| name | oca-harness-setup |
| description | Use when setting up a new OCA harness from scratch, resolving OCA-specific issues (model prefix, variant config paths), or comparing harness capabilities — not for adding rules/skills/MCP to an existing harness (use agent-configuration for that) |
| metadata | {"owner":"platform_org","last_updated":"2026-03-31T00:00:00.000Z"} |
OCA Harness Setup
Reference knowledge for configuring agent harnesses in an Oracle Code Assist environment.
When to use
- Setting up a new harness for the first time
- Troubleshooting harness configuration (model not found, MCP not loading, wrong config path)
- Comparing harness capabilities to choose one
- Configuring Codex with OCA model prefixes
References
This skill bundles reference files in references/ — load them on demand:
| Reference | Use when |
|---|
| oca-harness-catalog.md | Need to know which harnesses OCA supports, their variants, or AICODE page IDs |
| oca-codex-config.md | Configuring Codex config.toml with OCA model prefix (oca/) and settings |
| cline-variant-config-surfaces.md | Finding Cline config paths across VS Code, IntelliJ, and CLI variants |
| codex-capabilities.md | Understanding Codex configuration surfaces (rules, skills, MCP, settings) |
| codex-variant-config-surfaces.md | Checking if Codex Desktop/IDE differ from CLI (they don't — all share config.toml) |
Quick reference
Codex model prefix: All OCA model names require oca/ prefix in config.toml (e.g., oca/o4-mini).
Codex config location: ~/.codex/config.toml — shared across CLI, Desktop, and IDE variants.
Cline MCP paths diverge by variant: VS Code uses ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json, IntelliJ and CLI use ~/.cline/mcp_settings.json.