Actual base: effaab94e36992ea9712c2a56d5ff602a3cead04
Harness     Version                              Before       After
codex       0.128.0                              no policy    broken
codex       0.129.0                              no policy    supported
claudeAgent 2.1.110                              no policy    unsupported
claudeAgent 2.1.279                              no policy    graceful
claudeAgent 2.1.280                              no policy    supported
cursor      2026.05.08-a1b2c3d                   no policy    unknown
cursor      2026.05.09-a1b2c3d                   no policy    supported
grok        1.0.12                               no policy    unknown
grok        1.0.13                               no policy    supported
opencode    1.14.18                              broken       broken
opencode    1.14.19                              unknown      supported
antigravity agy_acp_server_1.1.1                 no policy    supported
antigravity agy_acp_server_1.1.2                 no policy    unknown
antigravity agy_acp_server_20260818_01_RC01      no policy    unknown

Codex 0.129.0 probe: isolated, empty temporary home; no credentials or model turn.
Current response schemas accepted initialize, account/read, model/list and skills/list.