A
licenseA
qualityB
maintenanceSpending limits and human approval for AI agents that make mobile money payments. The agent can ask to pay a saved recipient; the owner's limits and approvals decide, and Spend Guard never holds funds.
3
MIT
Saifuban
Server Details
Spending guard for AI agents: auto-approve small payments, phone approval for the rest, budgets.
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- Status
- Healthy
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-11-25
- URL
- Repository
- ut181749ut/saifuban
- GitHub Stars
- 0
- ChatGPT
- –
- Claude
- –
TDQS
Score is being calculated.
Available Tools
3 toolscheck_payment_statusRead-onlyInspect
以前の申請(request_id)が承認されたかを確認する。approved になってから支払うこと。 / Check whether an earlier request was approved. Pay only after it is approved.
| Name | Required | Description | Default |
|---|---|---|---|
| request_id | Yes | ||
| wait_seconds | No |
get_budgetRead-onlyInspect
このAIが今日あといくら使えるか、1回の上限、自動承認ライン、使ってよい支払先を確認する。 / Check today's remaining budget, per-payment limit, auto-approve amount and allowed merchants.
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
request_paymentInspect
お金を使う前に必ず呼ぶツール。支払先・金額・理由を財布番に申請し、許可が出たかを返す。status が approved のときだけ支払ってよい。pending_approval は持ち主の承認待ちで、まだ支払ってはいけない(持ち主のスマホに通知が届く)。denied や expired のときは支払わず、reason をユーザーに伝える。 / Call this BEFORE spending any money. Pay only when status is approved. pending_approval means the owner must approve on their phone — do not pay yet. When approved, the result includes payment_token: a single-use token that payment tools can verify, so payments made without approval can be refused.
| Name | Required | Description | Default |
|---|---|---|---|
| amount | Yes | 支払う金額(税込) / amount to pay, tax included | |
| reason | Yes | なぜこの支払いが必要か。持ち主が承認するときに読む / why this payment is needed (the owner reads this) | |
| currency | No | amount の通貨。省略すると持ち主の通貨 / currency of amount; defaults to the owner's currency | |
| merchant | Yes | 支払先のサービス名や店名 / merchant or service name (e.g. OpenAI API, AWS) | |
| wait_for_approval_seconds | No | 承認待ちのとき待つ秒数(最大45秒) / seconds to wait for approval |
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
3 tool updates
- First observed
check_payment_status - First observed
get_budget - First observed
request_payment
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Related MCP Servers
- AlicenseNot gradedqualityDmaintenanceAgentPay is the authorization layer between an AI agent and real spending. You define the rules — spending caps, allowed merchants, time windows — and every purchase attempt the agent makes is checked against them in real time. Approved transactions go through. Anything outside the mandate is blocked and logged. No more babysitting every agent action. No more runaway charges.MIT
- AlicenseAqualityCmaintenanceSpending limits for AI agents. Create budgets, enforce limits, track spend across x402, cards, MPP, or any payment rail.78 npmApache 2.0
- AlicenseNot gradedqualityBmaintenanceProvides AI agents with a prepaid, capped payment method so they can request charges without accessing real accounts. Enforces spending limits, requires human approval for larger transactions, and supports out-of-band approvals via CLI, dashboard, or Telegram.MIT
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