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Langgraph JS CLI doesn't support Node versions other than v20. #311

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opened 2026-02-15 18:15:47 -05:00 by yindo · 0 comments
yindo commented 2026-02-15 18:15:47 -05:00
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Originally created by @devinmcgloin on GitHub (Jul 22, 2025).

Checked other resources

  • I added a very descriptive title to this issue.
  • I searched the LangGraph.js documentation with the integrated search.
  • I used the GitHub search to find a similar question and didn't find it.
  • I am sure that this is a bug in LangGraph.js rather than my code.
  • The bug is not resolved by updating to the latest stable version of LangGraph (or the specific integration package).

Example Code

I've set the node_version to 22, as suggested in https://github.com/langchain-ai/langgraphjs/issues/817. That works well in the langgraph platform but if I run langgraphjs dev locally it throws a zod validation error.

$ langgraphjs dev
error:   ▪ ZodError: [
  {
    "received": "22",
    "code": "invalid_literal",
    "expected": "20",
    "path": [
      "node_version"
    ],
    "message": "Invalid literal value, expected \"20\""
  }
]
    at get error (file:///Users/devinmcgloin/deca/deca-ai-api/node_modules/@langchain/langgraph-cli/node_modules/zod/v3/types.js:39:31)
    at ZodObject.parse (file:///Users/devinmcgloin/deca/deca-ai-api/node_modules/@langchain/langgraph-cli/node_modules/zod/v3/types.js:114:22)
    at getConfig (file:///Users/devinmcgloin/deca/deca-ai-api/node_modules/@langchain/langgraph-cli/dist/utils/config.mjs:93:29)
    at prepareContext (file:///Users/devinmcgloin/deca/deca-ai-api/node_modules/@langchain/langgraph-cli/dist/cli/dev.mjs:71:28)
    at async launchServer (file:///Users/devinmcgloin/deca/deca-ai-api/node_modules/@langchain/langgraph-cli/dist/cli/dev.mjs:108:46)

I believe this line needs to be updated:
https://github.com/langchain-ai/langgraphjs/blob/1e7857c1fcd4b733b4e898bf5cecbfb83ab589c9/libs/langgraph-cli/src/utils/config.mts#L63

Error Message and Stack Trace (if applicable)

No response

Description

I'm using the langgraph platform to run a agent that uses node_version 22, the cli however doesn't support v22 despite the platform supporting it.

System Info

$ yarn info @langchain/langgraph-cli --json | jq '.data.version'
"0.0.50"

