{"repo":"NousResearch/hermes-agent","public_id":"121285","display_label":"MCP streamable HTTP 401 auth recovery bypass","summary":"A bug where 401 responses on tools/call requests in MCP streamable HTTP mode are surfaced as generic errors rather than triggering auth recovery, plus two fixes addressing how these 401s are routed through the recovery flow.","subsystem":"mcp","counts":{"members":3,"open_issues":1,"open_issues_distinct":1,"open_prs":2,"closed_issues":0,"merged_prs":0,"attempt_prs":2},"landed_fix":null,"resolution":{"state":"unresolved","by":null},"freshness":{"state":"never_verified","last_verified_at":null,"is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.6666666666666666},"fix_edges":[],"members":[{"kind":"issue","number":121285,"title":"MCP streamable HTTP: a 401 on tools/call reaches the model as 'MCPError: Server returned an error response'; auth recovery never runs (mcp 2.x)","url":null,"state":"open"},{"kind":"pr","number":121303,"title":"fix(mcp): recover opaque Streamable HTTP tool-call 401s","url":null,"state":"open","close_reason":{"refs":[{"kind":"commit","value":"a510d6c64a61582688133b5f54c8191e190a1f49","number":0}],"category":"stale_abandoned","implication":"active"},"merged":false},{"kind":"pr","number":125991,"title":"fix(tools): route a folded tools/call 401 through MCP auth recovery","url":null,"state":"open","close_reason":{"refs":[{"kind":"commit","value":"861f94dc4326b9de45fff009202b48415aadb9bc","number":0},{"kind":"commit","value":"98bf85621db123f0b3a85403d6af734013ec137d","number":0},{"kind":"commit","value":"b7e052c9034a08fb3211ec59b173b4507d236d4c","number":0},{"kind":"commit","value":"8fdbd20689d2ca8c2b5475121795d4a1c3ff3593","number":0},{"kind":"commit","value":"6bc0b0b07187d8d326c874ee6c8a3338f87ec6b4","number":0}],"category":"uncategorized","implication":"needs_llm"},"merged":false}],"trust":{"default_tier":"verified","includes_suggested":false}}