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This PR was opened by the [Changesets release](https://github.com/changesets/action) GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated. # Releases ## @langchain/langgraph-api@1.4.4 ### Patch Changes - [#2645](https://github.com/langchain-ai/langgraphjs/pull/2645) [`059f3b8`](https://github.com/langchain-ai/langgraphjs/commit/059f3b8200d1f2f6bd701eb26bac24675395918a) Thanks [@christian-bromann](https://github.com/christian-bromann)! - fix(langgraph-api): stop wiping graph recursionLimit with undefined When a run omitted `config.recursion_limit`, the server still passed `recursionLimit: undefined` into `streamEvents`. Pregel spreads that over the graph's `withConfig` default, so agents fell back to langchain-core's 25. Omit undefined keys so bound limits (and deepagents' 10000) stick. - Updated dependencies [[`059f3b8`](https://github.com/langchain-ai/langgraphjs/commit/059f3b8200d1f2f6bd701eb26bac24675395918a)]: - @langchain/langgraph-ui@1.4.4 ## @langchain/langgraph-cli@1.4.4 ### Patch Changes - [#2645](https://github.com/langchain-ai/langgraphjs/pull/2645) [`059f3b8`](https://github.com/langchain-ai/langgraphjs/commit/059f3b8200d1f2f6bd701eb26bac24675395918a) Thanks [@christian-bromann](https://github.com/christian-bromann)! - fix(langgraph-api): stop wiping graph recursionLimit with undefined When a run omitted `config.recursion_limit`, the server still passed `recursionLimit: undefined` into `streamEvents`. Pregel spreads that over the graph's `withConfig` default, so agents fell back to langchain-core's 25. Omit undefined keys so bound limits (and deepagents' 10000) stick. - Updated dependencies [[`059f3b8`](https://github.com/langchain-ai/langgraphjs/commit/059f3b8200d1f2f6bd701eb26bac24675395918a)]: - @langchain/langgraph-api@1.4.4 ## @langchain/langgraph@1.4.9 ### Patch Changes - [#2653](https://github.com/langchain-ai/langgraphjs/pull/2653) [`7880055`](https://github.com/langchain-ai/langgraphjs/commit/7880055ac7303483e424380cdd52f54cd094e311) Thanks [@christian-bromann](https://github.com/christian-bromann)! - fix(langgraph): checkpoint Topic as a flat values list Match Python Topic checkpoints so Host JS graphs no longer put `__pregel_tasks: [[], []]` through the Python checkpointer. Keep reading legacy `[seen, values]` checkpoints for restore compatibility. ## @langchain/langgraph-ui@1.4.4 ### Patch Changes - [#2645](https://github.com/langchain-ai/langgraphjs/pull/2645) [`059f3b8`](https://github.com/langchain-ai/langgraphjs/commit/059f3b8200d1f2f6bd701eb26bac24675395918a) Thanks [@christian-bromann](https://github.com/christian-bromann)! - fix(langgraph-api): stop wiping graph recursionLimit with undefined When a run omitted `config.recursion_limit`, the server still passed `recursionLimit: undefined` into `streamEvents`. Pregel spreads that over the graph's `withConfig` default, so agents fell back to langchain-core's 25. Omit undefined keys so bound limits (and deepagents' 10000) stick. Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
LangGraph.js CLI
The official command-line interface for LangGraph.js, providing tools to create, develop, and deploy LangGraph.js applications.
Installation
The @langchain/langgraph-cli is a CLI binary that can be run via npx or installed via your package manager of choice:
npx @langchain/langgraph-cli
Commands
langgraphjs dev
Run LangGraph.js API server in development mode with hot reloading.
npx @langchain/langgraph-cli dev
langgraphjs build
Build a Docker image for your LangGraph.js application.
npx @langchain/langgraph-cli build
langgraphjs up
Run LangGraph.js API server in Docker.
npx @langchain/langgraph-cli up
langgraphjs dockerfile
Generate a Dockerfile for custom deployments
npx @langchain/langgraph-cli dockerfile <save path>
Configuration
The CLI uses a langgraph.json configuration file with these key settings:
{
// Required: Graph definitions
graphs: {
graph: "./src/graph.ts:graph",
},
// Optional: Node version (supported: "20", "22", "24")
node_version: "24",
// Optional: Environment variables
env: ".env",
// Optional: Additional Dockerfile commands
dockerfile_lines: [],
}
See the full documentation for detailed configuration options.