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๐Ÿ‹ LemonCake โ€” Billing & budgets for AI agents

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๐Ÿ‹ LemonCake โ€” AI ์—์ด์ „ํŠธ ์ง€๊ฐ‘ & USDC ํ˜ธ์ถœ๋‹น ๊ฒฐ์ œ MCP ์„œ๋ฒ„

๐ŸŽฎ ์ฆ‰์‹œ ์ฒดํ—˜ โ€” ๊ฐ€์ž… ๋ถˆํ•„์š”. ์œ„ **"Try in Browser"**๋ฅผ ํด๋ฆญ โ†’ ๋‘ ๊ฐœ์˜ ํ™˜๊ฒฝ ๋ณ€์ˆ˜ ํ•„๋“œ๋ฅผ ๋น„์›Œ๋‘๊ณ  โ†’ Start Inspector๋ฅผ ํด๋ฆญํ•˜์„ธ์š”. ๋ฐ๋ชจ ๋ชจ๋“œ๋Š” ์‹ค์ œ Wikipedia / httpbin / ๋ผ์ด๋ธŒ FX API๋ฅผ ํ˜ธ์ถœํ•ฉ๋‹ˆ๋‹ค. ๊ณ„์ •, ์นด๋“œ, API ํ‚ค๊ฐ€ ํ•„์š” ์—†์Šต๋‹ˆ๋‹ค.

npm version npm downloads MCP License: MIT Glama MCP Node.js

๐Ÿ“ฆ v0.5.0 ์ด๋ฆ„ ๋ณ€๊ฒฝ: npm ํŒจํ‚ค์ง€ ์ด๋ฆ„์ด **pay-per-call-mcp**๋กœ ๋ณ€๊ฒฝ๋˜์—ˆ์Šต๋‹ˆ๋‹ค(๊ธฐ์กด lemon-cake-mcp). ์ด์ „ ์ด๋ฆ„๋„ ์”ฌ ๋ž˜ํผ(thin wrapper)๋กœ ์ž‘๋™ํ•˜์ง€๋งŒ, ์ƒˆ๋กœ์šด ์„ค์ •์—๋Š” npx -y pay-per-call-mcp๋ฅผ ์‚ฌ์šฉํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค.

AI ์—์ด์ „ํŠธ์—๊ฒŒ ์ง€๊ฐ‘์„ ๋ถ€์—ฌํ•˜์„ธ์š”. Claude Desktop, Cursor, Cline ๋˜๋Š” ๋ชจ๋“  MCP ํด๋ผ์ด์–ธํŠธ์—์„œ ์ง์ ‘ ๋ชจ๋“  HTTP API์— ๋Œ€ํ•ด USDC๋กœ ํ˜ธ์ถœ๋‹น ๊ฒฐ์ œ๋ฅผ ์ˆ˜ํ–‰ํ•˜์„ธ์š”. ์ธ๊ฐ„์˜ ๊ฐœ์ž…์ด๋‚˜ API๋ณ„ ๊ฐ€์ž…, API ํ‚ค ๊ด€๋ฆฌ์˜ ๋ฒˆ๊ฑฐ๋กœ์›€์ด ์—†์Šต๋‹ˆ๋‹ค.

LemonCake MCP ์„œ๋ฒ„๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด Claude Desktop / Cursor / Cline ๋“ฑ MCP ํ˜ธํ™˜ ํด๋ผ์ด์–ธํŠธ์—์„œ ์ธ๊ฐ„์˜ ๊ฐœ์ž… ์—†์ด USDC๋กœ ์œ ๋ฃŒ API๋ฅผ ํ˜ธ์ถœํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

English โ†“ Quickstart ยท Tools ยท Use Cases ยท Compatibility


๐Ÿš€ 3๋ถ„์œผ๋กœ ์‹œ์ž‘ํ•˜๊ธฐ

MCP ์„œ๋ฒ„๋ฅผ ์‚ฌ์šฉํ•˜๋ ค๋ฉด LemonCake ๊ณ„์ •๊ณผ USDC ์ž”์•ก์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค.

