What is spec-writer?
spec-writer is a Claude skill by dannwaneri that turns vague requests into spec, plan, and tasks. It is listed under Engineering practice and has 29 GitHub stars.
| Type | Claude skill |
|---|---|
| Author | dannwaneri |
| Repository | dannwaneri/spec-writer |
| Popularity | 29 GitHub stars |
| Category | Engineering practice |
| Security | Low risk (96/100) |
| Rank | #999 of 1,262 Claude skills; #179 in Engineering practice |
| SKILL.md length | 213 lines |
| Last commit | 2026-03-18 |
Is spec-writer safe to install?
spec-writer scores 96/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 8 of 9 checks.
Skill results come from a static scan of its SKILL.md for instruction overrides, hidden actions, risky commands and credential access.
| Check | Result |
|---|---|
| No instruction-override phrases | Pass |
| No hidden actions | Pass |
| No pipe-to-shell installers | Pass |
| No obfuscated code | Pass |
| No destructive commands | Pass |
| Reads keys or credentials | Note |
| No network requests | Pass |
| No shell commands | Pass |
| Installs no packages | Pass |
What the scan matched
- credentials:
credentials
How do I install spec-writer?
- Install with the skills CLI. Works for Claude Code and other agents that read skills.
npx skills add https://github.com/dannwaneri/spec-writer --skill spec-writer
- Or copy it by hand. Claude Code loads any folder with a SKILL.md from ~/.claude/skills.
git clone https://github.com/dannwaneri/spec-writer cp -r spec-writer/spec-writer ~/.claude/skills/spec-writer
- Use it. Claude loads the skill when a task matches its description. You can also name it in your prompt.
Use the spec-writer skill to …
Or ask Claude to set it up
Paste this into Claude Code and it installs spec-writer for you:
Install the "spec-writer" skill from https://github.com/dannwaneri/spec-writer into ~/.claude/skills, then tell me in one line what it does.