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Shotoku

Spending limits, human approvals and an audit trail for AI agents, checked on your machine before a payment or paid API call goes through.

  • AI tool
  • Freemium

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Pricing

Core is free and open source (MIT) and runs on your machine; Team and Enterprise plans for shared control are announced.

Overview

Shotoku gives AI agents a budget instead of your card. You write rules in one YAML file, such as a per-purchase and daily limit for each vendor, and the agent calls Shotoku before it spends money, calls a paid API, uses an MCP tool or runs a script. Each request is approved, denied, or held until a person approves it, and every decision goes into a tamper-evident log on your machine. It ships as a CLI, a TypeScript library and an MCP server for Claude, Cursor and other agents, and it never holds your funds. You get an allow, deny or wait-for-approval decision on every agent spend, with a record of each one.

Key features

  • Per-vendor and daily spending limits
  • Human approval for large spends
  • Checks payments, paid API calls, MCP tools and scripts
  • Tamper-evident decision log on your machine
  • Policies in one YAML file
  • CLI, TypeScript library and MCP server
  • Open source under MIT

Use cases

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Last updated 2026-11-15

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