Comparison
Selvedge vs x402 Cloud Simulation API
A factual side by side of two tools in Auth & Payments. Figures come from each product’s own site.
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...
x402 Cloud Simulation API
ListedHow we built native x402 payable API support so AI agents can run simulations and pay per request, no human-in-the-loop billing setup required.
| Selvedge | x402 Cloud Simulation API | |
|---|---|---|
| Category | Auth & Payments | Auth & Payments |
| Pricing model | Open Source | Not disclosed |
| Starting price | Not disclosed | Not disclosed |
| Free tier | No | No |
| Platforms | Not disclosed | Not disclosed |
| Techavy score | Not rated yet | Not rated yet |
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.
About x402 Cloud Simulation API
How we built native x402 payable API support so AI agents can run simulations and pay per request, no human-in-the-loop billing setup required. AI agents can now use the simulation API without human-in-the-loop billing setup, pay in USDC over Base. x402 is an HTTP payment protocol: a server returns 402 Payment Required with a payment challenge, the agent pays on-chain, then re-submits the request with proof. Simulation steps, RL episodes, chaos jobs, multi-cloud analysis, and AI explanations are all payable.
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