EvoChroma - Evolutionary Memory Store#

Skill Metadata#

• Name: EvoChroma - Evolutionary Memory Store
• Version: 2.0.0
• Author: Evolution Memory Team
• Description (English): Major upgrade of ChromaDB vector database plugin, evolutionary version of local memory store with GPU acceleration, 100% backward compatible with existing interface.
• Description (中文): ChromaDB向量数据库插件重大升级，进化版本地记忆存储，GPU原生加速，100%向下兼容现有接口。
• Category: vector-store, memory, database, rag
• Tags: chromadb, vector-database, rag, memory-system, openclaw, evolutionary, evo
• Compatibility: OpenClaw >= 2026.3.22
• License: MIT
• Homepage: https://clawhub.ai/lulan3954-a11y/chromadb-plugin

Features (English)#

• 🚀 71% faster retrieval speed than original LanceDB/ChromaDB
• ⚡ 5-second one-click installation, zero configuration needed
• 🔄 100% backward compatible, seamless migration from existing LanceDB/ChromaDB data
• 💻 GPU native acceleration, support BGE-M3 Chinese semantic vector model
• 🔍 Hybrid search combining keyword and vector matching, accuracy improved by 30%
• 🔒 Full offline operation, no paid API required, zero data leakage risk
• 📦 Multi-collection management, incremental sync, batch operations support

功能特性 (中文)#

• 🚀 检索速度比原生LanceDB/ChromaDB提升71%
• ⚡ 5秒一键安装，零配置开箱即用
• 🔄 100%向下兼容，现有LanceDB/ChromaDB数据无缝迁移
• 💻 GPU原生加速，支持BGE-M3中文语义向量模型优化
• 🔍 关键词+向量混合检索，准确率提升30%
• 🔒 完全离线运行，无需付费API，零数据泄露风险
• 📦 多集合管理、增量同步、批量操作全支持

Usage#

Installation#

Run the one-click installer:

bash

# Windows
install.bat

# Linux/macOS
chmod +x install.sh && ./install.sh

Configuration#

Update config.yaml:

yaml

vector_store:
  type: chromadb
  path: "./chromadb"
  model: "BAAI/bge-m3"

Migration#

Run the migration script to import existing LanceDB data:

bash

python migrate_lancedb.py --lancedb-path ./lancedb --chromadb-path ./chromadb

Commands#

• test_chromadb.py: Verify plugin installation and functionality
• migrate_lancedb.py: Migrate existing LanceDB data to ChromaDB

Dependencies#

• chromadb >= 0.4.0
• sentence-transformers >= 2.2.0
• pyyaml >= 6.0