{"repo":"NousResearch/hermes-agent","public_id":"125300","display_label":"MCP stdio PATH resolution bug and fix","summary":"A bug where Desktop's isolated mode places bundled Python first on the PATH causes bare stdio MCP server commands to fail with 'Connection closed'. The members cover the bug report and a corresponding fix to preserve correct PATH semantics for bare commands.","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":132847,"merged_at":"2026-10-04T17:42:26+00:00"},"resolution":{"state":"resolved","by":"pr-132847"},"freshness":{"state":"verified","last_verified_at":"2026-10-04T17:42:26+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.6666666666666666},"fix_edges":[{"issue_number":125300,"pr_number":132847,"tier":"verified","basis":"closing_ref","confidence":0.95,"recoverable_from_timeline":true,"pr_merged_at":"2026-10-04T17:42:26+00:00"}],"members":[{"kind":"issue","number":125300,"title":"[Bug]: Desktop serve --isolated puts bundled python first on MCP child PATH; bare 'python3' MCP servers die with 'Connection closed'","url":null,"state":"closed"},{"kind":"pr","number":125318,"title":"fix(mcp): keep a bare stdio command on the user's PATH semantics","url":null,"state":"closed","close_reason":{"refs":[{"kind":"pr","value":"#132847","number":132847}],"category":"implemented_elsewhere","implication":"superseded"},"merged":false},{"kind":"pr","number":132847,"title":"fix(mcp): keep a bare stdio command on the user's PATH semantics [risk 0.30]","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["tests/tools/test_mcp_tool_issue_948.py","tools/mcp_tool_config.py","tools/mcp_tool_discovery.py"]}],"trust":{"default_tier":"verified","includes_suggested":false}}