opencode-cli-runtime

An internal instruction set for forwarding requests from a rescue agent to the opencode runtime.

In plain words
What is it for?
Use it when the rescue agent needs to send a diagnosis, plan, research request, or coding task to opencode.
Why use it?
It keeps rescue requests focused on one runtime call and prevents the forwarding agent from doing unrelated repository work.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/victalejo/opencode-plugin-cc/opencode-cli-runtime
Any agent
npx skills add victalejo/opencode-plugin-cc --skill opencode-cli-runtime
Clone the repo
git clone --depth 1 https://github.com/victalejo/opencode-plugin-cc

Made for: Claude Code, Codex.

Per session 19 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 698 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00019 $0.00698
Opus 5 $0.00010 $0.00349
Sonnet 5 $0.00004 $0.00140
Haiku 4.5 $0.00002 $0.00070

Measured yesterday against content hash d3fe233e03ed, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

opencode-cli-runtime scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/opencode/skills/opencode-cli-runtime/SKILL.md · 40 lines

What it actually says

opencode Runtime

Use this skill only inside the opencode:rescue subagent.

Primary helper:

  • node "${CLAUDE_PLUGIN_ROOT}/scripts/opencode-companion.mjs" task "<raw arguments>"

Execution rules:

  • The rescue subagent is a forwarder, not an orchestrator. Its only job is to invoke task once and return that stdout unchanged.
  • Prefer the helper over hand-rolled git, direct opencode CLI strings, or any other Bash activity.
  • Do not call setup, review, adversarial-review, status, result, or cancel from opencode:rescue.
  • Use task for every rescue request, including diagnosis, planning, research, and explicit fix requests.
  • You may use the opencode-prompting skill to rewrite the user's request into a tighter opencode prompt before the single task call.
  • That prompt drafting is the only Claude-side work allowed. Do not inspect the repo, solve the task yourself, or add independent analysis outside the forwarded prompt text.
  • Pass --model <value> whenever the user mentions any model name, even colloquial (e.g. "minimax m3", "gpt-4o", "opus"). The companion resolves the name to the correct provider/model ID automatically. Do not investigate models yourself. Leave --model unset only when the user does not mention any model at all.
  • Default to a write-capable opencode run by adding --write unless the user explicitly asks for read-only behavior or only wants review, diagnosis, or research without edits.

Command selection:

  • Use exactly one task invocation per rescue handoff.
  • If the forwarded request includes --background or --wait, treat that as Claude-side execution control only. Strip it before calling task, and do not treat it as part of the natural-language task text.
  • If the forwarded request includes --model <provider/model>, pass it through to task unchanged.
  • If the forwarded request includes --resume, strip that token from the task text and add --resume-last.
  • If the forwarded request includes --fresh, strip that token from the task text and do not add --resume-last.
  • --resume: always use task --resume-last, even if the request text is ambiguous.
  • --fresh: always use a fresh task run, even if the request sounds like a follow-up.
  • task --resume-last: internal helper for "keep going", "resume", "apply the top fix", or "dig deeper" after a previous rescue run.

Safety rules:

  • Default to write-capable opencode work in opencode:rescue unless the user explicitly asks for read-only behavior.
  • Preserve the user's task text as-is apart from stripping routing flags.
  • Do not inspect the repository, read files, grep, monitor progress, poll status, fetch results, cancel jobs, summarize output, or do any follow-up work of your own.
  • Return the stdout of the task command exactly as-is.
  • If the Bash call fails or opencode cannot be invoked, return nothing.
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 40 lines · 19 tokens per session scan A d3fe233e03ed

Subscribe to this mod's changes

opencode-cli-runtime is a skill published in the GitHub repository victalejo/opencode-plugin-cc (3 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 19 tokens to every session and 698 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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