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Skill metadata

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Reference: full SKILL.md

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OpenCode CLI

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When to Use

• User explicitly asks to use OpenCode
• You want an external coding agent to implement/refactor/review code
• You need long-running coding sessions with progress checks
• You want parallel task execution in isolated workdirs/worktrees

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Prerequisites

• OpenCode installed: npm i -g opencode-ai@latest or brew install anomalyco/tap/opencode
• Auth configured: opencode auth login or set provider env vars (OPENROUTER_API_KEY, etc.)
• Verify: opencode auth list should show at least one provider
• Git repository for code tasks (recommended)
• pty=true for interactive TUI sessions

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Binary Resolution (Important)

terminal(command="which -a opencode")
terminal(command="opencode --version")

terminal(command="$HOME/.opencode/bin/opencode run '...'", workdir="~/project", pty=true)

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One-Shot Tasks

terminal(command="opencode run 'Add retry logic to API calls and update tests'", workdir="~/project")

terminal(command="opencode run 'Review this config for security issues' -f config.yaml -f .env.example", workdir="~/project")

terminal(command="opencode run 'Debug why tests fail in CI' --thinking", workdir="~/project")

terminal(command="opencode run 'Refactor auth module' --model openrouter/anthropic/claude-sonnet-4", workdir="~/project")

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Interactive Sessions (Background)

terminal(command="opencode", workdir="~/project", background=true, pty=true)
# Returns session_id

# Send a prompt
process(action="submit", session_id="<id>", data="Implement OAuth refresh flow and add tests")

# Monitor progress
process(action="poll", session_id="<id>")
process(action="log", session_id="<id>")

# Send follow-up input
process(action="submit", session_id="<id>", data="Now add error handling for token expiry")

# Exit cleanly — Ctrl+C
process(action="write", session_id="<id>", data="\x03")
# Or just kill the process
process(action="kill", session_id="<id>")

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TUI Keybindings

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Resuming Sessions

terminal(command="opencode -c", workdir="~/project", background=true, pty=true)  # Continue last session
terminal(command="opencode -s ses_abc123", workdir="~/project", background=true, pty=true)  # Specific session

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Common Flags

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Procedure

1. Verify tool readiness:
   • terminal(command="opencode --version")
   • terminal(command="opencode auth list")
2. For bounded tasks, use opencode run '...' (no pty needed).
3. For iterative tasks, start opencode with background=true, pty=true.
4. Monitor long tasks with process(action="poll"|"log").
5. If OpenCode asks for input, respond via process(action="submit", ...).
6. Exit with process(action="write", data="\x03") or process(action="kill").
7. Summarize file changes, test results, and next steps back to user.

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PR Review Workflow

terminal(command="opencode pr 42", workdir="~/project", pty=true)

terminal(command="REVIEW=$(mktemp -d) && git clone https://github.com/user/repo.git $REVIEW && cd $REVIEW && opencode run 'Review this PR vs main. Report bugs, security risks, test gaps, and style issues.' -f $(git diff origin/main --name-only | head -20 | tr '\n' ' ')", pty=true)

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Parallel Work Pattern

terminal(command="opencode run 'Fix issue #101 and commit'", workdir="~/.mibyan/cache/scratch/issue-101", background=true, pty=true)
terminal(command="opencode run 'Add parser regression tests and commit'", workdir="~/.mibyan/cache/scratch/issue-102", background=true, pty=true)
process(action="list")

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Session & Cost Management

terminal(command="opencode session list")

terminal(command="opencode stats")
terminal(command="opencode stats --days 7 --models anthropic/claude-sonnet-4")

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Pitfalls

• Interactive opencode (TUI) sessions require pty=true. The opencode run command does NOT need pty.
• /exit is NOT a valid command — it opens an agent selector. Use Ctrl+C to exit the TUI.
• PATH mismatch can select the wrong OpenCode binary/model config.
• If OpenCode appears stuck, inspect logs before killing:
  • process(action="log", session_id="<id>")
• Avoid sharing one working directory across parallel OpenCode sessions.
• Enter may need to be pressed twice to submit in the TUI (once to finalize text, once to send).

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Verification

terminal(command="opencode run 'Respond with exactly: OPENCODE_SMOKE_OK'")

• Output includes OPENCODE_SMOKE_OK
• Command exits without provider/model errors
• For code tasks: expected files changed and tests pass

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Rules

1. Prefer opencode run for one-shot automation — it’s simpler and doesn’t need pty.
2. Use interactive background mode only when iteration is needed.
3. Always scope OpenCode sessions to a single repo/workdir.
4. For long tasks, provide progress updates from process logs.
5. Report concrete outcomes (files changed, tests, remaining risks).
6. Exit interactive sessions with Ctrl+C or kill, never /exit.