skills/boshu2__agentops

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boshu baaa9e22da feat!: prepare AgentOps 4.0 cathedral cut

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Codex Skill API Contract

Source of truth for what the Codex runtime actually supports. All converter output and validation must conform to this contract. Orientation contract: AGENTS.md.

Official docs:

SKILL.md Frontmatter

Codex recognizes only these frontmatter fields:

---
name: skill-name
description: 'Explain when this skill triggers and when it does not.'
---

Required: name, description Everything else is ignored. Fields like skill_api_version, context, metadata, allowed-tools, model, user-invocable, and output_contract are AgentOps-internal and must be stripped from Codex output.

Optional: agents/openai.yaml

Codex skills may include agents/openai.yaml for display metadata and policy:

interface:
  display_name: "User-facing name"
  short_description: "Brief description"
  icon_small: "./assets/small-logo.svg"
  icon_large: "./assets/large-logo.png"
  brand_color: "#3B82F6"
  default_prompt: "Optional surrounding prompt"

policy:
  allow_implicit_invocation: false

dependencies:
  tools:
    - type: "mcp"
      value: "toolName"
      description: "Tool description"
      transport: "streamable_http"
      url: "https://example.com"

Field	Purpose
`interface.display_name`	User-visible name in Codex UI
`interface.short_description`	Brief description for skill browser
`policy.allow_implicit_invocation`	`false` prevents auto-activation (explicit `$skill` only)
`dependencies.tools`	MCP server dependencies

Skill Discovery And Installation

The portable Codex skill root is .agents/skills/ at repository or parent scope and $HOME/.agents/skills/ at user scope. Current Codex desktop installs may also index $HOME/.codex/skills/; on Bo's development fleet both user roots are symlinks to this repository's canonical skills/ tree.

Scope	Path	Use Case
Repo (nearest)	`.agents/skills/` from CWD	Folder-specific workflows
Repo (parent)	`../.agents/skills/`	Nested repo organization
Repo (root)	`$REPO_ROOT/.agents/skills/`	Organization-wide skills
User	`$HOME/.agents/skills/`	Portable personal skill collection
Host compatibility	`$HOME/.codex/skills/`	Codex-host symlink root when configured
Admin	`/etc/codex/skills/`	System-wide defaults
System	Bundled with Codex	Built-in skills

Development symlinks may point directly at skills/<name>/; checked-in skills-codex/ packages are the release projection. Plugin caches are neither source nor an installation target and may be deleted without affecting the canonical repository skills.

Skill Invocation

Method	Syntax	Description
Explicit	`$skill-name` or `/skills` menu	User directly requests the skill
Implicit	Automatic	Codex matches task to skill description

Skills are loaded via progressive disclosure: metadata first (name, description), full SKILL.md only when activated.

Multi-Agent (Sub-Agents)

Current Codex releases enable subagent workflows by default. Codex only spawns subagents when the operator or parent agent explicitly asks it to do so. Subagents inherit the parent sandbox policy and live runtime overrides.

Agent Roles

Codex ships with these built-in roles:

Role	Purpose
`default`	General-purpose fallback
`worker`	Execution-focused implementation
`explorer`	Read-heavy codebase exploration

Custom agents live as standalone TOML files under $HOME/.codex/agents/ for personal agents or .codex/agents/ for project-scoped agents. Each custom agent file must define name, description, and developer_instructions. Optional fields such as nickname_candidates, model, model_reasoning_effort, sandbox_mode, mcp_servers, and skills.config inherit from the parent session when omitted.

Global subagent limits stay in the [agents] section of config.toml:

[agents]
max_threads = 6
max_depth = 1
job_max_runtime_seconds = 1800

[agents.reviewer]
description = "Code review specialist"
config_file = "codex-reviewer.toml"

agents.max_threads defaults to 6; agents.max_depth defaults to 1, which allows direct child agents but prevents deeper recursive fan-out.

Batch Processing

spawn_agents_on_csv processes batches of similar tasks:

Parameter	Description
`csv_path`	Source CSV file
`instruction`	Worker prompt template with `{column_name}` placeholders
`id_column`	Stable identifiers
`output_schema`	Fixed JSON structure for worker results
`output_csv_path`	Destination CSV containing row metadata and results
`max_concurrency`	Parallel worker limit
`max_runtime_seconds`	Worker timeout

Workers call report_agent_job_result exactly once.

sqlite_home controls where Codex stores the SQLite-backed state used for agent jobs and exported results.

