MCP server for AI agent billing. Preflight spend checks before agent runs. Post-execution usage billing via two MCP tools: preflight() and record_event().
MCP server for OpenRouter's management API, enabling programmatic control of credits, inference keys, guardrails, and usage analytics from MCP-compatible clients.
MCP server that provides real-time rate-limit and context budget awareness to Claude Code, enabling it to plan tasks that fit within its constraints and defer work when needed.