tasks

A planning aid that turns an approved PLAN.md or SPEC.md into a TASKS.md file containing milestones and checklists. PLAN.md and SPEC.md are common files that describe planned software work.

In plain words
What is it for?
Use it to prepare implementation tasks after a plan or specification has been confirmed. It then waits for the user to approve the task list before work starts.
Why use it?
It turns an agreed plan into smaller, trackable work items without changing production code.

Skill for Claude CodeCodex

Part of the magi plugin — 15 skills, 2 agents shipped together

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/howar31/magi-workflow/tasks
Any agent
npx skills add howar31/magi-workflow --skill tasks
Clone the repo
git clone --depth 1 https://github.com/howar31/magi-workflow

Made for: Claude Code, Codex.

Or install magi, the plugin that ships this one along with the rest of its 15 skills, 2 agents.

Per session 58 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,467 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 $0.00058 $0.01467
Opus 5 $0.00029 $0.00733
Sonnet 5 $0.00012 $0.00293
Haiku 4.5 $0.00006 $0.00147

Measured 2d ago against content hash 61c74bcb3be1, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

tasks 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.

skills/tasks/SKILL.md · 151 lines

How it starts

The opening of the file, as written. The whole thing — 151 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/magi:tasks — milestone & task decomposition

You are the coordinator (Opus). Convert a confirmed PLAN.md or SPEC.md into a TASKS.md, then stop and wait for user confirmation. You do not write production code in this skill.

0. Preflight

PLUGIN_ROOT="${CLAUDE_PLUGIN_ROOT:-}"
[[ -z "$PLUGIN_ROOT" ]] && PLUGIN_ROOT="$(cd "$(dirname "$BASH_SOURCE[0]")/../.." 2>/dev/null && pwd)"
USER_CONFIG="$HOME/.config/magi-workflow/config.json"

If $USER_CONFIG is missing, tell the user to run /magi:setup first.

0.5. State preflight (auto-refuse if not allowed)

Run scripts/shared/detect-state.sh and check whether tasks is in the disallowed_skills map. If yes, present the reason + suggested next step in the user's output_language and abort.

STATE_JSON=$(bash "$PLUGIN_ROOT/scripts/shared/detect-state.sh")
blocked=$(jq -r '.disallowed_skills["tasks"] // empty' <<<"$STATE_JSON")
if [[ -n "$blocked" ]]; then
  reason=$(jq -r '.disallowed_skills["tasks"].reason' <<<"$STATE_JSON")
  suggest=$(jq -r '.disallowed_skills["tasks"].suggest' <<<"$STATE_JSON")
  echo "Cannot run /magi:tasks: $reason"
  echo "Suggested: $suggest"
  exit 1
fi

After preflight passes, also surface any staleness warnings relevant to this skill. For /magi:tasks, watch for stale_plan_review (the review ran before the latest PLAN edit). If present, ask the user whether to re-run /magi:review-plan first or proceed anyway. Default proceed if the user just hits Enter.

--force skips the entire preflight (advanced/recovery only).

1. Locate the sprint

Find the target magi/<num>-<slug>/ folder:

  1. If user passed an argument (/magi:tasks 03-profile-page), use it.
  2. Otherwise, list magi/*/ folders sorted by <num> desc and ask the user to pick. Default to the most recent.

Read the existing PLAN.md or SPEC.md in the chosen folder. If neither exists, tell the user to run /magi:plan first.

2. Read context

  • magi/PRD.md, magi/TECHSTACK.md (project-level)
  • CLAUDE.md, AGENTS.md (root)
  • The PLAN/SPEC for the current sprint

Read the full file on GitHub · 151 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 · 151 lines · 58 tokens per session scan A 61c74bcb3be1

Subscribe to this mod's changes

tasks is a skill published in the GitHub repository howar31/magi-workflow (2 stars, last pushed 3d ago), licensed MIT. It adds 58 tokens to every session and 1,467 once invoked, about $0.0003 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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