{"repo":"NousResearch/hermes-agent","public_id":"120015","display_label":"uvx fallback incorrectly activating Browser Use mode","summary":"A bug where the uvx fallback path was selecting Browser Use as the default browser mode even when browser-use was not installed or when browser.cdp_url was set, causing built-in browser tools to silently disappear. Related fixes and a note about the desktop app's default browser driver are included.","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":125995,"merged_at":"2026-09-28T06:53:42+00:00"},"resolution":{"state":"unresolved","by":null},"freshness":{"state":"verified","last_verified_at":"2026-09-28T06:53:42+00:00","is_stale":false},"grouping":{"backbone":"STRUCTURAL_SPANNING","link_density":0.5},"fix_edges":[{"issue_number":120015,"pr_number":125995,"tier":"verified","basis":"superseded_ref","confidence":0.9,"recoverable_from_timeline":false,"pr_merged_at":"2026-09-28T06:53:42+00:00"}],"members":[{"kind":"issue","number":120015,"title":"[Bug]: The Browser Use default activates through the `uvx` fallback even when browser-use isn't installed and `browser.cdp_url` is set, and the built-in `browser_*` tools (incl. `browser_vision`) disappear with no notice","url":null,"state":"closed"},{"kind":"pr","number":120033,"title":"fix(tools): uvx fallback no longer selects Browser Use mode by default","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"8a3ede1be0","number":0},{"kind":"pr","value":"#125995","number":125995}],"category":"superseded_by_pr","implication":"superseded"},"merged":false},{"kind":"pr","number":124315,"title":"fix: #120015 — Browser Use default no longer activates through the uvx fallback when browser.cdp_url is set","url":null,"state":"closed","close_reason":{"refs":[{"kind":"commit","value":"0e427d788d2","number":0},{"kind":"commit","value":"1d287d5375c","number":0},{"kind":"commit","value":"8a3ede1be0","number":0},{"kind":"commit","value":"521af5df7a5","number":0},{"kind":"pr","value":"#125995","number":125995},{"kind":"pr","value":"#120015","number":120015},{"kind":"pr","value":"#120033","number":120033}],"category":"implemented_elsewhere","implication":"superseded"},"merged":false},{"kind":"pr","number":125995,"title":"Desktop app ships the default browser driver (browser-harness in the main venv)","url":null,"state":"merged","close_reason":{"category":"merged"},"merged":true,"is_fix_pr":true,"fix_tier":"verified","files_changed":["hermes_cli/tools_config_post_setup.py","hermes_cli/update_cmd_maint.py","pyproject.toml","scripts/install.ps1","scripts/install.sh","scripts/smoke-payload.sh","tests/hermes_cli/test_tools_config.py","tests/hermes_cli/test_tools_config_post_setup.py","tests/hermes_cli/test_update_browser_use_cli_provision.py","tests/scripts/test_agent_build.py","tests/tools/test_browser_use_cli.py","tests/tools/test_browser_use_harness.py","tests/tools/test_browser_use_pm.py","tools/browser_use_cli.py","website/docs/getting-started/installation.md","website/docs/user-guide/features/browser.md"]}],"trust":{"default_tier":"verified","includes_suggested":false}}