{"repo":"NousResearch/hermes-agent","public_id":"71335","display_label":"Cross-process locking for MCP OAuth token refresh","summary":"A bug where concurrent agent processes sharing the same HERMES_HOME directory corrupt rotating OAuth tokens due to missing cross-process file locking during MCP token refresh. The members cover the bug report and two related fixes addressing serialization and file locking.","subsystem":"agent","counts":{"members":4,"open_issues":0,"open_issues_distinct":0,"open_prs":0,"closed_issues":1,"merged_prs":1,"attempt_prs":2},"landed_fix":{"status":"merged_to_main","basis":"structural","pr":111186,"merged_at":"2026-09-15T05:20:14+00:00"},"resolution":{"state":"resolved","by":"pr-111186"},"freshness":{"state":"verified","last_verified_at":"2026-09-15T05:20:14+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.5},"fix_edges":[{"issue_number":71335,"pr_number":111186,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-09-15T05:20:14+00:00"}],"members":[{"kind":"issue","number":71335,"title":"[Bug][auth] Concurrent agent processes sharing HERMES_HOME corrupt rotating MCP OAuth grants (Notion) — no cross-process lock on mcp-tokens","url":null,"state":"closed"},{"kind":"pr","number":71377,"title":"fix(mcp): add cross-process file lock around OAuth token refresh (#71335)","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#71715","number":71715}],"category":"superseded_by_pr","implication":"superseded"},"merged":false},{"kind":"pr","number":71715,"title":"fix(mcp): serialize rotating OAuth refreshes","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"8ad7ae06e7","number":0},{"kind":"pr","value":"#111186","number":111186}],"category":"merged_via","implication":"superseded"},"merged":false},{"kind":"pr","number":111186,"title":"MCP OAuth refresh is fenced across processes so a rotated refresh token is presented exactly once (#71335, salvage #94846)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["tests/tools/test_mcp_oauth.py","tests/tools/test_mcp_oauth_manager.py","tools/mcp_oauth.py","tools/mcp_oauth_provider.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}