A Screaming Frog alternative that opens the pull request
Screaming Frog crawls a site and gives you a spreadsheet of issues. Tin audits the site, then rechecks a finding against your repository and proposes the fix as a pull request.
codex mcp add tin --url https://app.tin.computer/mcpWhat Tin does in place of Screaming Frog
Screaming Frog SEO Spider is a desktop crawler that technical SEOs rely on for deep, configurable crawls of large sites.
| the job | how Tin does it | workflow |
|---|---|---|
| Technical crawl of a product site | Audits up to 100 public pages with findings and evidence. | organic.audit → |
| Fixing missing titles and descriptions | Rechecks the finding and proposes a verified PR. | organic.technical_fix → |
| Small mechanical site fixes | One bounded improvement per run, as a PR. | site.health_improve → |
What Tin does not replace
Tin is not a clone. Here is where each one fits.
Screaming Frog still does this better
- Crawling very large sites. Tin audits up to 100 pages per run.
- Custom extraction, crawl configuration and log file analysis.
Choose Tin when
Your site is a product or marketing site in a repository and you want issues fixed, not exported.
Stay with Screaming Frog when
You audit large or complex sites and need full control of the crawl.
What every workflow here comes with
Battle tested on real products
These are the workflows we run for real companies. Claw Messenger went from about $45 to $2,105 in monthly revenue in 124 days on them. Each one has declared inputs, bounded execution and tests, and anything public waits for your review.
See the case study →Open source: read it, fork it, self-host it
Apache 2.0. Every workflow is a folder in the repository: the steps it runs, the data it reads and what it is allowed to do. Change it, or run the whole system on your own machine.
Open the repo →Runs on the agent that already knows your product
Tin connects to Claude Code, Codex or Cursor over MCP. That agent has your repository open and knows your product, customers and voice, so it fills the inputs and reviews the output. You never brief a new tool from zero.
All workflows →The workflows behind this page
Each one is a folder in the repo. Open a page for its steps, inputs and output.
Questions
How many URLs can Tin crawl?
Up to 100 public pages per audit run.
Is Tin really open source?
Yes. Tin is licensed under Apache 2.0 and the source is at github.com/tin-computer/tin. You can read every workflow, change it, and self-host the whole system.
Which coding agents can run Tin workflows?
Any agent that speaks MCP, including Claude Code, Codex and Cursor. There is also an API, and the same projects run in the browser at app.tin.computer.
Why run marketing from a coding agent?
Because it already knows your product. It has the repository open, so it fills workflow inputs accurately, reviews output against what the product really does, and can act on the results in the same session.