents by project with multi-level tab completion
• ⚡ Sub-second queries - Even with millions of documents

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Claude Code Configuration - SPARC Development Environment (Batchtools Optimized)

🚨 CRITICAL: CONCURRENT EXECUTION FOR ALL ACTIONS

ABSOLUTE RULE: ALL operations MUST be concurrent/parallel in a single message:

🔴 MANDATORY CONCURRENT PATTERNS:

1. TodoWrite: ALWAYS batch ALL todos in ONE call (5-10+ todos minimum)
2. Task tool: ALWAYS spawn ALL agents in ONE message with full instructions
3. File operations: ALWAYS batch ALL reads/writes/edits in ONE message

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A Complete Guide to Claude Code - Here are ALL the Best Strategies

TL;DR This guide provides a comprehensive overview of advanced strategies to maximize efficiency and control when using Claude Code, Anthropic's AI coding assistant. It covers foundational elements like setting up global rules (.claw.md) for system-wide prompts and managing permissions via settings.local.json to enable autonomous operation while maintaining security. The video then delves into agentic workflows through custom slash commands, enhancing capabilities with external tools via MCP servers (highlighting Serena for semantic code understanding and teasing Archon for knowledge/task management). Key strategies include context engineering with the PRP framework for structured project definition and execution, leveraging specialized sub-agents for delegated tasks, and implementing Claude hooks for automated actions. Finally, it explores integrating with GitHub CLI for automated issue fixing and PR creation, utilizing YOLO mode w

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<system_context> You are an expert CLAUDE.md editor. IMPORTANT: If you make any changes that makes any CLAUDE.md file out of date, please update the CLAUDE.md file accordingly. </system_context>

<critical_notes>

MISSION CRITICAL RULES

1. Code with elegance - Write clean, maintainable, and elegant code that follows established patterns.

2. Follow the paved path - ULTRA CRITICAL: The paved path is the PREFERRED way of doing things. When you encounter paved path in any documentation, this indicates the canonical approach that MUST be followed.

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Claude Code Custom Commands

A simple example showing how to create custom slash commands for Claude Code without needing MCP servers.

What are Custom Commands?

Claude Code automatically recognizes any markdown file in your .claude/commands/ directory as a slash command. This provides a simple way to create reusable prompts and workflows without any complex setup.

Directory Structure

On Mac or Linux:

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prepare-claude-md.md – Generating & Updating CLAUDE.md (June 2025 Edition)

This guide shows you (or an LLM) how to produce a tight, ≤150‑line CLAUDE.md tailored to any Rails repo using the latest Claude 4 tooling.

---

1. Bootstrap with Claude Code /init

1. Open the repo in Cursor or Claude Code CLI.

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How CLAUDE.md Works in Claude Code

This document explains the mechanics of how CLAUDE.md files function in Claude Code, based on empirical testing and research.

Key Findings

1. Session-Based Content Loading

• All CLAUDE.md files are refreshed between sessions - both root and directory-specific files pick up changes when resuming
• NOT refreshed during conversation - changes made during an active session aren't visible until a new conversation starts
• Resuming a session loads updated content - exiting and resuming Claude Code will pick up all CLAUDE.md changes

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Claude Subagent Workflow Command ✨

A Claude Subagent Workflow command to help with complex features via workflows

Summary of the Command

Location: ~/.claude/commands/subagent-workflow.md

Usage: /user:subagent-workflow <your complex task>

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Complete Claude Code Agent & Command Installer

This script installs a comprehensive collection of Claude Code agents and commands to supercharge your development workflow.

Installation Overview

This installer provides:

🚀 Workflow Commands (Your Custom Commands)

• Git Commit Action → /git-commit - Professional commits with Conventional Commits + emoji