{"repo":"NousResearch/hermes-agent","public_id":"116278","display_label":"MCP OAuth browser callback not captured correctly","summary":"A bug where the MCP login flow fails to register the OAuth callback despite the browser reaching the correct loopback port, apparently because subsequent browser requests (e.g. favicon.ico) overwrite or interfere with the first callback result. The members include the bug report and two related fix attempts.","subsystem":null,"counts":{"members":3,"open_issues":0,"open_issues_distinct":0,"open_prs":0,"closed_issues":1,"merged_prs":1,"attempt_prs":1},"landed_fix":{"status":"merged_to_main","basis":"structural","pr":116658,"merged_at":"2026-09-20T06:38:14+00:00"},"resolution":{"state":"resolved","by":"pr-116658"},"freshness":{"state":"verified","last_verified_at":"2026-09-20T06:38:14+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.6666666666666666},"fix_edges":[{"issue_number":116278,"pr_number":116658,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-20T06:38:14+00:00"}],"members":[{"kind":"issue","number":116278,"title":"mcp login: browser callback reaches the correct loopback port but the waiting flow never registers it (code+state+iss verified in browser history; curl to the same socket works)","url":null,"state":"closed"},{"kind":"pr","number":116314,"title":"fix(mcp): keep the first callback result from being clobbered by browser fetches","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"74ddb737ca5c","number":0},{"kind":"pr","value":"#116658","number":116658},{"kind":"pr","value":"#116278","number":116278},{"kind":"pr","value":"#116314","number":116314}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":116658,"title":"fix(mcp): browser OAuth callback is registered even when the browser also fetches favicon.ico (#116278, salvage #116314)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["tests/tools/test_mcp_oauth_callback_latch.py","tools/mcp_oauth.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}