Used in agent projects
164
1.3% of 12,697 public repos built with AI coding agents
Rank in utilities
#8 of 109
by use in those projects
Downloads
179M
npm, last 7 days, yaml
GitHub stars
1,693
last push Sep 23, 2026
How yaml is used
yaml is a dependency in 164 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (1.3%), #8 of 109 in utilities. The most used alternative there is clsx. Projects that use it most often also use Vitest (54.9%), tsx (41.5%), TypeScript (90.2%). It is more common in projects set up for Cline (9.7%) than for Cursor (2.1%).
Often used with yaml
| Vitest | 54.9% of yaml projects · 4.5× more than average |
|---|---|
| tsx | 41.5% of yaml projects · 4.2× more than average |
| TypeScript | 90.2% of yaml projects · 1.6× more than average |
| Zod | 45.7% of yaml projects · 2.7× more than average |
| Playwright (JavaScript) | 32.3% of yaml projects · 3.7× more than average |
| Prettier | 43.3% of yaml projects · 2.5× more than average |
| Model Context Protocol SDK (JavaScript) | 26.8% of yaml projects · 5.6× more than average |
| ESLint | 57.3% of yaml projects · 1.5× more than average |
By coding agent
| Claude Code | 3.2% of projects set up for it |
|---|---|
| GitHub Copilot | 2.3% of projects set up for it |
| Cursor | 2.1% of projects set up for it |
| OpenAI Codex | 6.9% of projects set up for it |
| Gemini CLI | 4.3% of projects set up for it |
| OpenCode | 3.8% of projects set up for it |
| Devin Desktop | 3.3% of projects set up for it |
| Cline | 9.7% of projects set up for it |
Share of public repos configured for each agent that list yaml as a dependency.
Install
| Package | npm install yaml |
|---|---|
| Main stacks | TypeScript / JavaScript (129), Next.js (17), Python (9), Rust (4) |
| Example projects | getsentry/MobileBuildMCP, Maintainerr/Maintainerr, miantiao-me/bm.md, Cap-go/capgo.app, Gerstep/HumanCompiler |
Alternatives to yaml
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| clsx npm Tiny utility for conditionally constructing className strings. |
2,251 (17.7%) | 126M | 9,847 | MIT |
| date-fns npm Modern JavaScript date utility library with comprehensive formatting functions. |
1,079 (8.5%) | 97.6M | 36.6K | MIT |
| uuid npm Generate RFC9562 compliant UUIDs for unique identifiers in applications. |
454 (3.6%) | 296M | 15.3K | MIT |
| PyYAML pypi YAML parser and emitter for reading and writing YAML configuration files. |
385 (3.0%) | 239M | 2,954 | MIT |
| Lodash npm Modular utility library with methods for common programming tasks and data manipulation. |
269 (2.1%) | 162M | 61.4K | MIT |
| bn.js npm Big number library for handling arbitrary-precision integers in JavaScript. |
217 (1.7%) | 62.1M | 1,230 | MIT |
| python-dateutil pypi Extensions to Python's datetime module for advanced date and time manipulation. |
165 (1.3%) | 233M | 2,638 | Dual License |
| Nanoid npm Tiny, secure, URL-friendly unique string ID generator for JavaScript. |
161 (1.3%) | 269M | 27.1K | MIT |