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Title
Money Forward compresses new developer onboarding from a week to a day with Claude Code
…hours per week per engineer according to an internal survey for early adopters Compressed new developer onboarding from a week to a single day Built internal tools including Sherlock for incident response and Lumos for aut…
Description
Money Forward, one of Japan's largest cloud financial software companies serving over 17 million users, ran a structured internal evaluation program called MEPAR before rolling out Claude Code company-wide, reaching 80% engineer adoption with over 90% code acceptance. API endpoint implementation time dropped from two days to five hours, a single engineer built the company's entire MCP Server solo in three months, and an automated onboarding command compressed new developer setup from a week to a single day as the company expanded engineering teams into India and Vietnam.
…any. The outcome: Money Forward uses Claude Code for development and automation More than 80% of engineers have adopted Claude Code, with over 70% using it daily. The code acceptance rate exceeds 90%—engineers trust Claude Code's output enough to integrate it without extensive review. Engineers report they are saving on average 7 hours per week per engineer, acco…
Company
Money Forward
…kly hours saved per engineer according to an internal survey for early adopters Money Forward , one of Japan's largest cloud-based financial software companies, serves more than 17 million individual users and 400,000 businesses with products spanning personal finance, accounting, payroll, and invoicing. Fo…
Country
Japan
…kly hours saved per engineer according to an internal survey for early adopters Money Forward , one of Japan's largest cloud-based financial software companies, serves more than 17 million individual users and 400,000 businesses with produ…
Region
Asia Pacific
…aude Code Industry: Financial services Company size: Large Product: Claude Code Location: Asia Pacific 80% of engineers have adopted Claude Code as part of their daily workflow 7 wee…
Industry
Financial Services
…d builds an AI-native engineering organization with Claude Code Try Claude Code Industry: Financial services Company size: Large Product: Claude Code Location: Asia Pacific 80% of engineer…
Problem
Money Forward's engineering team had experience with AI coding tools but hit a wall when migrating code, since existing tools only understood single projects within one IDE rather than navigating full context across languages and repositories.
…but encountered limitations. The challenge went deeper than IDE compatibility. When the team needed to migrate code, existing tools hit a wall because they only understood single projects within one IDE. Claude Code, by contrast, understood and navigated the full context across lang…
Solution
Money Forward launched MEPAR (Money Forward Engineering Productivity AI Research) and ran a disciplined evaluation with small trial groups before integrating Claude Code into PR workflows based on their style guide; after strong feedback drove bottom-up adoption, the company rolled it out organization-wide with an Anthropic training workshop. Engineers now use Claude Code for full feature implementations, large-scale refactoring, PR review automation, and an automated /onboarding command that sets up frontend, backend and end-to-end repositories, working across WebStorm, JetBrains IDEs, RubyMine and VS Code. The team also built internal tools Sherlock for incident investigation and Lumos, an agent that automatically fixes Kubernetes issues and submits a PR within five minutes.
…ly colleague on the project. I couldn't have done it without Claude Code." The team also built two internal tools: Sherlock, which helps investigate incidents by searching logs and surfacing past cases, and Lumos, an AI agent that automatically fixes Kubernetes issues and submits a PR within five minutes. Looking ahead Money Forward plans to extend Claude Code across the full softwar…
Business value
More than 80% of Money Forward's engineers have adopted Claude Code, with over 70% using it daily and a code acceptance rate exceeding 90%. API endpoint implementation dropped from 2 days to 5 hours for the Public API Initiative, with Claude Code generating about 80% of the implementation code; engineers save on average 7 hours per week; new developer onboarding compressed from a week to a single day; and one engineer built Money Forward's entire MCP Server solo in three months.
…, JetBrains IDEs, RubyMine, and VS Code without changing their preferred tools. For the Public API Initiative, API endpoint implementation dropped from 2 days to 5 hours. Claude Code generated approximately 80% of the implementation code. Developers…
AI capabilities
Agentic AI
…mple /onboarding command guides new members through the process interactively. "Claude Code's agentic capability transformed onboarding from frustration to enjoyment," said Aaron Li, Staff Engineer. "What used to take a week now takes a day. And…
Business functions
IT & Software Engineering
…ving on average 7 hours per week per engineer, according to an internal survey. Claude Code now serves as the foundation for Money Forward's engineering productivity across complex project development, automation tooling, and developer experience. Engineers use it for full feature implementations, large-scale refactoring, PR…
Technology
Claude Code
…re here Ask questions about this page Copy as markdown Case study | Claude Code Money Forward builds an AI-native engineering organization with Claude Code Try Claude Code Industry: Financial services Company size: Large Product: Claud…
Headline outcome
…rd: Achieved 80% engineer adoption with over 70% using it as their daily driver Reduced API endpoint implementation by 70%, from 2 days to 5 hours Saved on average 7 hours per week per engineer according to an internal survey…
Use case type
Software engineering assistance
…ross complex project development, automation tooling, and developer experience. Engineers use it for full feature implementations, large-scale refactoring, PR review automation, and an automated onboarding system that handles frontend, backend, and end-to-…
