# GCP Billing — MCP server on mcp.ai
> Google Cloud Billing BigQuery export reporting through a user-connected service account.

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

## Connect (MCP protocol)
Remote MCP endpoint (HTTP, streamable): https://api.mcp.ai/p_gcp_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/gcp_billing/_endpoints   # public; lists every endpoint
Call:     POST https://api.mcp.ai/api/gcp_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/gcp_billing/skill.md
Postman collection (v2.1): https://mcp.ai/gcp_billing/postman.json

## Tools
- gcp_billing_cost(days_back?: integer, start_date?: string, end_date?: string, account?: string) — Query normalized GCP Billing BigQuery export costs by day, service, project, and SKU. Returns compact totals only.
- gcp_billing_list_accounts(account?: string) — List GCP Billing BigQuery export credential records linked to this install.
- gcp_billing_top_services(days_back?: integer, start_date?: string, end_date?: string, limit?: integer, account?: string) — Query top GCP services by cost from the user's BigQuery billing export. Returns normalized service totals.

## Example prompts
- "Show GCP cost by service for the last 30 days"
- "List the top GCP services by spend this month"
- "Break down GCP billing by project and SKU"

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