SoftwareFramework

LangGraph

LangGraph is a framework maintained by LangChain Inc.2 3 Its source code is public1 under the MIT License3.

LangGraph is an open-source, low-level orchestration framework and runtime for long-running, stateful agents. It is built by LangChain Inc. but can be used without the LangChain library, and a JavaScript/TypeScript version, LangGraph.js, lives in a separate repository. The README credits Pregel and Apache Beam as inspirations.2 5

Repository: Repository (external site: github.com)
Documentation: Documentation (external site: docs.langchain.com)
License: LICENSE (external site: github.com)
Release notes: Releases (external site: github.com)

Last reviewedSep 29, 2026Entry updated Sep 29, 2026Documented release Unknown

Availability and license

Overall availability

Public

Documented as available to the general public. Access conditions and license terms may still apply.1 3

Availability fact review: not separately recorded

Availability is separate from permission: read the license before using or redistributing.

MIT License (external site: github.com)3
Applies to: Code · SPDX MIT · on the rubric’s OSI-approved software-license list · fact-level rights review not recorded
Plain-language guide to the MIT License

The MIT license covers the open-source library. For production deployment the README points to LangSmith Deployment, a separate LangChain product that runs in LangChain's cloud, in a hybrid setup, or self-hosted.3 2 7

Component reuse rights

A readable or downloadable component is not automatically reusable. These indicators concern recorded license evidence, not system certification.

weights: Unknown — no complete fact-level rights review
code: Unknown — no complete fact-level rights review
data: Unknown — no complete fact-level rights review
documentation: Unknown — no complete fact-level rights review

No complete system-rights review is recorded for this release.

Public materials checklist

Items for a framework under USASI rubric v0.2. Unknown means unassessed or insufficient evidence.

Public materials checklist for LangGraph
Item	Status	Notes and evidence
Source codeIs the source code publicly readable?	Public	1
DocumentationIs user documentation published?	Public	5
InstallationAre installation instructions or packages publicly available?	Public	Installed from PyPI with pip or uv. LLM provider packages are installed separately.6
Supported platformsAre supported operating systems or hardware documented?	Public	The install guide lists Python 3.10 or newer (the requirement shown is for LangChain, which the guide recommends installing alongside). It does not list operating-system restrictions.6
Release statusAre versioned releases published?	Public	Versioned releases are published on GitHub for the library and related packages, such as the CLI, SDK, and checkpointers.4

What it is useful for

Agent workflows that must survive failures and resume from where they stopped, that let humans inspect or change agent state mid-run, and that need short-term and long-term memory.5 2

Organization context

LangChain

U.S. eligibility

Project eligibility rests on documented governing or maintaining entities, not on contributors.

Eligible · basis: U.S.-governed project

The README says LangGraph is built by LangChain Inc., and the LICENSE file assigns copyright to LangChain, Inc. LangChain's about page says the company is headquartered in San Francisco, and its terms of service identify LangChain Inc. as a Delaware corporation. No foundation or multi-organization governance body is documented.2 3 8 9

Assessed Sep 29, 2026

Sources

1.
langchain-ai/langgraph (external site: github.com)
LangChain · Repository · accessed Sep 29, 2026
2.
LangGraph README (external site: github.com)
LangChain · Repository · accessed Sep 29, 2026
3.
LangGraph LICENSE (external site: github.com)
LangChain · License · accessed Sep 29, 2026
4.
LangGraph releases (external site: github.com)
LangChain · Release notes · accessed Sep 29, 2026
5.
LangGraph overview - Docs by LangChain (external site: docs.langchain.com)
LangChain · Documentation · accessed Sep 29, 2026
6.
Install LangGraph - Docs by LangChain (external site: docs.langchain.com)
LangChain · Documentation · accessed Sep 29, 2026
7.
LangSmith Deployment - Docs by LangChain (external site: docs.langchain.com)
LangChain · Documentation · accessed Sep 29, 2026
8.
About LangChain: an open platform to own your intelligence (external site: langchain.com)
LangChain · Official page · accessed Sep 29, 2026
9.
Terms of Service (external site: langchain.com)
LangChain · Official page · published Jun 2, 2026 · accessed Sep 29, 2026

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APA style

USASI. (2026, September 29). LangGraph. United States of America Superintelligence. https://unitedstatesofamericasuperintelligence.com/open/langgraph/

BibTeX

@misc{usasi_langgraph,
  author = {{USASI}},
  title = {LangGraph},
  year = {2026},
  month = sep,
  howpublished = {\url{https://unitedstatesofamericasuperintelligence.com/open/langgraph/}},
  note = {United States of America Superintelligence. Last updated 2026-09-29}
}

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