sprint

A guided development cycle for handling one task from a project backlog, the list of unfinished work. It reviews the plan, claims the task, prepares an implementation plan, and leaves the actual coding under human control.

In plain words
What is it for?
Use it when working on a specific GitHub issue, reviewing the affected skill before editing it, and finishing with a commit.
Why use it?
It gives one issue a clear path from selection to completion while keeping the implementation step supervised.

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/abilityai/abilities/sprint
Any agent
npx skills add Abilityai/abilities --skill sprint
Clone the repo
git clone --depth 1 https://github.com/Abilityai/abilities

Made for: Claude Code, Codex.

Per session 25 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 722 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 $0.00025 $0.00722
Opus 5 $0.00013 $0.00361
Sonnet 5 $0.00005 $0.00144
Haiku 4.5 $0.00003 $0.00072

Measured 2d ago against content hash 67d6832d8d7f, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

sprint 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/agent-dev/skills/sprint/SKILL.md · 98 lines

How it starts

The opening of the file, as written. The whole thing — 98 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Sprint

ℹ️ First, set expectations: before anything else, print one short line with this skill's version and its most recent change — the top entry of metadata.changelog above — e.g. sprint vX.Y — recent: <summary>. Then proceed.

Walks through one complete agent development cycle for a single issue. The implement step is intentionally human-driven — this skill frames and bookends it. The autonomous equivalent is /work-loop.

When to Use

  • You want to work on a specific backlog issue with full context at each step
  • You want autoplan analysis before touching any skill files
  • You're onboarding to the agent and want a guided workflow

Process

Step 1: Roadmap Check

Invoke /roadmap to show the skill-grouped backlog. This surfaces which skills have the most open work and helps choose a focus area.

If $ARGUMENTS is provided (a specific issue number), skip roadmap and go directly to Step 2 with that issue.

Step 2: Claim

Invoke /claim (or /claim $ARGUMENTS if an issue number was provided).

If already in-progress from a previous session, continue with that issue and skip to Step 3.

Step 3: Autoplan

Invoke /autoplan on the claimed issue.

The plan will identify:

  • Which SKILL.md is affected
  • Which section to change
  • The right tool to use (adjust-playbook vs create-playbook)
  • Any risks

Wait for the plan output before proceeding.

Step 4: Implement (Human Step)

Print clearly:

## Ready to Implement

Based on the autoplan, run one of:

  /adjust-playbook $SKILL_NAME  — to modify an existing skill
  /create-playbook              — to scaffold a new skill

Make your changes, then return here and confirm to commit.

Ask the user: "Type 'done' when the implementation is complete, or 'abort' to stop without committing."

If 'abort': do nothing. Leave the issue in-progress for the next session.

Step 5: Commit

Invoke /commit to stage the changed skill files, write the commit message, and close the issue.

Step 6: Finish

Read the full file on GitHub · 98 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 · 98 lines · 25 tokens per session scan A 67d6832d8d7f

Subscribe to this mod's changes

sprint is a skill published in the GitHub repository Abilityai/abilities (11 stars, last pushed 14d ago), licensed MIT. It adds 25 tokens to every session and 722 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.