{"type":"post","id":"now-in-agno-stateless-mcp-serving-analysis-b6980e","slug":"now-in-agno-stateless-mcp-serving-analysis-b6980e","title":"Now in Agno: stateless MCP serving.","description":"Agno’s AgentOS example configures MCP serving with `MCPConfig(default_tools=True, stateless=True)`, allowing its default tools to be served without transport sessions.","retrieval_nugget":"Agno’s AgentOS example configures MCP serving with `MCPConfig(default_tools=True, stateless=True)`, allowing its default tools to be served without transport sessions.","published_at":"2026-10-19","updated_at":"2026-10-19","record_date":"2026-10-19","date_kind":"published_at","topics":["mcp"],"source_urls":["https://docs.agno.com/examples/agent-os/mcp/stateless"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:now-in-agno-stateless-mcp-serving-analysis-b6980e","status":"published","visuals":[],"editorial_provenance":{"schema_version":"newruntime-editorial-copy-v1","content_status":"source_grounded_final","final_copy_sha256":"sha256:245b0cdc592b8b8e612b237fdf78f23473456898ab88fef439f93650211d96c9","reviewed_at":"2026-10-19T14:09:32.633Z","source_evidence_count":1,"verified_claim_count":3,"site_analysis_schema_version":"newruntime-site-analysis-v1","site_object_kind":"field_note","observed_fact_count":3,"implication_count":2,"watch_condition_count":1,"related_record_count":0},"analysis":{"schema_version":"newruntime-site-analysis-v1","object_kind":"field_note","thesis":"This is a transport-level compatibility control, not a complete stateless-agent architecture.","observed_facts":[{"text":"Agno’s example sets MCPConfig(default_tools=True, stateless=True) to serve default tools without transport sessions.","source_urls":["https://docs.agno.com/examples/agent-os/mcp/stateless"]},{"text":"The documentation says legacy stateless mode loses server-to-client requests and SSE resumability, while request-scoped progress remains available.","source_urls":["https://docs.agno.com/examples/agent-os/mcp/stateless"]},{"text":"The example uses SQLite for local development and says replicas still need shared application storage and run coordination.","source_urls":["https://docs.agno.com/examples/agent-os/mcp/stateless"]}],"mechanism":"Removing MCP transport sessions avoids requiring follow-up requests to return to the same replica for transport-session continuity, but does not remove application persistence or coordination requirements.","why_now":"The example makes the protocol-version boundary and the operational consequence explicit for teams deploying MCP behind multiple replicas.","implications":["Teams should treat transport statelessness and application-state sharing as separate deployment decisions.","Legacy clients face capability tradeoffs when transport sessions are disabled."],"evidence_boundary":"This is documentation and sample code, not a measured deployment report; it does not demonstrate production scale or quantify reliability gains.","watch_conditions":["Watch whether Agno documents or demonstrates a multi-replica setup with shared persistence and run coordination."],"related_records":[],"new_branch_reason":"No prior New Runtime record was supplied; this documents a distinct Agno MCP transport configuration and its explicit limitations."},"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/now-in-agno-stateless-mcp-serving-analysis-b6980e/","markdown":"https://newruntime.com/posts/now-in-agno-stateless-mcp-serving-analysis-b6980e.md","json":"https://newruntime.com/posts/now-in-agno-stateless-mcp-serving-analysis-b6980e.json"},"related_patterns":["agent-protocols-become-interoperability-layer"],"next_reads":[{"type":"topic","path":"/topics/mcp/","url":"https://newruntime.com/topics/mcp/","title":"Mcp","reason":"Explore the mcp topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/mcp.md","json_url":"https://newruntime.com/topics/mcp.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}