Comparison
Captchainbox vs Selvedge
A factual side by side of two tools in Auth & Payments. Figures come from each product’s own site.
Captchainbox
ListedSet a price for unknown senders to reach your Gmail inbox. Trusted contacts get through normally, and you choose where 90% of the post-Stripe amount goes.
Selvedge
ListedA local MCP server that AI coding agents (Claude Code, Cursor, Copilot) call as they work, logging the why behind every change into a SQLite file under .selvedge/ next to...
| Captchainbox | Selvedge | |
|---|---|---|
| Category | Auth & Payments | Auth & Payments |
| Pricing model | Paid | Open Source |
| Starting price | Not disclosed | Not disclosed |
| Free tier | No | No |
| Platforms | Not disclosed | Not disclosed |
| Techavy score | Not rated yet | Not rated yet |
About Captchainbox
Set a price for unknown senders to reach your Gmail inbox. Trusted contacts get through normally, and you choose where 90% of the post-Stripe amount goes. Captchainbox - Make unknown senders pay to reach you . We build a trusted contacts and accounts list for you. Unknown senders are held safely and receive a pay to deliver link. The sender pays the price you set and their message is delivered. Connect Stripe to pay yourself, or direct future proceeds to the Internet Archive or the Electronic Frontier Foundation.
About Selvedge
A local MCP server that AI coding agents (Claude Code, Cursor, Copilot) call as they work, logging the why behind every change into a SQLite file under .selvedge/ next to your code. Selvedge is a git blame for the why, a local MCP server your agent (Claude Code, Cursor, Copilot) calls as it works, recording the intent behind each change in the moment it makes it, not reconstructing it from the diff afterward.
Neither placement on this page is paid. Outbound links are nofollow. How we rate tools