# Attribute Parallel MCP traffic to Agno

> ParallelMCPBackend now sends a User-Agent: agno/<version> header on every request, so Parallel can attribute the traffic your agents generate.

- Published: 2026-05-20
- Author: Agno Team
- Category: Changelog
- Canonical: https://agno-com-nine.vercel.app/articles/attribute-parallel-mcp-traffic-to-agno
- Markdown: https://agno-com-nine.vercel.app/articles/attribute-parallel-mcp-traffic-to-agno.md

`ParallelMCPBackend` now sends a `User-Agent: agno/<version>` header on every request, so Parallel can attribute the traffic your agents generate. Behavior is unchanged; the requests just carry clear provenance now.