Introducing: ✨ Agent Experience (AX) Tier List ✨ One question prompted this: Can an agent sign up for a service on its own? We scanned dozens of providers to see where they stand in terms of login flow, bot protection, paywall and sign-up Here's what agents can actually sign up for, fully autonomously as of Sep 17, 2026: @mastra, @clerk, @WorkOS, @IntrospectionAI, @Netlify, @AnchorBrowser, @ElectricSQL, @sanity_io, @vercel, @neondatabase, @upstash Others like @modal, @supabase, @daytonaio, @resend, @mintlify, @agentmail, @ExaAILabs, @langfuse require at least one step that involves a human in the loop Full list is on All signup flows are shown in their respective tiers: S (fully hands off), A (just confirm), B (copy a key), C (figure it out) and D (blocked) DM me for your full report 👋 And if you want to be added here, send a tool request :) cc @calcsam @abhiaiyer, @tweetsbycolin, @_Dapp, @biilmann, @JavaSquip, @nicknisi, @grinich, @MelkeyDev, @andrewqu, @andrelandgraf, @andyhattemer, @kmelve, @enesakar, @cahidarda, @cpenned, @zenorocha + more builders