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Compare open-source libraries before you pick one

Downloads, releases, open issues, license and size of each library, with a recommendation.

  • You start it: When you start it
Use in CuiarRun from your AI agent

What it does

The task

Compare these libraries for need: libraries. For each one, read its GitHub page and its npm or PyPI page. Collect the weekly downloads, the date of the last release, the number of releases in 12 months, the open issues, the active maintainers, the license and the install size. Read the 5 newest issues for signs of abandoned work or serious bugs. Write a table and a recommendation of at most 5 lines, with the reasons and links.

  • It works in GitHub, npm and PyPI, in the workspace you pick, and signs in with passwords from your Cuiar vault.
  • It runs once, when you start it.

What you give it

BlankWhat to giveExample
needWhat you need the library forDate handling in a React app
librariesThe libraries to compare, separated by commasdate-fns, dayjs, luxon

What you get back

An example run with the example values above. Your run uses your own data.

Date handling in a React app: 3 libraries

LibraryWeekly downloadsLast releaseReleases, 12 monthsOpen issuesLicense
date-fns24.1 M3 Oct 20266312MIT
dayjs21.5 M18 Aug 20264640MIT
luxon8.3 M9 Jun 20262180MIT

Install size: date-fns 22 MB (you import only what you use), dayjs 670 kB, luxon 4.5 MB

Recommendation: dayjs for the smallest bundle and a simple API.

Use date-fns when you need many time zone functions. Luxon has the fewest releases.

Sources: github.com, npmjs.com

Run it in Cuiar

  1. 01

    Open it

    Click Use in Cuiar on this page. The side panel opens with the task in the composer.

  2. 02

    Fill in 2 blanks

    Type need and libraries. Tab moves to the next blank.

  3. 03

    Run it

    Run sends it to the agent. Follow each step in the panel, and stop it at any time.

From the terminal

cuiar exec "Compare these libraries for Date handling in a React app: date-fns, dayjs, luxon. For each one, read its GitHub page and its npm or PyPI page. Collect the weekly downloads, the date of the last release, the number of releases in 12 months, the open issues, the active maintainers, the license and the install size. Read the 5 newest issues for signs of abandoned work or serious bugs. Write a table and a recommendation of at most 5 lines, with the reasons and links."

Run it from your AI agent

Claude Code, Codex, Cursor and other MCP clients reach Cuiar at https://mcp.cuiar.com/mcp. Add the server one time, then ask for the task in plain words, or call run_task yourself.

1. Add Cuiar to Claude Code

claude mcp add --transport http cuiar https://mcp.cuiar.com/mcp

2. Ask your agent

Use the Cuiar tool run_task to run my "Compare open-source libraries before you pick one" template with need = Date handling in a React app; libraries = date-fns, dayjs, luxon.

Setup for other agents: AI agents.

The tool call

{
  "name": "run_task",
  "arguments": {
    "task": "Compare these libraries for Date handling in a React app: date-fns, dayjs, luxon. For each one, read its GitHub page and its npm or PyPI page. Collect the weekly downloads, the date of the last release, the number of releases in 12 months, the open issues, the active maintainers, the license and the install size. Read the 5 newest issues for signs of abandoned work or serious bugs. Write a table and a recommendation of at most 5 lines, with the reasons and links."
  }
}

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