JPYC Agent MCP
Connects Claude to JPYC stablecoin wallets on Polygon through an OAuth-protected remote endpoint. You get wallet creation, balance checks, JPYC transfers, and contract read/write operations all gated behind browser-based user consent. The quote-first execution pattern for transfers and contract writes lets you preview gas and effects before committing. Ships with Codex plugin metadata so ChatGPT can discover it directly from the repository root. If you're building payment flows or Web3 workflows that need user-owned wallet state without managing keys yourself, this gives you a secure RPC layer with session persistence across tools.
- tools
- 14
- transport
- HTTP
- last updated
- Mar 31, 2026
Tools
14 toolsPublic tool metadata for what this MCP can expose to an agent.
auth_status
No parameter schema in public metadata yet.
list_agent_wallets
No parameter schema in public metadata yet.
get_agent_wallet
No parameter schema in public metadata yet.
create_agent_wallet
No parameter schema in public metadata yet.
get_agent_wallet_balance
No parameter schema in public metadata yet.
quote_transfer
No parameter schema in public metadata yet.
transfer_jpyc
No parameter schema in public metadata yet.
list_transactions
No parameter schema in public metadata yet.
get_transfer_status
No parameter schema in public metadata yet.
read_contract
No parameter schema in public metadata yet.
quote_contract_write
No parameter schema in public metadata yet.
execute_contract_write
No parameter schema in public metadata yet.
list_contract_call_history
No parameter schema in public metadata yet.
get_contract_call_status
No parameter schema in public metadata yet.
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JPYC Agent MCP
JPYC Agent MCP can be used both as a public MCP endpoint and as a Codex plugin bundle. This repository now uses the repository root as the plugin root so Codex can discover it directly.
What It Supports
- Polygon agent wallet creation and lookup
- Wallet balance inspection
- JPYC transfer quote and execution flows
- Contract read calls
- Contract write quote and execution flows
- Transfer and contract call status tracking
Plugin Layout
Codex should discover the plugin from the repository root via the files below:
.codex-plugin/plugin.json.mcp.jsonskills/jpyc-agent-mcp/SKILL.mdskills/jpyc-agent-mcp/agents/openai.yamlconfig/default.json
Public Endpoint
Details
- Repository
- github.com/yourbright-jp/jpyc-agent-mcp
- Category
- AI & LLM Tools
- Transport
- HTTP
- Registry
- MCP registry, active
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