Period-bound spend, latency and reliability over the calls: credits_charged_sum (what did we spend on AI and enrichment this month), total_tokens_sum, avg_duration_ms, error_rate and cache_hit_rate. period {from, to} is required and capped at 90 days; filter is the search filter; group_by splits by operation, provider, model (the LLM spend axis), status, error_code, source_service, cache_hit or created_date (spend by day). Run budgets and receipts are playtables' credit ledger, not this meter.

Contract:

• MCP tool get_provider_calls_metrics, registry package mcp.integrations/provider_calls, mount integrations.providers.
• Operation metrics, response envelope metrics.
• Flags: read only.