yarn info v1.22.22
{
  name: '@langchain/langgraph-cli',
  'dist-tags': {
    next: '0.0.17',
    latest: '0.0.50'
  },
  versions: [
    '0.0.0-preview.4',
    '0.0.0-preview.5',
    '0.0.0-preview.6',
    '0.0.0-preview.7',
    '0.0.0-preview.8',
    '0.0.0-preview.9',
    '0.0.0-preview.10',
    '0.0.0-preview.11',
    '0.0.1',
    '0.0.2',
    '0.0.3',
    '0.0.4',
    '0.0.5',
    '0.0.6',
    '0.0.7',
    '0.0.8-dev.0',
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  license: 'MIT',
  repository: {
    type: 'git',
    url: 'git@github.com:langchain-ai/langgraphjs-api.git'
  },
  maintainers: [
    {
      name: 'hwchase17',
      email: 'hw.chase.17@gmail.com'
    },
    {
      name: 'jacoblee93',
      email: 'jacoblee93@gmail.com'
    },
    {
      name: 'basproul',
      email: 'braceasproul@gmail.com'
    },
    {
      name: 'eric_langchain',
      email: 'eric@langchain.dev'
    },
    {
      name: 'andrewnguonly',
      email: 'andrewnguonly@gmail.com'
    },
    {
      name: 'nfcampos',
      email: 'nuno@boringbits.io'
    },
    {
      name: 'davidduong',
      email: 'david@duong.cz'
    },
    {
      name: 'maddyadams',
      email: 'madelyn.adams1@gmail.com'
    },
    {
      name: 'sam_noyes',
      email: 'sam@langchain.dev'
    },
    {
      name: 'hntrl',
      email: 'hunter@hntrl.io'
    }
  ],
  version: '0.0.50',
  type: 'module',
  engines: {
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  },
  main: './dist/server.mjs',
  types: './dist/server.d.mts',
  bin: {
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  },
  scripts: {
    clean: 'rm -rf dist/ .turbo/',
    build: 'yarn turbo:command build:internal --filter=@langchain/langgraph-cli',
    'build:internal': 'yarn clean && node scripts/build.mjs',
    prepack: 'yarn run build',
    typecheck: 'tsc --noEmit',
    cli: 'tsx src/cli/cli.mts',
    'cli:watch': 'tsx watch src/cli/cli.mts',
    test: 'vitest run',
    format: 'prettier --write .',
    'format:check': 'prettier --check .'
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Done in 0.15s.
Originally created by @devinmcgloin on GitHub (Jul 22, 2025). ### Checked other resources - [x] I added a very descriptive title to this issue. - [x] I searched the LangGraph.js documentation with the integrated search. - [x] I used the GitHub search to find a similar question and didn't find it. - [x] I am sure that this is a bug in LangGraph.js rather than my code. - [x] The bug is not resolved by updating to the latest stable version of LangGraph (or the specific integration package). ### Example Code I've set the node_version to 22, as suggested in https://github.com/langchain-ai/langgraphjs/issues/817. That works well in the langgraph platform but if I run `langgraphjs dev` locally it throws a zod validation error. ``` $ langgraphjs dev error: ▪ ZodError: [ { "received": "22", "code": "invalid_literal", "expected": "20", "path": [ "node_version" ], "message": "Invalid literal value, expected \"20\"" } ] at get error (file:///Users/devinmcgloin/deca/deca-ai-api/node_modules/@langchain/langgraph-cli/node_modules/zod/v3/types.js:39:31) at ZodObject.parse (file:///Users/devinmcgloin/deca/deca-ai-api/node_modules/@langchain/langgraph-cli/node_modules/zod/v3/types.js:114:22) at getConfig (file:///Users/devinmcgloin/deca/deca-ai-api/node_modules/@langchain/langgraph-cli/dist/utils/config.mjs:93:29) at prepareContext (file:///Users/devinmcgloin/deca/deca-ai-api/node_modules/@langchain/langgraph-cli/dist/cli/dev.mjs:71:28) at async launchServer (file:///Users/devinmcgloin/deca/deca-ai-api/node_modules/@langchain/langgraph-cli/dist/cli/dev.mjs:108:46) ``` I believe