P-Link-MCP
Verified Safeby paracetamol951
Overview
The P-Link MCP Server connects AI clients (like ChatGPT, Claude) to a Solana-based payment system, enabling conversational management of cryptocurrency payments, wallet information, and creation of payment links.
Installation
npx plink-mcp-server --apikey=abcdef123456Environment Variables
- APIKEY
- REDIS_URL
- MCP_JWT_SECRET
- MCP_OAUTH_ISSUER
- MCP_OAUTH_AUDIENCE
- MCP_AUTH_WS_BASE
- MCP_OAUTH_PUBLIC_KEY_PEM
- MCP_OAUTH_PRIVATE_KEY_PEM
- MCP_OAUTH_CLIENT_ID
- MCP_OAUTH_REDIRECT_URI
- MCP_LANG
- REDIS_NAMESPACE
- API_BASE
Security Notes
The server uses 'change-me' as the default for `MCP_JWT_SECRET`, which is a critical vulnerability if not changed in a production environment. OAuth tokens embed the user's `APIKEY` directly, meaning if an access token is compromised, the API key is exposed. This design choice, while simplifying AI client interaction, carries a higher risk than opaque tokens. The system relies on secure configuration of OAuth keys (`MCP_OAUTH_PRIVATE_KEY_PEM`, `MCP_OAUTH_PUBLIC_KEY_PEM`) or it generates ephemeral keys suitable only for development. The `get_private_key_of_wallet` tool wisely redirects users to the P-Link.io website to obtain their private key, preventing direct programmatic exposure via the MCP server.
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