Open-source SEO tools that finish the job
Most open-source SEO software is a crawler or a dashboard, and the work is still yours. Tin's SEO tools are workflows your coding agent runs end to end, with your review before anything ships. Apache 2.0, self-hostable.
codex mcp add tin --url https://app.tin.computer/mcpAudit
Technical SEO and AI visibility, with evidence for every finding.
Research and plan
Buyer searches, competitor keywords and live results, turned into an editable roadmap.
Write
Drafts in your voice, answer pages for AI visibility gaps, and articles from your project's own evidence.
Fix and deliver
Everything that touches your site arrives as an unmerged pull request.
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 →Questions
What license is Tin under?
Apache 2.0. The source is at github.com/tin-computer/tin.
Can I self-host it?
Yes. The same workflows run on your own machine or a small VM. The repository's docs cover configuration and operations.
Is the keyword data free?
The software is free. Keyword and search result data comes from paid providers, bounded by a cost ceiling you set per 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.