  1. ๋ฌด๋ฃŒ ๊ณ„์ • ์ƒ์„ฑ โ€” ์ด๋ฉ”์ผ ํ•˜๋‚˜๋กœ ์™„๋ฃŒ

  2. ์ž”์•ก ์ถฉ์ „ โ€” ์ตœ์†Œ $5 USDC ๋˜๋Š” JPYC (Billing)

  3. Buyer JWT ๋ณต์‚ฌ โ€” Dashboard โ†’ API Keys์—์„œ ํ™•์ธ

  4. ์•„๋ž˜ claude_desktop_config.json์— ์„ค์ •

๐Ÿ“š ์ƒ์„ธ ์ •๋ณด: ํ€ต์Šคํƒ€ํŠธ ๋ฌธ์„œ


Related MCP server: BotWallet MCP Server

๐Ÿ“ฆ ์„ค์น˜

Claude Desktop์˜ ๊ฒฝ์šฐ

~/Library/Application Support/Claude/claude_desktop_config.json(macOS) ๋˜๋Š” %APPDATA%\Claude\claude_desktop_config.json(Windows)์— ์ถ”๊ฐ€:

{
  "mcpServers": {
    "pay-per-call": {
      "command": "npx",
      "args": ["-y", "pay-per-call-mcp"],
      "env": {
        "LEMON_CAKE_BUYER_JWT": "eyJhbGci..."
      }
    }
  }
}

Claude Desktop์„ ์žฌ์‹œ์ž‘ํ•˜๋ฉด ๐Ÿ”จ ๋„๊ตฌ ์•„์ด์ฝ˜์—์„œ LemonCake ๋„๊ตฌ๋ฅผ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

Cursor / Cline / ๊ธฐํƒ€ MCP ํด๋ผ์ด์–ธํŠธ

๋งˆ์ฐฌ๊ฐ€์ง€๋กœ ์„œ๋ฒ„ ์‹คํ–‰ ๋ช…๋ น์–ด๋ฅผ npx -y pay-per-call-mcp๋กœ ์„ค์ •ํ•˜๊ณ  ํ™˜๊ฒฝ ๋ณ€์ˆ˜์— LEMON_CAKE_BUYER_JWT๋ฅผ ์„ค์ •ํ•˜์„ธ์š”.

Node.js ์š”๊ตฌ ์‚ฌํ•ญ: v20 ์ด์ƒ


๐Ÿ› ๏ธ ์ œ๊ณต ๋„๊ตฌ

๋„๊ตฌ ์ด๋ฆ„

์šฉ๋„

์ฃผ์š” ๋งค๊ฐœ๋ณ€์ˆ˜

setup

์ดˆ๊ธฐ ์„ค์ • ๊ฐ€์ด๋“œ(๊ณ„์ • ์ƒ์„ฑ ๋ฐ ์ถฉ์ „ ๋ฐฉ๋ฒ• ๋ฐ˜ํ™˜)

โ€”

list_services

LemonCake ๋งˆ์ผ“ํ”Œ๋ ˆ์ด์Šค์—์„œ ์ด์šฉ ๊ฐ€๋Šฅํ•œ ์œ ๋ฃŒ API ๋ชฉ๋ก

limit? (1โ€“100)

call_service

Pay Token์„ ํ†ตํ•ด ๊ฒฐ์ œ๊ฐ€ ํฌํ•จ๋œ ์„œ๋น„์Šค ํ˜ธ์ถœ

serviceId, path?, method?, body?, idempotencyKey?

check_balance

ํ˜„์žฌ USDC ์ž”์•ก ๋ฐ KYA ํ•œ๋„ ํ™•์ธ

โ€”

check_tax

๊ตญ์„ธ์ฒญ API๋ฅผ ํ†ตํ•œ ์ ๊ฒฉ ์ฒญ๊ตฌ์„œ ๋ฐœํ–‰ ์‚ฌ์—…์ž ๋ฒˆํ˜ธ ๊ฒ€์ฆ

registrationNumber (T+13์ž๋ฆฌ), description?, amountJpy?

get_service_stats

์„œ๋น„์Šค๋ณ„ ์ด์šฉ ํ†ต๊ณ„ ๋ฐ ๊ฒฐ์ œ ๋‚ด์—ญ ์ง‘๊ณ„

โ€”

๋ชจ๋“  ์ธ์ˆ˜ ์Šคํ‚ค๋งˆ๋Š” MCP Inspector ๋˜๋Š” tools/list๋ฅผ ํ†ตํ•ด ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.


