multi-plan-handoff

A handoff helper for delegating planned work to other coding agents. It detects an existing plan file and passes that file directly to the selected agent.

In plain words
What is it for?
Use it when sending a plan to a multi-agent execution or delegation command. It supports plan files from supported planning workflows and passes their paths to the agent.
Why use it?
It prevents important details from being lost when a plan is copied or summarized several times. The delegated agent reads the original plan instead.

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/greenpolo/cc-multi-cli-plugin/multi-plan-handoff
Any agent
npx skills add greenpolo/cc-multi-cli-plugin --skill multi-plan-handoff
Clone the repo
git clone --depth 1 https://github.com/greenpolo/cc-multi-cli-plugin

Made for: Claude Code, Codex.

Per session 29 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,362 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 $0.00029 $0.01362
Opus 5 $0.00015 $0.00681
Sonnet 5 $0.00006 $0.00272
Haiku 4.5 $0.00003 $0.00136

Measured 2d ago against content hash 141961013d21, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

multi-plan-handoff 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 2d ago.

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/multi/skills/multi-plan-handoff/SKILL.md · 85 lines

How it starts

The opening of the file, as written. The whole thing — 85 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Multi-CLI Plan Handoff

When the user asks to delegate work to a multi:* execute/delegate subagent (multi:codex-execute, multi:cursor-delegate, multi:opencode-delegate, or any future execute/delegate subagent), you must check whether a plan file exists in conversation context. If one does, dispatch the subagent with --plan <path> and never paste the plan's content into the Agent tool's prompt.

The reason: every paraphrasing layer (you summarizing the plan, the Sonnet wrapper prepending framing, the upstream CLI re-reading prose) loses fidelity. --plan <path> makes the upstream CLI read the file directly — bytes-identical, zero rewriting.

Detection — when is there a plan in context?

Scan recent conversation for these signals, in priority order:

  1. Plan mode Plan File Info block. When Claude Code's plan mode is or was active, system reminders contain a line like: You should create your plan at C:\Users\<user>\.claude\plans\<slug>.md That path is canonical even after ExitPlanMode — the file persists. If you see this in any system reminder this session, treat it as the active plan file.

  2. Superpowers writing-plans output. The superpowers:writing-plans skill writes plan files to a known location and announces the path in its output. If you used or saw it this session, that path is in scope.

  3. Explicit user reference. Any path the user typed or that you wrote that matches one of:

    • */.claude/plans/*.md
    • */plans/*.md (project-local plans)
    • A path the user explicitly called "the plan" or "the spec"
  4. A plan you just authored. If you wrote a markdown file in this session whose path includes /plans/ and whose contents are step-by-step instructions, that's a plan.

Trigger phrases

Apply this skill when the user says any of these (case-insensitive, fuzzy):

  • "execute it via codex" / "send to codex" / "delegate to codex" / "have codex implement this" / "codex it"
  • "execute via cursor" / "send to cursor" / "delegate to cursor" / "cursor it"
  • "execute via opencode" / "send to opencode" / "delegate to opencode" / "opencode it"
  • "execute the plan" (with no path — auto-resolve from context)
  • Any explicit "/codex:execute", "/cursor:delegate", or "/opencode:delegate" with no inline prompt text

Read the full file on GitHub · 85 lines

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. 2d ago First seen · 85 lines · 29 tokens per session scan A 141961013d21

Subscribe to this mod's changes

multi-plan-handoff is a skill published in the GitHub repository greenpolo/cc-multi-cli-plugin (89 stars, last pushed 16d ago), licensed Apache-2.0. It adds 29 tokens to every session and 1,362 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 2026-08-30.

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