# Anthropic Billing — MCP server on mcp.ai
> Anthropic organization usage and cost reporting through an admin API key connected by the user.

By: mcp.ai · official
Page: https://mcp.ai/anthropic_billing

## Connect (MCP protocol)
Remote MCP endpoint (HTTP, streamable): https://api.mcp.ai/p_anthropic_billing?ms=1781045820000
Add it as a custom/remote MCP connector, then authenticate when prompted.

## REST API (no MCP client required)
Every tool is also a REST endpoint, authed with a workspace API key.
Discover: GET https://api.mcp.ai/api/anthropic_billing/_endpoints   # public; lists every endpoint
Call:     POST https://api.mcp.ai/api/anthropic_billing/<endpoint>
  Authorization: Bearer sk_live_…   # create one at https://mcp.ai/settings/api-keys
  Content-Type: application/json
  Body: { …args }   →   { "ok": true, "tool": "<id>", "result": { … } }

## Developer docs
How to use (MCP or REST), markdown: https://mcp.ai/anthropic_billing/skill.md
Postman collection (v2.1): https://mcp.ai/anthropic_billing/postman.json

## Tools
- anthropic_billing_cost(days_back?: integer, start_date?: string, end_date?: string, group_by?: string, bucket_width?: string, account?: string) — Get normalized Anthropic cost report for a date range. Returns compact totals and daily costs.
- anthropic_billing_list_accounts(account?: string) — List Anthropic Billing admin API connections linked to this install.
- anthropic_billing_usage(days_back?: integer, start_date?: string, end_date?: string, group_by?: string, bucket_width?: string, account?: string) — Get normalized Anthropic Messages API usage for a date range. The adapter drains report pagination internally.

## Example prompts
- "Show Anthropic usage for the last 30 days"
- "What did Anthropic cost this month?"
- "Break down Anthropic message tokens by day"

## Links
Docs: https://mcp.ai/docs/mcps/anthropic_billing
Website: https://mcp.ai/mcps/anthropic_billing