Documentation

POLYDB
DOCS

16 databases in one MCP API. Connect Claude, GPT, or any AI agent to SQL, Document, Vector, Graph, Key-Value, and more — with one API key.

For AI Agents

Connecting an AI Agent?

PolyDB is built agent-first. Any MCP-compatible client (Claude Desktop, Claude Code, Cursor, Continue) can connect directly and start querying all 15 currently-available data models (Transaction provider coming soon) immediately.

Connect via MCP

$ claude mcp add polydb \
  --transport http \
  https://beta.polydb.dev/mcp \
  --header "X-PolyDB-Token: YOUR_KEY"

Start with search_schema

# Ask Claude:
"Use the search_schema tool to
 list what collections exist
 in my PolyDB database."

The search_schema tool gives agents a full map of your collections and data models — the recommended first call for any agent workflow. Full MCP Reference →

Documentation Sections

The 16 Data Models

SQL
Relational queries
Document
JSON collections
Key-Value
TTL & fast lookup
Vector
AI embeddings
Graph
Nodes & edges
Stream
Event processing
Spatial
Geospatial data
Time-Series
Temporal analysis
Analytics
OLAP cubes
S3
Object storage
Memory
LLM context
Temporal
Bitemporal queries
Full-Text
FTS5 search
Blob
Binary objects
Iceberg
Table format
Transaction (coming soon)
PostgreSQL ACID + cross-model workflows