Codex Built-in Tools

Tools available inside a Codex agent session:

Tool	Purpose
`read_file`	Read file contents
`list_dir`	List directory contents
`glob_file_search`	Find files by pattern
`apply_patch`	Apply file edits (diff-based)
`rg`	Ripgrep search
`git`	Git operations
Shell/terminal tool	Shell command execution
`spawn_agent`	Create a focused sub-agent
`send_input`	Send follow-up input to a sub-agent
`wait_agent`	Wait for one or more sub-agents
`close_agent`	Stop a stuck or no-longer-needed sub-agent

Claude → Codex Primitive Mapping

Claude Code	Codex Equivalent	Converter Action
`Read` tool	`read_file`	Map
`Edit` tool	`apply_patch`	Map
`Grep` tool	`rg`	Map
`Glob` tool	`glob_file_search`	Map
`Agent(subagent_type="Explore")`	Explorer agent role	Map
`Skill(skill="name")`	`$name` invocation	Map
`TaskCreate` / `TaskList` / `TaskUpdate`	No equivalent (`todo_write`/`update_plan` not available — empirically verified)	Strip
`TeamCreate` / `TeamDelete`	No equivalent	Strip
`SendMessage`	`send_input` for brief follow-up only	Rewrite or strip
`EnterPlanMode` / `ExitPlanMode`	No equivalent	Strip
`EnterWorktree`	No equivalent	Strip
`context.window`	No equivalent	Strip from frontmatter
`context.sections.exclude`	No equivalent	Strip from frontmatter
`context.intel_scope`	Intelligence scoping	Does not exist

Skills referencing these primitives produce broken instructions in Codex.

Converter Requirements

When generating Codex skills from source skills:

Strip all non-Codex frontmatter — emit only name + description
Map Claude tools to Codex tools — Read→read_file, Edit→apply_patch, Grep→rg, Glob→glob_file_search
Rewrite Skill(skill="X") to $X — Codex uses dollar-prefix invocation
Strip ALL task/team primitives — TaskCreate, TaskList, TeamCreate, SendMessage (none have working Codex equivalents as direct tool calls — todo_write/update_plan empirically unavailable, and send_input is follow-up-only)
Fix paths — avoid host-specific installed-skill paths; use repository-relative links in shipped instructions
Rewrite reference files — .md files in references/ pass through codex_rewrite_text() during copy
Preserve skill body — the SKILL.md body (instructions) is the skill's value; keep it functional

Validation Criteria

A Codex-conformant skill must:

Have frontmatter with only name and description
Contain no Claude-only primitive names (TaskCreate, TeamCreate, SendMessage, etc.)
Contain no Claude-specific paths and no dependency on one host's installed-skill root
Have valid agents/openai.yaml if present
Not reference non-existent Codex features (context controls, plan mode, etc.)

Generated inventories

skills/<name>/SKILL.md metadata owns the skill inventory and dependency graph. Run scripts/regen-all.sh after changing it. The CLI command surface is a separate executable projection generated from Cobra; no handwritten CLI-to-skill map is maintained.

Codex Skill Maintenance

Codex is a first-class runtime in this repo.

skills/<name>/SKILL.md is the canonical behavior contract.
skills-codex-overrides/<name>/ is the Codex-specific tailoring layer.
skills-codex-overrides/catalog.json is the machine-readable treatment map for the full catalog.
skills-codex/<name>/ is the generated checked-in Codex runtime artifact.

Editing an EXISTING parity skill regenerates its Codex twin — not just hashes. make regen-all / scripts/codex-sync.sh refresh parity-only twins from skills/<name>/ whenever their generated body, prompt, or mirrored references drift. scripts/regen-codex-hashes.sh remains the bookkeeping step after content is current. Manual edits under skills-codex/<name>/ are reserved for bespoke skills or deliberate Codex-only divergence recorded in skills-codex-overrides/catalog.json; otherwise fix the source skill or the codex-sync transform/template and regenerate.

The current catalog has no bespoke or pointer twins. Every live Codex package is a generated parity projection of skills/<name>/SKILL.md plus its linked local files. scripts/codex-sync.sh owns those packages; manual edits under skills-codex/<name>/ are drift and will be overwritten.

skills-codex-overrides/catalog.json remains the explicit treatment registry. If a future runtime-specific implementation is genuinely necessary, declare it there before editing a twin and add focused parity tests in the same change. Do not create an undocumented exception or a second skill inventory.

When a skill change affects Codex behavior, phrasing, orchestration, or UX:

Update the source skill under skills/ when the shared contract changes.
For parity-only skills, update source or the codex-sync transform/template and regenerate. Update skills-codex/<name>/SKILL.md directly only when the Codex runtime copy is bespoke, or update skills-codex-overrides/<name>/ when the Codex experience should differ from Claude.
- Prompt/operator-layer changes belong in skills-codex-overrides/<name>/prompt.md.
- Durable Codex-only body rewrites belong in skills-codex-overrides/<name>/SKILL.md.

Run the semantic audit if the checked-in Codex body looks suspicious:

bash scripts/audit-codex-parity.sh
# or target one skill
bash scripts/audit-codex-parity.sh --skill <name>

Validate the checked-in Codex artifacts:

bash scripts/audit-codex-parity.sh
bash scripts/validate-codex-override-coverage.sh
bash scripts/validate-codex-generated-artifacts.sh --scope worktree
bash scripts/validate-headless-runtime-skills.sh
python3 scripts/check-cathedral-cut-conformance.py

Think of skills/ as the shared contract, skills-codex-overrides/ as the durable Codex-only tailoring layer, and skills-codex/ as the checked-in Codex artifact shipped to users.

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