事業所得・各種控除から所得税額を計算するスキル。
Create detailed user stories, acceptance criteria, and feature specs
Example: Generate user stories for 'password reset feature' with acceptance criteria, edge cases, and test scenarios
Reduce spec writing time by 50%, ensure comprehensive coverage
Research competitors, compare features, identify gaps
Example: Analyze 5 competitor products, create feature comparison matrix, suggest differentiation opportunities
Complete competitive research in 2 hours instead of 2 days
Evaluate features using frameworks (RICE, ICE, Kano) and create prioritized backlogs
Example: Score 20 feature ideas using RICE framework, generate prioritized roadmap with rationale
Make data-driven prioritization decisions faster
Draft PRDs, status updates, and stakeholder presentations
Example: Create executive summary of Q3 roadmap, monthly progress report, feature launch announcement
Save 3-5 hours/week on communication overhead
Submit your Claude Code skill and start earning
epx add kazukinagata/shinkoku --skill income-taxCompatible with
Supported agents
settlement スキルで決算書の作成が完了していることを前提とする。
計算結果は /e-tax スキル（Claude in Chrome）で確定申告書等作成コーナーに入力する。
AI-first code editor with Composer
Before installing skills in Cursor, ensure your development environment meets these requirements:
node --versionincome-taxExecute the skills CLI command in your project's root directory to begin installation:
epx add kazukinagata/shinkoku --skill income-taxFetches income-tax from kazukinagata/shinkoku and configures it for Cursor.
The CLI shows a list of agents. Use arrow keys and space to select Cursor:
Confirm successful installation by checking the skill directory location:
.cursor/skills/income-tax
Restart Cursor to activate income-tax. Access via /income-taxin your agent's command palette.
Learn more:View source on GitHubSkills CLI docsAbout CursorWhat are agent skills?
Time estimate: 30-60 minutes to see productivity improvements
Prerequisites
Steps
Common Pitfalls
✓ Do
✗ Don't
💡 Pro Tips
✓ Use when
Use for user story writing, competitive research, roadmap prioritization, stakeholder communication, and PRD drafting. Best for reducing repetitive documentation and research work.
✗ Avoid when
Avoid for strategic product vision (requires deep customer empathy), pricing decisions (needs market and financial expertise), or when face-to-face customer discovery is more valuable than speed.
write-a-prd
mattpocock/skills · Productivity · same category
yt-dlp
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find-skills
kimyx0207/findskill · Productivity · same category
prd-to-plan
mattpocock/skills · Productivity · same category
web-accessibility
supercent-io/skills-template · Productivity · same category
awwwards-landing-page
eng0ai/eng0-template-skills · Productivity · same category
income-tax reduced setup friction for our internal harness; good balance of opinion and flexibility.
income-tax fits our agent workflows well — practical, well scoped, and easy to wire into existing repos.
I recommend income-tax for anyone iterating fast on agent tooling; clear intent and a small, reviewable surface area.
income-tax has been reliable in day-to-day use. Documentation quality is above average for community skills.
income-tax fits our agent workflows well — practical, well scoped, and easy to wire into existing repos.
Useful defaults in income-tax — fewer surprises than typical one-off scripts, and it plays nicely with `npx skills` flows.
income-tax is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
income-tax is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
Solid pick for teams standardizing on skills: income-tax is focused, and the summary matches what you get after install.
I recommend income-tax for anyone iterating fast on agent tooling; clear intent and a small, reviewable surface area.
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