๐ŸŽฎ ๋ฐ๋ชจ ๋ชจ๋“œ(์ธ์ฆ ์ •๋ณด ์—†์ด ์ฒดํ—˜)

LEMON_CAKE_BUYER_JWT / LEMON_CAKE_PAY_TOKEN์„ ์„ค์ •ํ•˜์ง€ ์•Š๊ณ  ์‹คํ–‰ํ•˜๋ฉด ์ž๋™์œผ๋กœ ๋ฐ๋ชจ ๋ชจ๋“œ๊ฐ€ ๋ฉ๋‹ˆ๋‹ค. ๊ฐ€์ž… ์—†์ด ๋‹ค์Œ ๊ธฐ๋Šฅ์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค:

  • list_services โ†’ ์‹ค์ œ ๋งˆ์ผ“ + demo_search (Wikipedia) / demo_echo (httpbin) / demo_fx (open.er-api) 3๊ฐ€์ง€ ๋ฐ๋ชจ๊ฐ€ ์ƒ๋‹จ์— ํ‘œ์‹œ

  • call_service โ†’ demo_* ์„œ๋น„์Šค๋Š” ์‹ค์ œ ๋ฌด๋ฃŒ API๋ฅผ ํ˜ธ์ถœํ•˜์—ฌ ์›์‹œ ๋ฐ์ดํ„ฐ๋ฅผ ๋ฐ˜ํ™˜(๊ฒฐ์ œ ์—†์Œ, ์ธ์ฆ ์—†์Œ)

  • check_balance โ†’ $1.00์˜ ๋ชจ์˜ ์ž”์•ก ๋ฐ˜ํ™˜(mode: "demo")

  • check_tax / get_service_stats โ†’ ํ‰์†Œ์™€ ๋™์ผ(์›๋ž˜ ์ธ์ฆ ๋ถˆํ•„์š”)

โ†’ Glama Inspector๋‚˜ npm ์ฒดํ—˜ ํ™˜๊ฒฝ์—์„œ๋„ ์„ค์ •์„ ๋ณ€๊ฒฝํ•˜์ง€ ์•Š๊ณ  ๊ตฌํ˜„ ๋™์ž‘์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์‹ค์ œ ์œ ๋ฃŒ API๋ฅผ ํ˜ธ์ถœํ•˜๋ ค๋ฉด LEMON_CAKE_PAY_TOKEN์„ ์„ค์ •ํ•˜์„ธ์š”.


๐Ÿ’ก ํ”„๋กฌํ”„ํŠธ ํ™œ์šฉ (MCP ํ”„๋กฌํ”„ํŠธ)

์ด ์„œ๋ฒ„๋Š” MCP์˜ ํ”„๋กฌํ”„ํŠธ ๊ธฐ๋Šฅ์„ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค. Glama Inspector / Claude Desktop / Cursor์˜ "ํ”„๋กฌํ”„ํŠธ ์„ ํƒ๊ธฐ"์— ์•„๋ž˜ ํ”„๋ฆฌ์…‹์ด ํ‘œ์‹œ๋˜๋ฉฐ ํด๋ฆญ ํ•œ ๋ฒˆ์œผ๋กœ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค:

ํ”„๋กฌํ”„ํŠธ ์ด๋ฆ„

๋‚ด์šฉ

์ธ์ฆ

๐ŸŽฎ explore-demo

๋ฐ๋ชจ ๋ชจ๋“œ์—์„œ setup โ†’ list_services โ†’ demo_search โ†’ demo_fx ์ผ๊ด„ ์‹คํ–‰

๋ถˆํ•„์š”

๐Ÿ› discover-marketplace

์‹ค์ œ ๋งˆ์ผ“์˜ ๋ชจ๋“  ์„œ๋น„์Šค ๋ชฉ๋ก์„ ํ™•์ธํ•˜๊ณ  ์šฉ๋„๋ณ„ ์ƒ์œ„ 3๊ฐœ ์ถ”์ฒœ

๋ถˆํ•„์š”

