sp-planning

sp-planning is a skill for Claude Code, Codex from tta-lab/ttal-cli. It costs 23 tokens per session (561 once invoked), scanned A, original, MIT.

A planning workflow for turning an agreed software change into a concrete implementation plan before coding begins. It requires checking the existing code, tests, documentation, project rules, and earlier decisions.

In plain words
What is it for?
Use it before implementing a feature or behavior change when you need an ordered plan, exact file scope, tests, verification commands, and risk notes.
Why use it?
Plans based only on filenames or assumptions can miss existing interfaces, constraints, dependencies, and failure cases.

Skill for Claude CodeCodex

Part of the ttal plugin — 18 skills, 1 hook 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/tta-lab/ttal-cli/sp-planning
Any agent
npx skills add tta-lab/ttal-cli --skill sp-planning
Clone the repo
git clone --depth 1 https://github.com/tta-lab/ttal-cli

Made for: Claude Code, Codex.

Or install ttal, the plugin that ships this one along with the rest of its 18 skills, 1 hook.

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 sp-planning

README.md
[![agentmods](https://agentmods.dev/badge/skills/tta-lab/ttal-cli/sp-planning.svg)](https://agentmods.dev/skills/tta-lab/ttal-cli/sp-planning)
Your own site
<a href="https://agentmods.dev/skills/tta-lab/ttal-cli/sp-planning"><img src="https://agentmods.dev/badge/skills/tta-lab/ttal-cli/sp-planning.svg" alt="Measured on agentmods" height="20"></a>
Per session 23 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 561 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 $0.00023 $0.00561
Opus 5 $0.00012 $0.00280
Sonnet 5 $0.00005 $0.00112
Haiku 4.5 $0.00002 $0.00056

Measured 5d ago against content hash 34c42a87cce3, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

sp-planning 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/sp-planning/SKILL.md · 95 lines

How it starts

The opening of the file, as written. The whole thing — 95 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Implementation Planning

Write a plan that a skilled developer can execute without rediscovering the design. FlickNote is the single source of truth.

1. Explore Reality

Before planning:

  • Read the relevant code, tests, docs, and repository rules.
  • Search prior work with flicknote find <keywords>.
  • Map existing constraints, interfaces, dependencies, and failure modes.
  • Confirm the target repository.

Do not design from filenames or assumptions.

2. Confirm the Approach

Before writing the detailed plan, tell the user:

  • What exists now
  • The proposed approach and why
  • The main trade-off or risk

Stop for explicit alignment if the direction has not already been approved.

3. Define the Plan

Include:

  • Goal and anti-goals
  • Exit criteria expressed as observable behavior
  • Exact scope and files
  • Ordered implementation stages
  • Test strategy and exact verification commands
  • Risks, dependencies, and rollout concerns

For behavior changes and bug fixes, plan a TDD sequence:

  1. Add a focused test.
  2. Run it and confirm the expected failure.
  3. Implement the minimum change.
  4. Run focused and broader tests.
  5. Refactor only while green.

Mechanical deletions, generated files, and configuration-only work do not need invented tests; state the appropriate verification instead.

4. Keep Scope Executable

Split the plan into separate deliverable phases when:

  • Multiple repos can ship independently
  • A stage has a separate rollback boundary
  • The plan is too large to review or verify as one change

Record dependencies between phases in the plan. Do not create tasks automatically.

5. Persist to FlickNote

Create or update one note in the orientation project:

flicknote add --project orientation flicknote detail --tree flicknote modify

Use this structure:

Plan:

Goal

Anti-goals

Current state

Approach

Implementation stages

Test strategy

Exit criteria

Risks and dependencies

Each stage must name the files, behavior change, tests, verification, and commit boundary when useful.

Read the full file on GitHub · 95 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. 5d ago First seen · 95 lines · 23 tokens per session scan A 34c42a87cce3

Subscribe to this mod's changes

sp-planning is a skill published in the GitHub repository tta-lab/ttal-cli (23 stars, last pushed 1mo ago), licensed MIT. It adds 23 tokens to every session and 561 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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