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Complete Solana on-chain DeFi data layer for AI agents - paid per call in USDC via x402.
npx @getmcp/cli add io.github.gra-kir/solsigs-mcpRequires Python 3.10+. Community-contributed server. Review source before installing.
SOLSIGS_MCP_KEYBase58 Solana private key of the AGENT'S OWN spending wallet (funded with USDC to pay per call). This is the consumer's key, never a SolSigs key.
Config file: ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"io.github.gra-kir/solsigs-mcp": {
"command": "uvx",
"args": [
"solsigs-mcp"
],
"env": {
"SOLSIGS_MCP_KEY": "",
"SOLANA_RPC_URL": "",
"SOLSIGS_BASE_URL": "",
"MCP_TRANSPORT": ""
}
}
}
}