# Harvey Budget - Agent Spending Management MCP Server > MCP server for AI agents. Budget tracking, spend approval, ROI analysis, and intelligent recommendations. > Pure logic - no LLM dependency. Pay per call with USDC via x402 micropayments. No account needed. > Built by MeltingPixels. ## Tools (6 total, 3 free + 3 paid) - [list_tools](https://budget.rugslayer.com/mcp): List all tools with pricing (FREE) - [health](https://budget.rugslayer.com/mcp): Server status and payment config (FREE) - [register_agent](https://budget.rugslayer.com/mcp): Register agent with budget limits (FREE) - [check_spend](https://budget.rugslayer.com/mcp): Check if a spend is within budget ($0.001) - [report_spend](https://budget.rugslayer.com/mcp): Record a spend with outcome ($0.001) - [get_spending_report](https://budget.rugslayer.com/mcp): Spending analytics with ROI and recommendations ($0.005) ## Connection - [MCP Endpoint](https://budget.rugslayer.com/mcp): Connect directly via MCP - [npm](https://www.npmjs.com/package/@meltingpixels/harvey-budget): @meltingpixels/harvey-budget - [Claude Code](https://budget.rugslayer.com/mcp): claude mcp add harvey-budget --transport http https://budget.rugslayer.com/mcp ## Authentication - [x402 USDC](https://budget.rugslayer.com/mcp): Pay per call on Solana, no account needed ## Pricing - check_spend: $0.001 USDC per call - report_spend: $0.001 USDC per call - get_spending_report: $0.005 USDC per call