One spend ceiling per agent job, as MCP tools. Bound to a task_ref you pass, not a calendar month.
Streamable HTTP
https://agentbill.dev/mcpclaude mcp add --transport http agentbill-mcp https://agentbill.dev/mcpagentbill-mcp · pypi 0.3.1 · stdio
claude mcp add --transport stdio agentbill-mcp -- uvx agentbill-mcp==0.3.1