MCP Servers
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MCPSpend is the first cost-observability platform built natively for MCP. One CLI command wraps your existing MCP servers across Claude Desktop, Cursor, Windsurf, VS Code, and Claude Code — zero SDK changes. Per-tool / per-project cost attribution, $ budget alerts via email + Slack
This implementation follows the official MCP specification, including proper message framing, transport layer implementation, and complete protocol lifecycle management. It provides a foundation for building federated MCP systems that can scale across multiple servers while maint
New to MCP?
From what the protocol is to installing your first server, these answers cover most first questions.
An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.
