HarnessFacts
Anomaly / agent · runtime verified

OpenCode

Official documentation ↗

1.18.29Most recently tested version
11Capabilities observed
0Latest completed observations failed
1Unknown
2Documentation claims

Environments: linux x64 (7.0.0-31-generic). Capability summaries may refer to different versions. Inspect each run for context.

Observed results and official documentation are separate evidence. Missing data remains unknown.
CapabilityOpenCode
Root instructions✓ OBSERVEDv1.18.29 · linux x64Documented: unknown
Nested instructions✓ OBSERVEDv1.18.29 · linux x64Documented: unknown
Instruction precedence✓ OBSERVEDv1.18.29 · linux x64Documented: unknown
MCP stdio✓ OBSERVEDv1.18.29 · linux x64Documented: unknown
MCP HTTP✓ OBSERVEDv1.18.29 · linux x64Documented: unknown
Headless execution✓ OBSERVEDv1.18.29 · linux x64Documented: yes ↗
Exit semantics✓ OBSERVEDv1.18.29 · linux x64Documented: unknown
Structured output✓ OBSERVEDv1.18.29 · linux x64Documented: unknown
Skill discovery✓ OBSERVEDv1.18.29 · linux x64Documented: yes ↗
Hook execution? UNKNOWNDocumented: unknown
Git worktrees✓ OBSERVEDv1.18.29 · linux x64Documented: unknown
Repository boundary✓ OBSERVEDv1.18.29 · linux x64Documented: unknown
✓ Observed in a completed run× Expected behavior not observed? Insufficient evidenceHow to read these results →

Run history

Test / evidenceAgent versionTest versionEnvironmentResultDate
skills.discovery1.18.291.0.0linux x64pass2026-09-08
mcp.stdio1.18.291.0.0linux x64pass2026-09-08
mcp.http1.18.291.0.0linux x64pass2026-09-08
instructions.root1.18.291.0.0linux x64pass2026-09-08
instructions.precedence1.18.291.0.0linux x64pass2026-09-08
instructions.nested1.18.291.0.0linux x64pass2026-09-08
git.worktree-awareness1.18.291.0.0linux x64pass2026-09-08
git.scope-boundary1.18.291.0.0linux x64pass2026-09-08
execution.structured-output1.18.291.0.0linux x64pass2026-09-08
execution.headless1.18.291.0.0linux x64pass2026-09-08
execution.exit-success1.18.291.0.0linux x64pass2026-09-08
execution.exit-failure1.18.291.0.0linux x64fail2026-09-08
skills.discovery1.18.291.0.0linux x64pass2026-09-08
mcp.stdio1.18.291.0.0linux x64pass2026-09-08
mcp.http1.18.291.0.0linux x64pass2026-09-08
instructions.root1.18.291.0.0linux x64pass2026-09-08
instructions.precedence1.18.291.0.0linux x64pass2026-09-08
instructions.nested1.18.291.0.0linux x64pass2026-09-08
execution.structured-output1.18.291.0.0linux x64pass2026-09-08
execution.headless1.18.291.0.0linux x64pass2026-09-08
skills.discovery1.18.291.0.0linux x64pass2026-09-08
mcp.stdio1.18.291.0.0linux x64pass2026-09-08
mcp.http1.18.291.0.0linux x64pass2026-09-08
instructions.root1.18.291.0.0linux x64pass2026-09-08
instructions.precedence1.18.291.0.0linux x64pass2026-09-08
instructions.nested1.18.291.0.0linux x64pass2026-09-08
execution.structured-output1.18.291.0.0linux x64pass2026-09-08
execution.headless1.18.291.0.0linux x64error2026-09-08
instructions.nested1.18.291.0.0linux x64pass2026-09-08