AI agent framework GitHub stats, November 2026

Key figures

Each card is calculated from the snapshot of 2026-11-05T04:41:05.495715Z.

• Total stars

  733,506

  Sum of the star counts GitHub returned for these 19 repositories.

• Most-starred repository

  langchain-ai/langchain

  149,047 stars.

• Newest repository

  anthropics/claude-agent-sdk-python

  Created June 11, 2025.

• Release in the last 30 days

  14

  Latest release dated 30 days or fewer before 5 November 2026.

• MIT

  10

  Repositories whose GitHub licence field is MIT.

• Apache-2.0

  6

  Repositories whose GitHub licence field is Apache-2.0.

• CC-BY-4.0

  1

  Repositories whose GitHub licence field is CC-BY-4.0.

• Not detected by GitHub

  2

  GitHub returned NOASSERTION for the licence field.

Repositories

The framework name links to the GitHub repository. Open issues + PRs is GitHub's open_issues_count, which includes open pull requests. For langchain-ai/langchain, mastra-ai/mastra, and vercel/ai, the latest release tag names a package (langchain-core==1.7.6, @mastra/core@1.82.0, and @ai-sdk/zai@3.0.47). On a repository that publishes more than one package, the latest release GitHub returns is whichever package was tagged last.

Licences

GitHub's licence field splits this snapshot as follows: MIT: 10 repositories; Apache-2.0: 6 repositories; CC-BY-4.0: 1 repository; Not detected by GitHub: 2 repositories. "Not detected by GitHub" means the API returned NOASSERTION. This page does not guess a licence for those repositories.

Release recency

14 repositories have a latest release dated 30 days or fewer before 5 November 2026. The table lists the day count for every repository in the snapshot.

As of 5 November 2026, 4 repositories have a latest release 90 or more days earlier: microsoft/autogen (latest release python-v0.7.5 on September 30, 2025, 401 days); camel-ai/camel (latest release v0.2.90 on March 22, 2026, 228 days); letta-ai/letta (latest release 0.16.8 on May 14, 2026, 175 days); huggingface/smolagents (latest release v1.26.0 on May 29, 2026, 160 days). These are the dates on the tags GitHub returned. They do not say anything else about the project.

Methodology

The figures come from the public GitHub REST API. The snapshot records its source as: GitHub REST API api.github.com/repos/{owner}/{repo} and /releases/latest. The calls were GET https://api.github.com/repos/{owner}/{repo} and GET https://api.github.com/repos/{owner}/{repo}/releases/latest.

The snapshot time is 2026-11-05T04:41:05.495715Z UTC (5 November 2026).

Stars are a popularity signal. They are not a measure of quality.

The open-issues field is GitHub's open_issues_count. That count includes open pull requests, so this page labels the column open issues + PRs.

For langchain-ai/langchain, mastra-ai/mastra, and vercel/ai, the latest release tag names a package (langchain-core==1.7.6, @mastra/core@1.82.0, and @ai-sdk/zai@3.0.47). On a repository that publishes more than one package, the latest release GitHub returns is whichever package was tagged last.

Release tag text differs by repository. This page copies the tag GitHub returned and does not convert tags into one version scheme.

The licence cell is the SPDX identifier GitHub returned. NOASSERTION is shown as "Not detected by GitHub" and is not replaced with a guess.

A primary language left empty by GitHub is shown as "Not detected by GitHub".

strands-agents is not in this snapshot. The GitHub API returned a redirect for that repository, so it was left out.

The set is widely used open-source agent frameworks and SDKs.

Several of these repositories have a listing in this site's directory: LangChain (langchain-ai/langchain); CrewAI (crewAIInc/crewAI); Microsoft Agent Framework (microsoft/agent-framework); OpenAI Agents SDK (openai/openai-agents-python); Google ADK (google/adk-python); Claude Agent SDK (anthropics/claude-agent-sdk-python); smolagents (huggingface/smolagents); Pydantic AI (pydantic/pydantic-ai).

Related pages: AI Agent Harness Benchmark, November 2026, agent frameworks, harness comparison, and directory stats.