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Achievement: QuickdrawAchievement: Pair ExtraordinaireAchievement: Pull SharkAchievement: YOLO

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mrslbt/README.md

Marsel Bait

Product designer in Tokyo · Side quest: shipping AI infrastructure

Building for the era when the user isn't always human. Seven MCPs on npm, all solo end-to-end. Design portfolio lives at marselbait.me; this GitHub is the delivery record.

Currently shipping

  • rakuten-mcp · Rakuten Ichiba, Books, Travel, Recipe, Kobo, and GORA (golf) for AI agents
  • tabedata-mcp · Bilingual Japanese food nutrition (460 cited items) for AI agents
  • xendit-mcp · Xendit payment APIs across Southeast Asia for AI agents
  • paypay-mcp · PayPay Open Payment API for AI agents
  • japan-ux-mcp · Japan-native web UX conventions as agent tools
  • rippr · YouTube transcript ripper for RAG and LLM workflows (Chrome extension + MCP)
  • pdf-it · designed PDF output from markdown (Claude Code skill + MCP)

Background

Visual Designer at Mirai Creation Company in Tokyo (2024 to present).

Product Designer at Enjin Inc (2020 to 2024).

M.A. Media Design, Keio University (KMD). B.A. Visual Communication, University of the Philippines Diliman.

Languages

English · Indonesian · Filipino · Japanese (conversational)

Find me

Open to senior product design roles, especially in AI-native companies.

Pinned Loading

  1. pdf-it pdf-it Public

    Native PDF renderer for AI-generated markdown. Cover page, auto TOC, page-numbered footer. Fonts embedded, zero config.

    TypeScript 1 1

  2. rippr rippr Public

    YouTube transcript ripper for RAG, LLM workflows, and AI research. Chrome extension. Multiple output formats

    JavaScript 2

  3. xendit-mcp xendit-mcp Public

    MCP server for the Xendit payment API. Invoices, disbursements, balances, and transactions across Indonesia, the Philippines, Thailand, Vietnam, and Malaysia.

    JavaScript 1

  4. paypay-mcp paypay-mcp Public

    MCP server for the PayPay Open Payment API. Create QR codes, check payments, refunds, and cancellations. Tools documented in English and Japanese.

    TypeScript

  5. rakuten-mcp rakuten-mcp Public

    MCP server for the Rakuten Web Service API. 28 read-only tools across Ichiba (e-commerce), Books, Travel, Recipe, Kobo, and GORA (golf). Bilingual EN/JA tool descriptions.

    TypeScript

  6. japan-ux-mcp japan-ux-mcp Public

    MCP server for Japanese web UX conventions. Generates and audits forms, typography, layout, trust signals, legal requirements, keigo, and seasonal design.

    TypeScript