For the complete documentation index, see llms.txt. Markdown versions of all docs pages are available by appending .md to any docs URL.
Mirroring
Verified : Code examples on this page have been automatically tested and verified.Send copies of requests to alternative backends for shadow testing.
Note
Agentgateway supports more than one configuration style. Where a feature can also be configured in the simplified llm or mcp modes, the examples on this page show each option in tabs. For more information, see Routing-based configuration.
Request mirroringMirroringA resiliency feature that sends a copy of requests to an additional backend for testing or analysis, without affecting the primary request flow. allows sending a copy of each request to an alternative backend. These requests will not be retried if they fail.
# yaml-language-server: $schema=https://agentgateway.dev/schema/config
mcp:
port: 3000
policies:
requestMirror:
backend:
host: localhost:8080
# Mirror 50% of requests
percentage: 0.5
targets:
- name: everything
stdio:
cmd: npx
args: ["@modelcontextprotocol/server-everything"]Was this page helpful?
