MCPSpend
Know what your AI agents really cost. Real-time cost tracking for every MCP tool call across Cursor, Claude Desktop, Windsurf, and VS Code.
mcpspend.com · Smithery · npm · Open VSX · Glama
One-command install
npx --yes @mcpspend/proxy@latest init --key mcps_live_xxxAuto-detects Claude Desktop, Cursor, Windsurf, VS Code (user + workspace), and Claude Code (user + project). Wraps every configured MCP server, leaves a .mcpspend.bak backup, and starts streaming usage to your dashboard at mcpspend.com.
Free tier: 25,000 tool calls/month, no credit card.
What's in this monorepo
| Package | What it is |
|---|---|
packages/proxy |
@mcpspend/proxy — the stdio observability proxy + wrap-http bridge for remote MCP servers. Published on npm. |
packages/mcp-server |
@mcpspend/mcp-server — query your MCPSpend usage from inside any MCP client. Published on npm + Smithery. |
packages/vscode-extension |
mcpspend-vscode — IDE extension for Cursor, Windsurf, and VS Code. Published on Open VSX. |
apps/api |
Express + Prisma + Postgres + BullMQ. The ingest endpoint, billing, and the new /api/mcp HTTP MCP server. |
apps/dashboard |
Next.js dashboard at mcpspend.com. |
