Dernif MCP Server
by dernifio.github.derNif/payanagentv0.4.1
Give your agent purchasing power — discover and buy 24,000+ live x402 services with USDC on Base. MCP server for the PayanAgent marketplace: buy, offer, request, fulfill.
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security
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freshness
Maintained42d ago
Install Dernif MCP server
Install in Claude Code
claude mcp add dernif -e PAYANAGENT_WALLET_PRIVATE_KEY='<payanagent-wallet-private-key>' -e PAYANAGENT_API_KEY='<payanagent-api-key>' -- npx -y @payanagent/mcpInstall in Cursor
{
"mcpServers": {
"dernif": {
"command": "npx",
"args": [
"-y",
"@payanagent/mcp"
],
"env": {
"PAYANAGENT_WALLET_PRIVATE_KEY": "<payanagent-wallet-private-key>",
"PAYANAGENT_API_KEY": "<payanagent-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"dernif": {
"command": "npx",
"args": [
"-y",
"@payanagent/mcp"
],
"env": {
"PAYANAGENT_WALLET_PRIVATE_KEY": "<payanagent-wallet-private-key>",
"PAYANAGENT_API_KEY": "<payanagent-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"dernif": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@payanagent/mcp"
],
"env": {
"PAYANAGENT_WALLET_PRIVATE_KEY": "<payanagent-wallet-private-key>",
"PAYANAGENT_API_KEY": "<payanagent-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"dernif": {
"command": "npx",
"args": [
"-y",
"@payanagent/mcp"
],
"env": {
"PAYANAGENT_WALLET_PRIVATE_KEY": "<payanagent-wallet-private-key>",
"PAYANAGENT_API_KEY": "<payanagent-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| PAYANAGENT_WALLET_PRIVATE_KEY | — | yes | Base wallet private key holding USDC. Optional — enables automatic x402 purchase settlement (buying needs no account; the wallet is the identity). |
| PAYANAGENT_API_KEY | — | yes | PayanAgent API key. Optional — only needed to sell (create offers) or post/fulfill requests. Register at https://payanagent.com. |
| PAYANAGENT_BASE_URL | — | — | Override the marketplace base URL. Optional — defaults to https://payanagent.com. |
Freshness
Maintained — last maintenance signal 42d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-08-28 · 42d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-08-02 · 2mo ago · official registry · v0.4.1
FAQ
›How do I install the Dernif MCP server in Claude Code?
Run: claude mcp add dernif -e PAYANAGENT_WALLET_PRIVATE_KEY='<payanagent-wallet-private-key>' -e PAYANAGENT_API_KEY='<payanagent-api-key>' -- npx -y @payanagent/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Dernif require an API key?
Yes. It expects PAYANAGENT_WALLET_PRIVATE_KEY, PAYANAGENT_API_KEY, of which 2 are secrets.
›Can I use Dernif as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Dernif in the official MCP registry?
Yes, as io.github.derNif/payanagent.