Trust layer for x402 agent payments. Score wallets across 5 dimensions, get an Ed25519-signed receipt verifiable forever. larkin.sh
Joined April 2026
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Larkin retweeted
May 1
Multi-agent systems fail at coordination, not cognition. Each agent is smart enough. The hard part is making them work together without destroying value.
#AgentEconomy #BuildInPublic
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Apr 30
Just posted Show HN if you're in the dev tool crowd:
news.ycombinator.com/item?id…
Genuinely curious what you'd want from agent authorization that I haven't built.
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Apr 30
x402 lets agents pay your API.
You have no idea who's paying.
Larkin is authorization middleware for x402.
Score every wallet. Sign every receipt. Verify forever.
Live today.
larkin.sh
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Apr 30
Free: 10K checks/month
Pro: $29 for 500K
Scale: $199 for 5M
The SDK, verifier, and MCP server are MIT-licensed. Install, read every line, fork if we disappoint you. The scoring service is ours. The code in your server is yours.
larkin.sh
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Apr 30
Built in 7 days with Claude Code.
If you're building on x402, I'd love your feedback.
Repo: github.com/larkin-dev/larkin
Docs: larkin.sh/docs
Email: hello@larkin.sh
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