Write a feature spec or PRD from a problem statement or feature idea.

Custom licenceAuto-check passedProduct & Project Management

Install Pm Write Spec

skills CLI
$ npx skills add evolution-foundation/evo-nexus --skill pm-write-spec -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install evolution-foundation/evo-nexus pm-write-spec --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/evolution-foundation/evo-nexus.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/pm-write-spec .claude/skills/pm-write-spec && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
pm-write-spec
GitHub stars
544
Token cost
~3k tokens
SKILL.md length
1,723 words
Files
1
Skills in repo
117
Repo updated
First seen
Licence
Custom licence

At a glance

Write a feature spec or PRD from a problem statement or feature idea.

  • Works in 5 steps: Understand the Feature → Gather Context → Pull Context from Connected Tools → …
  • Turning a vague idea
  • SKILL.md covers Usage, Workflow, PRD Structure and User Story Writing, plus 4 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Pm Write Spec is an agent skill from evolution-foundation/evo-nexus. Write a feature spec or PRD from a problem statement or feature idea. Use when turning a vague idea or user request into a structured document, scoping a feature with goals and non-goals, defining success metrics and acceptance criteria, or breaking a big ask into a phased spec.

Its SKILL.md is about 3k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Product & Project Management, covering PRD writing, User stories and Product metrics. The repository describes itself as: The open source operating system for AI-powered businesses.

When your agent uses it

  • Turning a vague idea
  • User request into a structured document
  • Scoping a feature with goals and non-goals
  • Defining success metrics and acceptance criteria

Example prompts

  • “/pm-write-spec”

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. Understand the Feature
  2. Gather Context
  3. Pull Context from Connected Tools
  4. Generate the PRD
  5. Review and Iterate

What it can do on your machine

Read from SKILL.md and the folder at commit 7f5dd76. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Pm Write Spec loads about 3k tokens when it runs. Until then it costs about 73 tokens; SKILL.md has 1,723 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~73
When it runs · the whole SKILL.md, loaded when a task matches
~3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 1,723 words (~3,048 tokens).

“Write a feature specification or product requirements document (PRD).”

— opening of SKILL.md by evolution-foundation, Custom licence
name
pm-write-spec
argument-hint
<feature or problem statement>

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .claude/skills/pm-write-spec of evolution-foundation/evo-nexus.

Open the folder on GitHubat commit 7f5dd76

Compare with similar skills

Pm Write Spec next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Pm Write Spec compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Pm Write Spec this skillevolution-foundation/evo-nexus544—~3kAutomated safety check: PassCustom licence
Pm Specsanqiufong/slides-from-anything1321 repos~383Automated safety check: PassApache-2.0
Ralph Tui Create Beadssubsy/ralph-tui2.5k1 repos~2.6kAutomated safety check: PassMIT
Ralph Tui Create Beads Rustsubsy/ralph-tui2.5k1 repos~2.8kAutomated safety check: PassMIT
Ralph Tui Create JSONsubsy/ralph-tui2.5k1 repos~2.6kAutomated safety check: PassMIT
To Prdywwynm/EverythingDone14411 repos~777Automated safety check: PassGPL-3.0

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    sanqiufong/slides-from-anything

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    2.5k GitHub starsUsed in 1 repo~2.6k tokens
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  • To Prd

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    144 GitHub starsUsed in 11 repos~777 tokens
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Questions about Pm Write Spec

What does Pm Write Spec do?

Write a feature spec or PRD from a problem statement or feature idea. Pm Write Spec is an agent skill from evolution-foundation/evo-nexus. Write a feature spec or PRD from a problem statement or feature idea.

When should I use Pm Write Spec?

Pm Write Spec fits situations like: turning a vague idea; user request into a structured document; scoping a feature with goals and non-goals; defining success metrics and acceptance criteria.

How do I install Pm Write Spec in Claude Code?

Run `npx skills add evolution-foundation/evo-nexus --skill pm-write-spec -a claude-code`. Or copy the skill folder (.claude/skills/pm-write-spec in evolution-foundation/evo-nexus) into .claude/skills/pm-write-spec in your project. Claude Code loads it when a task matches its description.

How do I install Pm Write Spec in Codex?

Run `npx skills add evolution-foundation/evo-nexus --skill pm-write-spec -a codex`. Or copy the skill folder (.claude/skills/pm-write-spec in evolution-foundation/evo-nexus) into .agents/skills/pm-write-spec in your project. Codex loads it when a task matches its description.

Can I use Pm Write Spec in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add evolution-foundation/evo-nexus --skill pm-write-spec -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/pm-write-spec, .gemini/skills/pm-write-spec, .github/skills/pm-write-spec and .opencode/skills/pm-write-spec in your project.

What does Pm Write Spec need to run?

SKILL.md names no scripts, command-line tools or credentials: Pm Write Spec is instructions for the agent only.

Does Pm Write Spec access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Pm Write Spec safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Pm Write Spec use?

Pm Write Spec has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Pm Write Spec use?

About 3k tokens (SKILL.md is roughly 12k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Pm Write Spec?

Skills that share tags, products or a category with Pm Write Spec: Pm Spec (sanqiufong/slides-from-anything, 132 stars), Ralph Tui Create Beads (subsy/ralph-tui, 2.5k stars), Ralph Tui Create Beads Rust (subsy/ralph-tui, 2.5k stars) and Ralph Tui Create JSON (subsy/ralph-tui, 2.5k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Pm Write Spec?

evolution-foundation (a GitHub organization) maintains it in evolution-foundation/evo-nexus, which has 544 GitHub stars. The repository holds 117 skills in this directory. The repository was last updated on May 13, 2026.

Source: evolution-foundation/evo-nexus on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.