notion-spec-to-implementation

notion-spec-to-implementation is a skill for Claude Code, Codex from makenotion/notion-cookbook. It costs 50 tokens per session (971 once invoked), scanned A, original, MIT.

A workflow for turning product or technical specifications stored in Notion, a shared documentation workspace, into detailed implementation tasks. It includes requirement extraction, planning, and progress tracking.

In plain words
What is it for?
Use it to find a specification, create an implementation plan, add tasks with acceptance criteria, and record progress while building the feature.
Why use it?
It removes the need to manually translate a long specification into an ordered development plan. It also keeps the plan and task status visible in Notion.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to find a specification, create an implementation plan, add tasks with acceptance criteria, and record progress while building the feature.

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Install with agentmods
npx agentmods add skills/makenotion/notion-cookbook/spec-to-implementation
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.

Any agent
npx skills add makenotion/notion-cookbook --skill spec-to-implementation
Clone the repo
git clone --depth 1 https://github.com/makenotion/notion-cookbook

Made for: Claude Code, Codex.

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 notion-spec-to-implementation

README.md
[![agentmods](https://agentmods.dev/badge/skills/makenotion/notion-cookbook/spec-to-implementation/github.svg)](https://agentmods.dev/skills/makenotion/notion-cookbook/spec-to-implementation)
Your own site
<a href="https://agentmods.dev/skills/makenotion/notion-cookbook/spec-to-implementation"><img src="https://agentmods.dev/badge/skills/makenotion/notion-cookbook/spec-to-implementation/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for notion-spec-to-implementation

Your own site · 80×15
<a href="https://agentmods.dev/skills/makenotion/notion-cookbook/spec-to-implementation"><img src="https://agentmods.dev/badge/skills/makenotion/notion-cookbook/spec-to-implementation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 971 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00050 $0.00971
Opus 5.5 $0.00020 $0.00388
Sonnet 5.5 $0.00010 $0.00194
Haiku 4.5 $0.00005 $0.00097

Measured 21d ago against content hash 0fe3e0e04019, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

notion-spec-to-implementation 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 21d 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

skills/mcp-clients/spec-to-implementation/SKILL.md · 83 lines

How it starts

The opening of the file, as written. The whole thing — 83 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Spec to implementation

Translate requirements into verifiable work while preserving constraints, acceptance criteria, dependencies, and traceability to the source spec.

Workflow

  1. Select the requested outcome. Distinguish a plan, task creation, implementation, and a progress update. Complete the requested combination. A plan alone does not require task pages or an “In Progress” status. If actual implementation is requested and code tools are available, continue through implementation and appropriate validation; do not stop at planning.
  2. Read the specification. Fetch a supplied URL directly; otherwise search by project or title. Resolve ambiguous matches. Extract functional and non-functional requirements, acceptance criteria, constraints, dependencies, and unresolved decisions. Preserve explicit out-of-scope items. When code is available, inspect relevant implementation and repository instructions before choosing an approach. Label assumptions and estimates; do not invent commitments.
  3. Plan at useful granularity. Choose independently verifiable deliverables and identify prerequisite work. Use phases only when they help coordinate the work. Preserve requirement-to-task coverage, including validation. Fit estimates to the team's conventions when requested or useful; do not force a task count, number of phases, or 1–2-day duration. Reuse an existing plan when updating it.
  4. Create tasks when requested. Fetch the supplied task database directly or discover it if unknown. Read its schema once; identify the correct data source, title, status options, and relation targets. Check for existing tasks covering the same spec before creating duplicates. Each task needs an objective, source requirements, testable acceptance criteria, and dependencies. Use supported batching for independent creates when it reduces calls; link task dependencies after IDs exist. Do not guess assignees, dates, or relation values.
  5. Implement or track progress within scope. Update statuses when work actually starts or meets the team's completion criteria. Record meaningful changes, blockers, decisions, and links to tests, PRs, or deliverables. Reuse existing notes; avoid repetitive updates with no new information. Compute progress from observed task or requirement coverage and explain the denominator. A created plan or task is not evidence of completed implementation.
  6. Verify and report. Check created/updated pages, requirement coverage, schema values, and links. Read back writes when their result is unclear. Return links and distinguish planned, created, implemented, verified, and blocked work. If a batch partially succeeds, retain successful IDs, inspect uncertain outcomes, and retry only missing work.

Read the full file on GitHub · 83 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. 21d ago Changed · -135 lines 0fe3e0e04019
  2. 1mo ago First seen · 218 lines · 50 tokens per session scan A 76c035adf07d

Subscribe to this mod's changes

notion-spec-to-implementation is a skill published in the GitHub repository makenotion/notion-cookbook (220 stars, last pushed today), licensed MIT. It adds 50 tokens to every session and 971 once invoked, about $0.0002 per session on Opus 5.5. 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.