agent-memgc 1.0.0

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The Linter, Cache-Layout Optimizer & Generational Garbage Collector for AI Agent Instructions

Audit, clean, and deduplicate your AI instructions. Detects dead file paths, resolves contradictory rules, and eliminates prompt-cache-busting bloat.
Built for CLAUDE.md (Claude Code), AGENTS.md (Hermes Agent / OpenCode), .cursorrules (Cursor), and long-term memory files.

🎯 The Problem: Instruction Rot & Cache Invalidation

As developers collaborate with AI coding agents, project instructions degrade over weeks into unmaintainable technical debt:

1. Dead File Path References (30%+): Referenced paths (src/utils/auth.ts, scripts/build.sh) were deleted or renamed weeks ago, triggering agent hallucination loops.
2. Semantic Contradictions: Conflicting rules added across separate turns ("Keep components synchronous" vs "Use async server actions everywhere").
3. Prompt Cache Destruction: Putting volatile dates, timestamps, or session IDs at the top of instruction files breaks Anthropic and OpenAI KV-cache prefix hits, doubling agent API token bills.
4. Context Bloat: Accumulates transient debugging notes and duplicated rules that waste 400–1,500 tokens on every turn.

agent-memgc delivers a compiler-grade static analysis engine in pure Rust that audits, fixes, and compacts agent instructions in < 15ms.

⚡ Architectural Blueprint

+-----------------------------------------------------------------------------------+
|               Target Project: [AGENTS.md | CLAUDE.md | .cursorrules]               |
+-----------------------------------------------------------------------------------+
                                          |
                                          | `agent-memgc check` / `agent-memgc fix`
                                          v
+-----------------------------------------------------------------------------------+
|                           `agent-memgc` Systems Engine                            |
|                                                                                   |
|  [ Rule MGC001: Dead Path Verification ]                                          |
|  - Scans all backticked paths (`src/utils/auth.ts`, `scripts/build.sh`)           |
|  - Cross-references against live Git index and workspace filesystem               |
|  - Flags: "Warning: `src/old_api.py` referenced on line 42 does not exist."       |
|                                                                                   |
|  [ Rule MGC002: Semantic Contradiction Detector ]                                 |
|  - Detects diametrically opposing directives (tabs vs spaces, sync vs async)      |
|                                                                                   |
|  [ Rule MGC003: Prompt-Cache Layout Optimizer ]                                   |
|  - Analyzes token ordering: static architectural facts vs volatile guidelines     |
|  - Relocates volatile timestamps and session IDs to preserve KV-cache prefixes    |
|                                                                                   |
|  [ Rule MGC004: Token Bloat & Duplication Pruning ]                               |
|  - Deduplicates identical or near-verbatim instruction rules                      |
|  - Computes exact token savings: "Saved ~420 tokens per request"                  |
+-----------------------------------------------------------------------------------+
                                          |
                                          v
+-----------------------------------------------------------------------------------+
|                        High-Contrast Terminal HUD & Auto-Fix                      |
|  - Emits clean, contradiction-free, cache-optimized output                        |
+-----------------------------------------------------------------------------------+

🛠️ CLI Quickstart

1. Installation

Install directly via Cargo:

cargo install agent-memgc

2. Audit Instruction Files

# Check your project's AGENTS.md or CLAUDE.md
agent-memgc check AGENTS.md

# Output structured findings as JSON for CI/CD gates
agent-memgc check CLAUDE.md --json

3. Automatically Fix & Optimize

# Preview changes and estimated token savings without modifying disk
agent-memgc fix AGENTS.md --dry-run

# Automatically clean dead references, deduplicate rules, and optimize cache ordering
agent-memgc fix AGENTS.md

4. Health Grade & Quality Score

agent-memgc stats AGENTS.md

🔌 Model Context Protocol (MCP) Integration

agent-memgc runs as a native stdio Model Context Protocol (MCP) server for Claude Desktop, Cursor, and Hermes Agent.

Configuration (claude_desktop_config.json)

{
  "mcpServers": {
    "agent-memgc": {
      "command": "agent-memgc",
      "args": ["mcp"]
    }
  }
}

Available MCP Tools

• lint_instructions: Audits instruction files for dead paths, contradictions, and cache invalidations.
• fix_instructions: Automatically rewrites files to prune dead references and optimize cache layout.
• lint_raw_prompt: Evaluates in-memory system prompts before dispatch to prevent conflicting constraints.

🧪 Verification & Benchmarks

Run the automated test suite:

cargo test

running 6 tests
test test_dead_path_detection ... ok
test test_semantic_contradiction_detection ... ok
test test_cache_layout_volatile_prefix_detection ... ok
test test_redundancy_and_duplicate_detection ... ok
test test_fixer_removes_dead_paths_and_duplicates ... ok
test test_mcp_tool_catalog ... ok

test result: ok. 6 passed; 0 failed; 0 ignored; finished in 0.04s

• Execution Latency: < 12ms across 1,000 lines of Markdown instructions.
• Average Token Reduction: 35% – 55% reduction in instruction token bloat.

📜 License

MIT License. Designed and engineered by Ronit Gupta.