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Agnij Dutta
founderSoftware engineer in Bengaluru building payment infrastructure, smart contracts and ZK. Co-founder, Rump Labs. Founder, The North Yard.
Public projects
capline
On-chain spend authority for AI agents: a signed mandate (per-tx cap, total cap, expiry, payee allowlist) enforced by a Solana program, plus Stellar and EVM support, an SDK and an MCP server.
Solidity
the-leash
A public AI agent built to be jailbroken. Its payments are enforced on-chain by Capline on Solana devnet, so the jailbreak works and the theft does not.
TypeScript
paydecode
jwt.io for agent payments. Library, CLI and web app.
TypeScript
pr-receipts
Per-PR cost receipts for agent-written code: tokens, list-price dollars and agent time from local Claude Code transcripts, stored in git notes and posted as a sticky PR comment.
TypeScript
humanbehind
Proof of Human Behind the Agent: a unique, adult Indian resident proves with anon-aadhaar that they own an ERC-8004 AI agent, revealing zero personal data.
Solidity
cc-leash
Spending limits for Claude Code: a plugin that enforces per-call, per-session and daily caps on MCP tool calls that move money.
JavaScript
Likely stack
ClaudeMCP
