aivelikivodja-bot/elara-core: Persistent memory, mood, and self-awareness for AI assistants. 34 MCP tools, 11 modules, 19K lines of Python.


Your AI doesn’t remember yesterday. Elara fixes that.

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Persistent presence, mood, memory, and self-awareness for AI assistants. 34 MCP tools. 11 modules. 19K lines of Python. Zero cloud dependencies.

Elara gives your AI assistant a sense of continuity across sessions. It remembers what you were working on, tracks emotional state, learns from mistakes, and builds semantic memory — all through the Model Context Protocol (MCP).

You: "What were we working on last week?"
Elara: recalls from semantic memory, checks episode history, surfaces relevant goals

You: "I keep making the same mistake with async/await"
Elara: saves correction, surfaces it next time you touch async code

You: "How's the project going?"
Elara: runs weekly dream, shows momentum trends, flags stalled goals

Everything stays local. No cloud. No telemetry. Your data lives in ~/.elara/.

  • Presence tracking — knows when you’re here, how long you’ve been gone
  • Mood and emotional state — valence, energy, openness with natural decay
  • Semantic memory — ChromaDB-backed vector search across conversations
  • Episodic memory — session tracking with milestones, decisions, insights
  • Dream mode — weekly/monthly pattern discovery across sessions
  • Reasoning trails — track hypothesis chains for debugging complex problems
  • Corrections — learn from mistakes, surface relevant ones before repeating
  • Goal tracking — persistent goals with staleness detection
  • Business intelligence — idea scoring, competitor tracking, pitch analytics
  • Session handoff — structured carry-forward between sessions
  • Self-awareness — reflection, blind spots, relationship pulse, growth intentions
  • 34 MCP tools across 11 modules
┌─────────────────────────────────────────────────────────────┐
│                      MCP CLIENTS                            │
│           Claude Code · Cursor · Windsurf · Cline           │
└──────────────────────────┬──────────────────────────────────┘
                           │ MCP Protocol
┌──────────────────────────▼──────────────────────────────────┐
│                     elara_mcp/tools/                        │
│                                                             │
│  ┌─────────┐ ┌──────────┐ ┌────────┐ ┌──────────────────┐  │
│  │  MOOD   │ │ EPISODES │ │ MEMORY │ │ GOALS/CORRECTIONS│  │
│  │ 5 tools │ │ 5 tools  │ │4 tools │ │    5 tools       │  │
│  └────┬────┘ └────┬─────┘ └───┬────┘ └────────┬─────────┘  │
│  ┌────┴────┐ ┌────┴─────┐ ┌───┴────┐ ┌────────┴─────────┐  │
│  │COGNITIVE│ │AWARENESS │ │ DREAMS │ │   MAINTENANCE    │  │
│  │ 3 tools │ │ 5 tools  │ │2 tools │ │    3 tools       │  │
│  └────┬────┘ └────┬─────┘ └───┬────┘ └────────┬─────────┘  │
│  ┌────┴────┐ ┌────┴─────┐ ┌───┴────────────────┘           │
│  │  GMAIL  │ │   LLM    │ │  BUSINESS                      │
│  │ 1 tool  │ │  1 tool  │ │  1 tool                        │
│  └─────────┘ └──────────┘ └───────────────────              │
└──────────────────────────┬──────────────────────────────────┘
                           │
┌──────────────────────────▼──────────────────────────────────┐
│                     daemon/ + core/                         │
│                                                             │
│  State Engine    Emotions    Decay     Presence    Schemas  │
│  Mood Math       Imprints    Events    Allostatic  Paths    │
└──────────────────────────┬──────────────────────────────────┘
                           │
┌──────────────────────────▼──────────────────────────────────┐
│                    ChromaDB (7 collections)                  │
│                                                             │
│  memories · milestones · conversations · corrections        │
│  reasoning · synthesis · briefing                           │
└─────────────────────────────────────────────────────────────┘

Full tool reference → · Quickstart guide →

Complete documentation is available at elara.navigatorbuilds.com.

Windows users: When installing Python, check “Add python.exe to PATH” at the bottom of the installer. This is unchecked by default and without it pip and python commands won’t work.

If Python is already installed but pip isn’t recognized, try python -m pip instead of pip, or py -m pip on Windows.

pip install elara-core
elara init
claude mcp add elara -- elara serve

Windows (Command Prompt or PowerShell)

py -m pip install elara-core
elara init
claude mcp add elara -- elara serve

If py doesn’t work, try python -m pip install instead.

That’s it. Elara is now available as an MCP server in your Claude Code sessions.

By default, Elara stores data in ~/.elara/. Override with:

# Environment variable
export ELARA_DATA_DIR=~/.claude

# Or CLI flag
elara serve --data-dir ~/.claude

Elara’s personality is defined in your CLAUDE.md file, not in the code. See examples/CLAUDE.md.example for a template.

Module Tools Description
Memory elara_remember, elara_recall, elara_recall_conversation, elara_conversations Semantic memory — store and search by meaning
Mood elara_mood, elara_mood_adjust, elara_imprint, elara_mode, elara_status Emotional state with natural decay
Episodes elara_episode_start, elara_episode_note, elara_episode_end, elara_episode_query, elara_context Session lifecycle and continuity
Goals elara_goal, elara_goal_boot, elara_correction, elara_correction_boot, elara_handoff Persistent tracking and learning
Awareness elara_reflect, elara_insight, elara_intention, elara_observe, elara_temperament Self-reflection and growth
Dreams elara_dream, elara_dream_info Pattern discovery across sessions
Cognitive elara_reasoning, elara_outcome, elara_synthesis Reasoning trails and idea synthesis
Business elara_business Idea scoring and competitor tracking
LLM elara_llm Local LLM interface (Ollama)
Maintenance elara_rebuild_indexes, elara_briefing, elara_snapshot Index management and RSS feeds

  • Python: 3.10+
  • OS: Linux, macOS, Windows (WSL)
  • MCP Clients: Claude Code, Claude Desktop, Cursor, or any MCP-compatible client
core/           Main orchestrator + central paths
daemon/         State, mood, presence, dreams, reasoning, corrections
memory/         ChromaDB vector memory, conversations, episodes
elara_mcp/      MCP server + 34 tool definitions
hooks/          Claude Code session hooks
interface/      Web dashboard (optional)
voice/          TTS via Piper (optional)
senses/         System monitoring (optional)

Key patterns:

  • Mixin composition for large modules (Overwatch, ConversationMemory, EpisodicMemory)
  • Singleton pattern via get_*() functions for memory systems
  • Pydantic schemas for data validation
  • Atomic writes to prevent corruption
  • Central paths module (core/paths.py) — single source of truth for all file locations
# Clone and install in dev mode
git clone https://github.com/aivelikivodja-bot/elara-core.git
cd elara-core
python -m venv venv
source venv/bin/activate
pip install -e ".[dev]"

# Run tests
pytest

# Run MCP server locally
elara serve

If you already have Elara data in ~/.claude/, set the environment variable and everything keeps working:

export ELARA_DATA_DIR=~/.claude

The elara- prefix is preserved in all filenames for backward compatibility.

Using Elara in your project? Add the badge:

[![Powered by Elara Core](https://elara.navigatorbuilds.com/badge.svg)](https://elara.navigatorbuilds.com)

Powered by Elara Core



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