next

next is a skill for Claude Code from huangyun111/planflow. It costs 48 tokens per session (460 once invoked), scanned A, original, MIT.

A skill for carrying out the next unfinished task in PLAN.md during a focused coding session. It reads the task's listed files, implements the task, verifies the result, and records the outcome.

In plain words
What is it for?
Use it when a project has PLAN.md and you want to complete its first unchecked task with recorded verification.
Why use it?
It limits each session to one clearly defined task and prevents the plan from claiming progress that was not checked. Failed verification leaves the task unfinished with a blocker note.

Skill for Claude Code

Written for Claude Code: disable-model-invocation in frontmatter. Also seen: mentions CLAUDE.md.

Part of the planflow plugin — 4 skills 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/huangyun111/planflow/next
Any agent
npx skills add huangyun111/planflow --skill next
Clone the repo
git clone --depth 1 https://github.com/huangyun111/planflow

Made for: Claude Code.

Or install planflow, the plugin that ships this one along with the rest of its 4 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for next

README.md
[![agentmods](https://agentmods.dev/badge/skills/huangyun111/planflow/next.svg)](https://agentmods.dev/skills/huangyun111/planflow/next)
Your own site
<a href="https://agentmods.dev/skills/huangyun111/planflow/next"><img src="https://agentmods.dev/badge/skills/huangyun111/planflow/next.svg" alt="Measured on agentmods" height="20"></a>
Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 460 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 5.1 $0.00048 $0.00460
Opus 5 $0.00024 $0.00230
Sonnet 5 $0.00010 $0.00092
Haiku 4.5 $0.00005 $0.00046

Measured 5d ago against content hash 784d45653c34, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

next 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 5d 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/next/SKILL.md · 33 lines

What it actually says

Execute the next unfinished task from ./PLAN.md. One task, then stop.

  1. Read PLAN.md, find the first unchecked [ ] task.
  2. Read ONLY the files listed under that task's "Files" (plus what they directly need). Do not load the whole repo.
  3. Implement just that task — nothing borrowed from later tasks.
  4. Verify against "Done when…" with real evidence. Actually run the relevant test / command / check and look at the output — do not assume it passed.
    • If it does NOT pass: leave the box UNCHECKED, append a one-line blocker note under the task, and stop. Never tick a box you could not verify.
  5. Only if verification passed, update PLAN.md: tick the box and append a one-line result note, e.g. - [x] T1 — … ✔ <what was done>.
  6. If a durable decision/convention emerged, add it to the project's CLAUDE.md. Durable = a rule still true many sessions from now. Do NOT put transient state, one-off values, paths, or results in CLAUDE.md (those go in the task note, HANDOFF.md, or an append-only WORKLOG.md).
  7. Print a closure summary before stopping:
    • Changed files — if this is a git repo, run git diff --stat; otherwise list them.
    • The exact command(s) you ran to verify, and their result.
    • A one-line suggested commit message. (Do NOT commit unless asked.)
  8. STOP. Summarize in 2-3 lines and tell the user to open a fresh session and run this skill again for the next task. Do NOT continue to the next task in this conversation.

If context grows long before finishing, write HANDOFF.md and stop.

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. 5d ago First seen · 33 lines · 48 tokens per session scan A 784d45653c34

Subscribe to this mod's changes

next is a skill published in the GitHub repository huangyun111/planflow (2 stars, last pushed 2mo ago), licensed MIT. It adds 48 tokens to every session and 460 once invoked, about $0.0002 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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