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portless

Open source alternatives to portless

24 open source AI Skills apps to use instead, best rated first.

Top picks

  1. G

    github-ops

    Get

    github-ops is an agent skill from the ECC collection by affaan-m, listed on skills.sh. It manages a GitHub repository with a focus on community health, CI reliability and the experience of contributors. It covers triaging issues by classify

    Open source

  2. O

    opensource-pipeline

    Get

    opensource-pipeline is an agent skill from the ECC collection by affaan-m, listed on skills.sh. It prepares a private project for safe public release through a three-stage pipeline. The fork stage strips secrets from a copy. The sanitise st

    Open source

  3. A

    andrej-karpathy-skills

    Get

    andrej-karpathy-skills is a single CLAUDE.md file from the multica-ai project that is meant to improve how Claude Code behaves on coding tasks. It is derived from Andrej Karpathy's public observations about LLM coding pitfalls. The file dis

    Open source

  4. M

    microsoft/markitdown

    Get

    markitdown-mcp is the MCP server package for MarkItDown, Microsoft's tool for converting many file formats to Markdown for language models. It is a lightweight server that runs over stdio, Streamable HTTP or SSE, and exposes one tool, conve

    Open source

  5. O

    od-contribute

    Get

    od-contribute is an agent skill in the OpenDesign project that provides a guided, one-click contribution flow to the OpenDesign repository, written so that people without a coding background can send a real pull request. It is locked to the

    Open source

  6. G

    github-deep-research

    Get

    github-deep-research is an agent skill from the DeerFlow project that researches a single GitHub repository in several rounds and writes a report in Markdown. It is for requests that need more than a README summary, such as a comprehensive

    Open source

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About portless

P

portless

Set up and use portless for named local dev server URLs (e.g

portless is an agent skill from the vercel-labs portless project for setting up named local development URLs. Instead of addresses like localhost:3000, your app gets a stable name such as https://myapp.localhost, which removes many common problems. The skill lists the problems portless addresses: port conflicts when two projects default to the same port, the difficulty of remembering which app runs on which port, stale tabs that show the wrong app after a server restarts on the same port, and monorepos where every issue scales with each service. It also covers AI agents testing the wrong port, cookies and localStorage clashing between apps on localhost, and hardcoded ports in CORS allowlists, OAuth redirects and .env files that break when ports change. Sharing a stable URL with teammates is easier than explaining a port number. The skill's installation guidance recommends installing portless globally, and it advises against npx or pnpm dlx for one-off runs. It is listed on skills.sh, where the page shows install counts, GitHub stars and security audit results. Install it with npx skills add https://github.com/vercel-labs/portless --skill portless.

View portlessAll AI Skills apps
Price
Free
Made by
vercel-labs
Category
AI Skills
Website
github.com/vercel-labs/portless/portless