Documentation Home
Guides and references for Chalk's context, runtime, and learning, and the tools you use to build and run them.
Get startedIntroduction
What is Chalk
An overview of the platform and what you can build with it.
Core concepts
How Context, Runtime, and Learning fit together.
Setup guide
Install the Chalk CLI, create a project, and set up credentials.
Choosing where to run code
Choose between a sandbox, a scaling group, and a function.
Context Engine
Quick start
Define, deploy, and query your first features.
Features
Define features for training and inference.
Resolvers
Write the SQL and Python that compute feature values.
Data sources
Connect databases, warehouses, and APIs.
Queries
Fetch feature values online and offline.
Streaming
Compute features from streaming sources.
Aggregations
Aggregate data over sliding time windows.
Branches
Deploy changes to a branch and test them before release.
Runtime and Learning
Sandboxes
Run code in isolated containers.
Scaling groups
Deploy autoscaling HTTP services.
Functions
Define and call remote functions.
Model registry
Track, version, and run ML models.
Model gateway
Route LLM traffic to multiple providers through one endpoint.
Model training
Run training locally or on managed GPU containers.
Evaluations
Evaluate LLM workloads against historical production data.
Notebooks
Explore and analyze data with SQL, Python, and Markdown cells.
Tools and operations
Platform architecture
How the parts of a Chalk deployment fit together.
Chalk Serverless
Run Chalk on Chalk's infrastructure.
Chalk SQL
Query everything in a Chalk environment with SQL.
MCP server
Connect AI agents to your Chalk deployment.
MCP gateway
Register and govern the external MCP servers your agents use.
Observability
Monitor pipelines and get alerts when problems arise.
Security
How Chalk protects your data.
Billing
How Chalk bills each kind of workload.
Clone a sample project
Get started with a sample project that demonstrates how to use Chalk.
Client libraries
Query for features in your favorite language.
