# Jpyc Dev Reference

> Developer reference for JPYC, a JPY-pegged stablecoin (日本円ステーブルコイン) deployed on Ethereum, Polygon, and Avalanche. Provides contract addresses, ERC20 functions, EIP-3009 gasless transfer signatures, EIP-2612 permit, admin/role operations (mint, burn, pause, blocklist), EIP712 domain configuration, type hashes, error messages, and TypeScript/viem code examples.

## Facts
- Page: https://tashan.sh/capability/plugin-mameta29-jpyc-skill-jpyc-dev-reference
- tashan id: plugin:mameta29/jpyc-skill/jpyc-dev-reference
- Source: https://github.com/Mameta29/jpyc-skill
- Type: plugin
- Category: devtools
- tashan score: 35.0 / 100
- Adoption: 13.0
- Upkeep: 57.0
- Freshness: 83.0
- Evidence coverage: 84% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- GitHub stars: 2
- License: MIT
- Official: no

## Install

```sh
/plugin marketplace add anthropics/claude-plugins-community
/plugin install jpyc-dev-reference@claude-community
```

## Security audit
Not scanned. We audit npm-published capabilities; this one has no npm package we can resolve, or has not reached the queue. This is not a clean bill of health.

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Measured 2026-09-13 by tashan (https://tashan.sh) from public evidence. Scorer s5.