this line needs to be updated: https://github.com/langchain-ai/langgraphjs/blob/1e7857c1fcd4b733b4e898bf5cecbfb83ab589c9/libs/langgraph-cli/src/utils/config.mts#L63 ### Error Message and Stack Trace (if applicable) _No response_ ### Description I'm using the langgraph platform to run a agent that uses node_version 22, the cli however doesn't support v22 despite the platform supporting it. ### System Info ``` $ yarn info @langchain/langgraph-cli --json | jq '.data.version' "0.0.50" ``` ``` yarn info v1.22.22 { name: '@langchain/langgraph-cli', 'dist-tags': { next: '0.0.17', latest: '0.0.50' }, versions: [ '0.0.0-preview.4', '0.0.0-preview.5', '0.0.0-preview.6', '0.0.0-preview.7', '0.0.0-preview.8', '0.0.0-preview.9', '0.0.0-preview.10', '0.0.0-preview.11', '0.0.1', '0.0.2', '0.0.3', '0.0.4', '0.0.5', '0.0.6', '0.0.7', '0.0.8-dev.0', '0.0.8-dev.1', '0.0.8-dev.2', '0.0.8', '0.0.9', '0.0.10', '0.0.11', '0.0.12', '0.0.13', '0.0.14-experimental.0', '0.0.14-experimental.1', '0.0.14', '0.0.15', '0.0.16', '0.0.17', 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'git@github.com:langchain-ai/langgraphjs-api.git' }, maintainers: [ { name: 'hwchase17', email: 'hw.chase.17@gmail.com' }, { name: 'jacoblee93', email: 'jacoblee93@gmail.com' }, { name: 'basproul', email: 'braceasproul@gmail.com' }, { name: 'eric_langchain', email: 'eric@langchain.dev' }, { name: 'andrewnguonly', email: 'andrewnguonly@gmail.com' }, { name: 'nfcampos', email: 'nuno@boringbits.io' }, { name: 'davidduong', email: 'david@duong.cz' }, { name: 'maddyadams', email: 'madelyn.adams1@gmail.com' }, { name: 'sam_noyes', email: 'sam@langchain.dev' }, { name: 'hntrl', email: 'hunter@hntrl.io' } ], version: '0.0.50', type: 'module', engines: { node: '^18.19.0 || >=20.16.0' }, main: './dist/server.mjs', types: './dist/server.d.mts', bin: { langgraphjs: 'dist/cli/cli.mjs' }, scripts: { clean: 'rm -rf dist/ .turbo/', build: 'yarn turbo:command build:internal --filter=@langchain/langgraph-cli', 'build:internal': 'yarn clean && node scripts/build.mjs', prepack: 'yarn run build', typecheck: 'tsc --noEmit', cli: 'tsx src/cli/cli.mts', 'cli:watch': 'tsx watch src/cli/cli.mts', test: 'vitest run', format: 'prettier --write .', 'format:check': 'prettier --check .' }, dependencies: { '@babel/code-frame': '^7.26.2', '@commander-js/extra-typings': '^13.0.0', '@langchain/langgraph-api': '0.0.50', chokidar: '^4.0.3', commander: '^13.0.0', dedent: '^1.5.3', dotenv: '^16.4.7', execa: '^9.5.2', 'exit-hook': '^4.0.0', 'extract-zip': '^2.0.1', langsmith: '^0.3.33', open: '^10.1.0', 'package-manager-detector': '^1.3.0', 'stacktrace-parser': '^0.1.10', tar: '^7.4.3', winston: '^3.17.0', 'winston-console-format': '^1.0.8', yaml: '^2.7.0', zod: '^3.23.8' }, devDependencies: { '@types/babel__code-frame': '^7.0.6', '@types/node': '^18.15.11', prettier: '^2.8.3', tsx: '^4.19.3', typescript: '^4.9.5 || ^5.4.5', vitest: '^3.1.2' }, gitHead: '8c58ad1fbcdae54b14342374a3915d3afca70b8d', dist: { shasum: 'fd3d573f560e067c4a15cf7ed6872b6f4314a7f8', integrity: 'sha512-BOQI0IRh7QxCQi568R5xmwQkt+DGGVLkZq9YHg8Lspq+69yIXpCT7pZekRwO+y//dpEiNP66x/MT56zmIiWmuA==', tarball: 'https://registry.npmjs.org/@langchain/langgraph-cli/-/langgraph-cli-0.0.50.tgz', fileCount: 25, unpackedSize: 82871, signatures: [ { keyid: 'SHA256:DhQ8wR5APBvFHLF/+Tc+AYvPOdTpcIDqOhxsBHRwC7U', sig: 'MEUCIQD4foL845mxSKivFfNLoP/dfI70FfLhi/4rKrERyOcKeQIgEz4Xjfv56iqIvBJZR9HKKgZNlOQwFN/wR/SeMgzf+yk=' } ] }, directories: {} } Done in 0.15s. ```
yindo closed this issue 2026-02-15 18:15:47 -05:00
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Reference: langchain-ai/langgraphjs#311
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