๐Ÿ‡ฏ๐Ÿ‡ต japan-tax-check

๊ตญ์„ธ์ฒญ API๋ฅผ ํ†ตํ•œ ์ ๊ฒฉ ์ฒญ๊ตฌ์„œ ๋ฐœํ–‰ ์‚ฌ์—…์ž ๋ฒˆํ˜ธ ๊ฒ€์ฆ ๋ฐ ์›์ฒœ์ง•์ˆ˜ ํŒ์ •

๋ถˆํ•„์š”

๐Ÿ’ฐ spend-with-budget

check_balance โ†’ call_service โ†’ check_balance ํŒจํ„ด์œผ๋กœ ์˜ˆ์‚ฐ ๊ด€๋ฆฌ ์‹œ์—ฐ

demo OK / ์‹ค์ œ ์„œ๋น„์Šค๋Š” PAY_TOKEN

๐Ÿ”„ real-vs-demo

๋™์ผํ•œ ์ฟผ๋ฆฌ๋ฅผ demo_search์™€ ์‹ค์ œ Serper๋กœ ํ˜ธ์ถœํ•˜์—ฌ ๋น„๊ต

demo OK / ๋น„๊ต ์‹œ PAY_TOKEN

๐Ÿฏ japan-finance-bundle

gBizINFO + ๊ตญ์„ธ์ฒญ + e-Gov๋ฅผ ๊ฒฐํ•ฉํ•œ ์ผ๋ณธ ๊ธฐ์—… ๋ฆฌ์„œ์น˜

PAY_TOKEN (๋ฐ๋ชจ ๋ถ€๋ถ„์€ ๋ถˆํ•„์š”)

โ†’ Glama / Claude Desktop์—์„œ pay-per-call MCP(๊ตฌ lemon-cake)๋ฅผ ํ™œ์„ฑํ™”ํ•˜๋ฉด ์œ„ ํ•ญ๋ชฉ์ด ์ž๋™์œผ๋กœ ํ›„๋ณด์— ๋‚˜ํƒ€๋‚ฉ๋‹ˆ๋‹ค.


๐Ÿ’ก ์‚ฌ์šฉ ์˜ˆ์‹œ

Claude Desktop์—์„œ:

"LemonCake์œผ๋กœ demo_agent_search_api๋ฅผ 0.50 USDC๋กœ ํ˜ธ์ถœํ•ด์„œ 'AI agent payments'๋ฅผ ๊ฒ€์ƒ‰ํ•ด์ค˜"

Claude๋Š” ์ž๋™์œผ๋กœ:

  1. setup์œผ๋กœ ์„ค์ • ์ƒํƒœ ํ™•์ธ(์ตœ์ดˆ 1ํšŒ)

  2. call_service(serviceId="demo_agent_search_api", limitUsdc="0.50", body={query:"AI agent payments"}) ํ˜ธ์ถœ

  3. ๊ฒฐ๊ณผ๋ฅผ ์š”์•ฝํ•˜์—ฌ ๋‹ต๋ณ€


๐ŸŽฏ Use Cases

  • ์ž์œจ ๋ฆฌ์„œ์น˜ ์—์ด์ „ํŠธ โ€” ์‹ ์šฉ์นด๋“œ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•˜์ง€ ์•Š๊ณ ๋„ ํ”„๋ฆฌ๋ฏธ์—„ ๊ฒ€์ƒ‰, ์Šคํฌ๋ž˜ํ•‘ ๋˜๋Š” ๋ฐ์ดํ„ฐ API๋ฅผ ํ˜ธ์ถœ๋‹น ๊ฒฐ์ œ ๋ฐฉ์‹์œผ๋กœ ์ด์šฉํ•˜๊ฒŒ ํ•˜์„ธ์š”.

  • ๋ฉ€ํ‹ฐ API ์›Œํฌํ”Œ๋กœ์šฐ โ€” ํ•˜๋‚˜์˜ JWT, ํ•˜๋‚˜์˜ ์ž”์•ก์œผ๋กœ ์ˆ˜์‹ญ ๊ฐœ์˜ ์—…์ŠคํŠธ๋ฆผ API๋ฅผ ์ด์šฉํ•˜์„ธ์š”. ๊ณต๊ธ‰์—…์ฒด๋ณ„ ๊ฐ€์ž…์ด๋‚˜ ํ‚ค ๊ต์ฒด๊ฐ€ ํ•„์š” ์—†์Šต๋‹ˆ๋‹ค.

