Spending policy for AI agents, evaluated before anything is signed.

Give your AI agent a spending policy it cannot break.

Stellar CLI plugin that lets AI agents unlock x402 paid HTTP resources with USDC under an auditable spending policy

x402 payments for React Native AI agents: on-device custody, spending policy, and biometric human-in-the-loop. Batteries included.

Buy-side x402/HTTP-402 paying-fetch client for AI agents, under operator-owned spending policy (caps, allow/deny, human approval, trust checks, local receipts). Non-custodial.

MCP tools for x402 payment safety — vet the counterparty (risk score, allow/review/block, spending policy) AND vet the payment itself (buyer-side firewall: routing/drain/injection). Thin client for 402sentinel.com.

MCP server for LetAgentPay — AI agent spending policy middleware for fiat and x402 crypto-micropayments

The missing @x402/policy: a persistent spending-policy layer for x402 AI agents. Wires a budget/allowlist/quote-sanity engine into x402's own registerPolicy() + onBeforePaymentCreation() sockets, settling on Hedera. One line: createGuardedFetch(config, le

Give an agent a budget it cannot exceed: a spending policy anchored on chain, a durable ledger, and a decision that returns proposed effects rather than applying them.

Pure spending-policy engine for x402 AI agents: persistent SQLite ledger, rolling-window budgets (global/origin/recipient), allowlists, quote-sanity, loop detection, rate limits. No network, no chain.

Celo-first agent payment SDK: x402 + MPP settlement, ERC-8004 identity, and on-chain spending policy via the EnvoyFacilitator. Optional Solana, Stellar, Stripe, DEX/bridge, and unified-wallet modules via subpath imports.

On-chain spending policy SDK for AI agents on Algorand x402

Bitcoin Miniscript, a high-level language for describing Bitcoin spending conditions. It includes a compiler/analyzer with a signer‑agnostic satisfier that derives symbolic witnesses (e.g., <sig(key)>).

Spending policy for autonomous agents: per-call caps, rolling budgets, allowlists, and human-approval escalation. The single choke point in front of every signer.

TypeScript SDK for LetAgentPay — AI agent spending policy middleware for fiat and x402 crypto-micropayments

Parses Cache-Control and other headers. Helps building correct HTTP caches and proxies

help secure Express/Connect apps with various HTTP headers

An AST-based pattern checker for JavaScript.

Official ESLint plugin for Vue.js

zkML spending policy proofs for Arc chain - generate and verify SNARK proofs for autonomous agent spending decisions