# ZeroDB > AI-native serverless database with vector search, agent memory, knowledge graphs, and free embeddings ## API Base URL https://api.ainative.studio/v1 ## Authentication Bearer token via Authorization header or X-API-Key header ## Core Capabilities ### Vector Search - HNSW indexing with free BAAI/bge embeddings - Semantic similarity search with metadata filtering - Batch upsert and search operations ### Agent Memory (ZeroMemory) - remember: Store facts with auto-embedding and entity extraction - recall: Semantic search with importance-weighted decay scoring - forget: GDPR-compliant deletion by ID, user, session, or time range - reflect: Agent self-reflection on stored memories - profile: Build user profiles from memories - relate: Entity relationship queries ### Context Graph - Automatic entity extraction (3-tier: regex, GLiNER, LLM) - Knowledge graph with typed relationships and temporal validity - GraphRAG: hybrid vector + graph search - Entity merge, deduplication, and timeline - Configurable domain ontologies (17 templates) - Decision traces for agent reasoning auditability ### Additional - NoSQL tables with JSON document storage - Event streaming for agent workflows - S3-compatible file storage - Dedicated PostgreSQL instances - 77-tool MCP server ## Quick Start npx zerodb-cli init ## MCP Servers - zerodb-memory (6 tools): npx ainative-zerodb-memory-mcp - zerodb-full (77 tools): npx ainative-zerodb-mcp-server ## Documentation https://api.ainative.studio/api/v1/docs ## Pricing Free tier available. Pro $49/mo, Business $149/mo, Enterprise $699/mo.