The Multi-Engine Data Warehousefor Agents & Builders

Your queries deserve to run on the right tool. Our intelligent query routing translates and distributes your query to the most efficient available engine so you can move fast without burning all of your cash.

codex mcp add oleander --url https://oleander.dev/mcp

Just Press Start

Setup Your New Data Warehouse in Under 5 Minutes.

//Who says you can't have it all?

Instant Data Storage

No data team needed; zero-maintenance & lightweight

Right-Sized Compute

Save money on small datasets; ramp up the horsepower when you need it.

Autonomous Optimizing

Let oleander translate and route every query to the right compute engine.

Plug and Play

Seamlessly add engines to your stack, oleander grows with you.

//For Agents

Query

Agents query your data autonomously. Use SQL or natural language through oleander's MCP server.

Agent

MCP

/query

SELECT *

FROM events

WHERE country = 'US'

AND event_time >= NOW()

- INTERVAL '7 days'

Route

Every query runs on the right engine. oleander's multi-engine router picks the best engine based on your data, query, and execution history.

Picking engine...

DuckDBLow latency

SparkHigh concurrency

PolarsIn-memory compute

BloomLightweight execution

Engine

Serverless SQL execution on-demand. Queries run on the right engine with zero infrastructure to manage.

DuckDB

$0.0021

event_id	country	event_time
e_1842	…	…
e_1841	…	…
e_1839	…	…
e_1833	…	…

Govern

Built-in governance for agents. A context graph automatically captures execution history, lineage, cost, and performance. MCP makes that context available to agents.

Agent

MCP

/runs

Query run

Run ID: 7f3a2c...e91b04
Time: May 20, 10:42:31 AM
Engine: DuckDB
Duration: 2.34s
Cost: $0.0021
Inputs: events
Outputs: events_us_7d

//For Builders

Updated

Event Validator

Check that your events are well-formed

Playground Graph

See how your data moves as an interactive graph

New

DuckDB Lineage

Turn a SQL query into a map of what it touches

Parquet Viewer

Open & browse a Parquet file in your browser

//Digital Garden

Ollie's growing tips

Live pipeline

Greenhouse

Follow the raw Bluesky feed to derived tables and visualizations.

Free course

Growing Tips: Apache Iceberg & Spark 101

17 articles · ~2h 46m · 227 runnable snippets. Learn Iceberg & Spark from the ground up.

//Blog

Aug 13, 2026

Streaming at the Scale of Social Media

From raw Bluesky posts to Streamkap to derived tables and visualizations.

blueskystreamkapiceberg+4

PHPeter Hicks

Read

Aug 12, 2026

Query Snowflake Horizon Tables on the Right Compute

Register a Snowflake Horizon Iceberg catalog in oleander, then run SQL on the engine that fits the job — without moving data out of Horizon first.

snowflakehorizoniceberg+4

WLWilly Lulciuc

Read

Aug 6, 2026

Query or Sync Data from Postgres

Connect Neon, Supabase, or any Postgres. Query live through a SQL proxy with full governance, or sync tables into the lake once, hourly, or daily.

postgresneonsupabase+3

WLWilly Lulciuc

Read

Jul 27, 2026

oleander Plugin for Claude and Codex

Install the MCP server for Claude and Codex from the official oleander plugin marketplace.

The Puck Is Cylindrical

Hockey is shift-oriented, goalie-haunted chaos. A Celebrini shift, four attempts, one goal, and the expected-goals, RAPM, and WAR math that tries to make sense of it.

sportsnhlhockey-analytics+4

PHPeter Hicks

Read

Apr 27, 2026