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Read Me

LedgerMind

v2.8.6 · Autonomous Memory Management System for AI Agents

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LedgerMind is not a memory store — it is a living knowledge core that thinks,
heals itself, and evolves without human intervention.

License: NCSA
Python 3.10+
MCP Compatible
PyPI
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LedgerMind - Featured on AI Agents Directory      LedgerMind - Featured on AgentHunter      FindYourAgent Logo


📈 Recent Activity

Last 14 days:

  • 2,353 Git clones (647 unique cloners)
  • Strong PyPI growth (hundreds of downloads in recent days)

Installed & used in:

  • Gemini CLI (100% zero-touch, fully stable)
  • Claude Code
  • Cursor
  • VS Code

Featured & Published:


✨ Why LedgerMind?

Feature Mem0 / LangGraph LedgerMind
Autonomous healing ✅ (every 5 min)
Git-audit + versioning
4-bit on-device
Multi-agent namespacing Partial ✅ Full

What is LedgerMind?

Most AI memory systems are passive stores: you write, you read, and if the
information becomes stale or contradictory — that is your problem. LedgerMind
takes a fundamentally different approach.

LedgerMind is an autonomous knowledge lifecycle manager. It combines a
hybrid storage engine (SQLite + Git) with a built-in reasoning layer that
continuously monitors knowledge health, detects conflicts, distills raw
experience into structured rules, and repairs itself — all in the background,
without any intervention from the developer or the agent.

Core Capabilities

Capability Description
Zero-Touch Automation ledgermind install <client> automatically injects hooks into Claude Code, Cursor, or Gemini CLI for 100% transparent memory operations without MCP tool calls.
VS Code Hardcore Mode Dedicated VS Code extension for proactive context injection, terminal monitoring, and automated conversation logging without manual tool calls.
Project Bootstrapping bootstrap_project_context tool for deep analysis of project structure and automatic initialization of the agent's knowledge base.
Autonomous Heartbeat A background worker runs every 5 minutes: Git sync, reflection, decay, self-healing.
Git Evolution Automatically generates "Evolving Pattern" proposals based on code changes (minimum 2 commits).
Deep Truth Resolution Improved recursive resolution of superseded chains to ensure only the latest active truth is returned.
Self-Healing Index Automatically rebuilds the SQLite metadata index from Markdown source files if corruption or desync is detected.
Probabilistic Reflection Discover patterns using float success weights (0.0-1.0) and Target Inheritance for better clustering.
Procedural Distillation Automatically converts successful trajectories into step-by-step instructions (procedural.steps).
Intelligent Conflict Resolution Vector similarity analysis automatically supersedes outdated decisions (threshold: 70%) or triggers LLM arbitration (50-70%).
Multi-agent Namespacing Logical partitioning of memory for multiple agents within a single project.
4-bit GGUF Integration Optimized for Termux/Android with embedding caching for maximum stability.
Hybrid Storage SQLite for fast queries + Git for cryptographic audit and version history.
MCP Server 15 tools with namespacing and pagination support for any compatible client.

Architecture at a Glance

Architecture


Installation

# Basic install
pip install ledgermind

# With 4-bit vector search (recommended for CPU/Mobile)
pkg install clang cmake ninja
pip install llama-cpp-python
pip install ledgermind[vector]

Requirements: Python 3.10+, Git installed and configured in PATH.


Quick Start

The easiest way to use LedgerMind is to install the LedgerMind Hooks Pack. This automatically configures your LLM client to retrieve context before every prompt and record every interaction without the agent needing to manually call MCP tools.

Client Compatibility Matrix

Client Event Hooks Status Zero-Touch Level
VS Code onDidSave, ChatParticipant, TerminalData Hardcore (Shadow Context)
Claude Code UserPromptSubmit, PostToolUse Full (Auto-record + RAG)
Cursor beforeSubmitPrompt, afterAgentResponse Full (Auto-record + RAG)
Gemini CLI BeforeAgent, AfterAgent Full (Auto-record + RAG)
Claude Desktop Zero-Touch not available Manual MCP tools only
# Install hooks for your preferred client (vscode, claude, cursor, or gemini)
# Memory is installed in the parent directory (../.ledgermind) by default for best isolation.
ledgermind install gemini

Now, simply use your client as usual. LedgerMind operates entirely in the background.

Option B: Library (Direct Integration)

from ledgermind.core.api.bridge import IntegrationBridge

# NOTE: Using '.ledgermind' in the parent directory (outside the project root) 
# is the recommended standard. This keeps memory isolated from project code,
# prevents context pollution in analysis tools (like 'read_file'), and ensures
# memory is not accidentally committed to source control.
bridge = IntegrationBridge(
    memory_path="../.ledgermind", 
    vector_model="../.ledgermind/models/v5-small-text-matching-Q4_K_M.gguf"
)

# Inject relevant context into your agent's prompt
context = bridge.memory.search_decisions("database migrations", namespace="prod_agent")

# Record a structured decision with namespacing
bridge.memory.record_decision(
    title="Use Alembic for all database migrations",
    target="database_migrations",
    rationale="Alembic provides version-controlled, reversible migrations.",
    namespace="prod_agent"
)

Option B: MCP Server (Secure)

# Set your API key for security
export LEDGERMIND_API_KEY="your-secure-key"

# Start the MCP server
ledgermind-mcp run --path ledgermind

Key Workflows

Workflow 1: Multi-agent Namespacing — Isolation Within One Core

# Agent A decision
memory.record_decision(title="Use PostgreSQL", target="db", namespace="agent_a")

# Agent B decision (same target, different namespace)
memory.record_decision(title="Use MongoDB", target="db", namespace="agent_b")

# Search only returns what belongs to the agent
memory.search_decisions("db", namespace="agent_a") # -> Returns PostgreSQL

Workflow 2: Hybrid Search & Evidence Boost

LedgerMind uses Reciprocal Rank Fusion (RRF) to combine Keyword and Vector
search. Decisions with more "Evidence Links" (episodic events) receive a
+20% boost per link to their final relevance score.


Documentation

Document Description
API Reference Complete reference for all public methods
Integration Guide Library and MCP integration patterns
MCP Tools Reference All 15 MCP tools with namespacing and offset
Architecture Deep dive into internals and design decisions
Configuration API keys, Webhooks, and tuning

Benchmarks (February 26, 2Y, v2.8.6)

LedgerMind is optimized for high-speed operation on Android/Termux
as well as containerized environments. It includes built-in security for MCP and
REST endpoints.

Retrieval Performance (Jina v5 Small Q4_K_M)

Metric Mean Note
Search p95 (ms) 28.4 ms Hybrid RRF (Vector + Keyword)
Write p95 (ms) 242.1 ms Optimized Metadata Indexing
Memory OPS 16.2 ops/s Parallelized write throughput

License

LedgerMind is distributed under the Non-Commercial Source Available License
(NCSA)
.


LedgerMind — the foundation of AI autonomy.

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