  • ๊ทœ์ • ์ค€์ˆ˜ ์ง€์ถœ โ€” KYA(Know-Your-Agent) ํ•œ๋„๋ฅผ ํ†ตํ•ด ์—์ด์ „ํŠธ๊ฐ€ ์„ธ์…˜/์ผ๋ณ„๋กœ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋Š” ๊ธˆ์•ก์„ ์ œํ•œํ•ฉ๋‹ˆ๋‹ค.

  • ์ผ๋ณธ ์„ธ๊ธˆ ์ž๋™ํ™” โ€” check_tax๋Š” ์ธ๋ณด์ด์Šค ๊ทœ์ • ์ค€์ˆ˜๋ฅผ ์œ„ํ•ด ๊ตญ์„ธ์ฒญ API๋ฅผ ํ†ตํ•ด ์ ๊ฒฉ ์ฒญ๊ตฌ์„œ ๋ฒˆํ˜ธ๋ฅผ ๊ฒ€์ฆํ•ฉ๋‹ˆ๋‹ค.

  • ๋ฉฑ๋“ฑ์„ฑ ์žฌ์‹œ๋„ โ€” idempotencyKey๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ค‘๋ณต ๊ฒฐ์ œ ์—†์ด ์•ˆ์ „ํ•˜๊ฒŒ call_service๋ฅผ ์žฌ์‹œ๋„ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.


โœ… ํ…Œ์ŠคํŠธ๋œ ํด๋ผ์ด์–ธํŠธ

ํด๋ผ์ด์–ธํŠธ

์ƒํƒœ

๋น„๊ณ 

Claude Desktop (macOS / Windows)

โœ…

์ฃผ์š” ํƒ€๊ฒŸ

Cursor

โœ…

stdio ์ „์†ก

Cline (VS Code)

โœ…

stdio ์ „์†ก

Claude Code CLI

โœ…

stdio ์ „์†ก

Continue.dev

โœ…

v0.9๋ถ€ํ„ฐ MCP ์ง€์›

์ปค์Šคํ…€ MCP ํด๋ผ์ด์–ธํŠธ

โœ…

stdio๋ฅผ ํ†ตํ•ด MCP 1.10+๋ฅผ ์ง€์›ํ•˜๋Š” ๋ชจ๋“  ํด๋ผ์ด์–ธํŠธ


๐Ÿ” ํ™˜๊ฒฝ ๋ณ€์ˆ˜

๋ณ€์ˆ˜๋ช…

ํ•„์ˆ˜

์„ค๋ช…

LEMON_CAKE_BUYER_JWT

โœ…

Buyer JWT (๋Œ€์‹œ๋ณด๋“œ Settings โ†’ API Keys์—์„œ ํ™•์ธ)

LEMON_CAKE_PAY_TOKEN

โ€”

Pay Token JWT (call_service ์‹œ ํ•„์š”, ๋ฏธ์„ค์ • ์‹œ demo_* ์„œ๋น„์Šค๋งŒ ํ˜ธ์ถœ ๊ฐ€๋Šฅ)

LEMON_CAKE_API_URL

โ€”

API ์—”๋“œํฌ์ธํŠธ (๊ธฐ๋ณธ๊ฐ’: https://api.lemoncake.xyz)


๐Ÿƒ ๋กœ์ปฌ ๊ฐœ๋ฐœ

git clone https://github.com/evidai/lemon-cake.git
cd lemon-cake/mcp-server
npm install
npm run build
npm start

Docker

docker build -t pay-per-call-mcp .
docker run --rm -i -e LEMON_CAKE_BUYER_JWT=eyJhbGci... pay-per-call-mcp

์ด๋ฏธ์ง€๋Š” Glama Inspector์˜ ๋ธŒ๋ผ์šฐ์ € ๋‚ด ๋ฏธ๋ฆฌ๋ณด๊ธฐ์—๋„ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.


๐Ÿ”— ๊ด€๋ จ ๋งํฌ


๐Ÿ“„ ๋ผ์ด์„ ์Šค

MIT ยฉ LemonCake

Install Server
A
license - permissive license
A
quality
B
maintenance

Maintenance

โ€“Maintainers
1dResponse time
0dRelease cycle
9Releases (12mo)
Commit activity

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