Anthropic
Portfolio concentration
81%
Top three share
Shows whether the organization is driven by one breakout repo or several visible projects.
Breadth
29 repos
Visible snapshot
21 repositories updated in the last 90 days.
Leading language
Unknown
Portfolio mix
Unknown (9), Python (7), Rust (5)
Average size
2.2K
Stars per repository
Useful for distinguishing one flagship-heavy publisher from a repeatable portfolio.
81%
of the visible star count comes from this organization's top three repositories.
2.2K
stars per repository in this same snapshot.
Unknown
is the most common language here, with 21 repositories updated in the last 90 days.
Why this rank
This organization stands out because its public portfolio is relatively balanced across 29 repositories.
Organization pages work best when you separate portfolio breadth from flagship concentration. In Anthropic's case, the visible top three repositories account for about 81% of total stars in this snapshot, which helps explain whether the organization is known for one breakout project or for a broader repeatable portfolio.
The dominant language mix here is Unknown (9), Python (7), Rust (5). That makes this page useful not just for popularity checks, but also for seeing what technical shape an organization's public ecosystem actually has.
Top Repositories
| # | Repository | Language | ⭐ Stars | 🍴 Forks | Updated |
|---|---|---|---|---|---|
| 1 | anthropics/financial-services | Python | 28K | 3.9K | Today |
| 2 | anthropics/knowledge-work-plugins Open source repository of plugins primarily intended for knowledge workers to use in Claude Cowork | Python | 17K | 2K | Today |
| 3 | anthropics/claude-for-legal A suite of plugins for legal workflows | Python | 7.7K | 1.3K | 3 days ago |
| 4 | anthropics/original_performance_takehome Anthropic's original performance take-home, now open for you to try! | Python | 3.9K | 883 | 4 months ago |
| 5 | anthropics/claudes-c-compiler Claude Opus 4.6 wrote a dependency-free C compiler in Rust, with backends targeting x86 (64- and 32-bit), ARM, and RISC-V, capable of compiling a booting Linux kernel. | Rust | 2.7K | 226 | 3 months ago |
| 6 | anthropics/claude-desktop-buddy Reference and an example for the Bluetooth API for makers in Claude Cowork & Claude Code Desktop | C++ | 2K | 320 | 1 months ago |
| 7 | anthropics/buffa Rust implementation of protobuf with editions support, JSON serialization, and zero-copy views | Rust | 743 | 51 | Today |
| 8 | anthropics/cwc-workshops | TypeScript | 568 | 144 | 1 weeks ago |
| 9 | anthropics/anthropic-cli The CLI for the Claude API | Go | 407 | 53 | Today |
| 10 | anthropics/connect-rust An implementation of the ConnectRPC protocol for Rust | Rust | 396 | 36 | Today |
| 11 | anthropics/cwc-long-running-agents | Shell | 376 | 39 | 2 weeks ago |
| 12 | anthropics/claude-ai-mcp Report issues related to MCP integration with Claude here. | 298 | 37 | 3 months ago | |
| 13 | anthropics/healthcare | Python | 275 | 59 | 2 months ago |
| 14 | anthropics/claude-plugins-community Community plugin marketplace for Claude Cowork and Claude Code. Read-only mirror — submit plugins at clau.de/plugin-directory-submission. | 131 | 29 | Today | |
| 15 | anthropics/html-effectiveness HTML effectiveness examples | HTML | 118 | 6 | 1 weeks ago |
| 16 | anthropics/claude-constitution The foundational document describing Claude's values and behavior | 91 | 20 | 3 months ago | |
| 17 | anthropics/agent-sdk-workshop | Python | 35 | 11 | 2 months ago |
| 18 | anthropics/headvis Head Vis Public Release | Svelte | 32 | 3 | 3 weeks ago |
| 19 | anthropics/maestro Maestro: Netflix’s Workflow Orchestrator | 19 | 14 | 4 months ago | |
| 20 | anthropics/tokio A runtime for writing reliable asynchronous applications with Rust. Provides I/O, networking, scheduling, timers, ... | Rust | 17 | 6 | 2 weeks ago |
| 21 | anthropics/tailscale-hint-extension Chrome extension showing helpful troubleshooting when Tailscale .local domains fail to resolve | HTML | 17 | 7 | 4 months ago |
| 22 | anthropics/homebrew-tap Homebrew formulae for Anthropic tools. | Ruby | 16 | 3 | Today |
| 23 | anthropics/defending-code-reference-harness A reference implementation for autonomous vulnerability discovery and human-reviewed remediation with Claude | Python | 14 | 1 | 4 days ago |
| 24 | anthropics/httpcore A minimal HTTP client. ⚙️ | 14 | 9 | 5 months ago | |
| 25 | anthropics/cargo-nix-plugin A Nix plugin that resolves Cargo workspaces natively and allows for crate level builds | Rust | 13 | 4 | 1 weeks ago |
| 26 | anthropics/terragrunt Terragrunt is a flexible orchestration tool that allows Infrastructure as Code written in OpenTofu/Terraform to scale. | 12 | 4 | 2 months ago | |
| 27 | anthropics/argo-cd Declarative Continuous Deployment for Kubernetes | 11 | 7 | 1 months ago | |
| 28 | anthropics/nix-eval-jobs Parallel nix evaluator with a streamable json output [maintainers @Mic92, @adisbladis] | 7 | 3 | 4 months ago | |
| 29 | anthropics/swift-markdown A Swift package for parsing, building, editing, and analyzing Markdown documents. | 4 | 1 | 2 weeks ago |
Next step after the organization read
Learn and methodology
How to read this organization snapshot
Total stars are useful as a discovery signal, but they do not tell you whether a team maintains every repository equally. Pair this page with release cadence, maintainer activity, and the flagship concentration shown above before making adoption decisions.
For broader background on GitStar's ranking logic and editorial guidance, see Methodology & Editorial Standards.