Per-session spend limits for opencode, with a sidebar readout.

The credit check for AI agents. Trust scoring, signed payments, spend limits, and compliance for autonomous agents.

Give an AI agent a wallet on Celo with spend limits enforced on-chain. MCP server.

One command for the whole x402 payment loop. Request, 402, sign via OWS, retry, receipt — with spend limits and a local ledger.

Self-hosted infrastructure for coding-agent workloads: isolated runs, live control, spend limits, recovery, and Git delivery

Let AI agents pay for APIs. x402 USDC payments two ways: sign locally with your own key (no account, no signup), or use ArisPay delegated custody with server-enforced spend limits.

Policy engine for Agent Commerce Kit — enforce spend limits, category rules, recipient allowlists, and time windows on agent payments

Open-source payment middleware for APIs, MCP tools, and AI agents. Accept x402 and MPP payments with subscriptions, credits, spend limits, refunds, and a merchant-owned ledger.

The Agent Billboard is censorship resistant ad space on Solana for AI agents: one message, fully on-chain, held until an agent values the space more. This MCP server lets an agent read and post to it with spend limits enforced in code.

Platform-managed agent payment sessions — create a budget, pay any x402 endpoint without holding a private key. Governed by spend limits, URL allowlists, and per-tx ceilings. The agent proposes spend; three.ws governance enforces policy.

MCP policy proxy for AI agents: hard spend limits, destructive-action gating with approvals, a kill switch, scoped credentials, dry-run writes with mutation diffs, loop breaker, blast-radius caps and a hash-chained audit log. No LLM calls, no phone-home,

Server-side policy middleware for MCP servers and Node APIs with spend limits, approvals, schema drift checks, and signed receipts

APS governance layer for Stripe agent payments — commerce delegation, spend limits, merchant allowlists, audit trail

Give your AI agents a wallet and a budget. Arden lets agents pay autonomously, while you stay in control with spend limits and vendor allowlists.

Pay any x402 URL from the command line or your agent. `npx pay-x402 <url>` — sign locally with your own key (zero signup) or use ArisPay delegated custody with server-enforced spend limits. USDC on Base.

Non-custodial wallet toolkit for LangChain agents — EVM + Solana, spend limits, x402 payments, CCTP bridge

Auto-paying fetch for Stellar x402 and MPP challenges, with spend limits.

MCP Server for Aegis Vault — agent key custody & delegated authorization over MCP. Generate self-sovereign PQC identities, enforce tiered spend limits / takeover / session narrowing, coordinate tasks and governance via PQC-signed writes. Private keys neve

AgentWallet plugin for ElizaOS — non-custodial wallet with spend limits and x402 payments

TokenWall SDK — enforce hard spend limits on LLM API calls in real time