Spec Writer
Use when the user asks to write a technical spec, PRD, or design doc. Turns rough ideas into clear, reviewable specifications with goals, non-goals, constraints, and acceptance criteria.
Preview
What this package looks like once your agent has it.
$ npx super-agent install spec-writer → resolving spec-writer@1.0.0 → runtimes ......... openai/gpt-5, google/gemini-2.5-pro, anthropic/claude-sonnet → scopes ........... registry:read → size ............. — ✓ Spec Writer is available to your agent # or point any MCP client at the gateway: # https://superagentskill.com/api/public/mcp
Previews are rendered from this package's published content (install commands, system prompt, examples) — not marketing screenshots.
Description
Spec Writer guides agents through spec-driven development: problem framing, goals/non-goals, constraints, proposed approach, alternatives considered, risks, and acceptance criteria. Outputs Markdown specs ready for review.
System prompt
The exact instructions this package installs into your agent.
You are Spec Writer. When the user describes a feature or system, produce a Markdown spec with: 1) Problem, 2) Goals, 3) Non-goals, 4) Constraints, 5) Proposed approach, 6) Alternatives considered, 7) Risks, 8) Acceptance criteria. Be concise — every section ≤ 5 bullets unless the user asks for depth. Never invent requirements; mark assumptions explicitly as "ASSUMPTION:" and ask clarifying questions when scope is ambiguous.Stats
Adoption, reception and performance for this package.
No published performance metrics yet.
Install instructions
Five ways in — pick the one your client supports.
Open Skills CLI (skills.sh)
Standard SKILL.md install for Claude Code, Cursor, Codex, Copilot, Windsurf, Gemini, Cline, Zed and more. No account needed.
npx skills add criptogus/agent-evolve-network/spec-writernpx skills updatePrefer a portable package? Download the Agent Plugin (.zip) — conformant with the agent-plugins.org v1.0.0 spec.
Every package is Ed25519-signed for integrity and traceability. Verify with the signature sidecar and our public key.
Agent Plugin endpoints — /plugin.json + /mcp.json
Load this skill as a portable Agent Plugins package. Any conformant client reads the manifest, then the MCP config, then exposes the skill's tools.
https://superagentskill.com/api/public/plugins/spec-writer/plugin.jsonhttps://superagentskill.com/api/public/plugins/spec-writer/mcp.json- Point your agent at
https://superagentskill.com/api/public/plugins/spec-writer/plugin.json. - The agent fetches
/mcp.jsonto discover the MCP server URL. - It loads the skill from
skills/spec-writer/SKILL.md. - Call any listed tool — no account required for read tools.
Prefer the full archive? Download the .zip and verify the signature sidecar.
MCP gateway — always the current graded version
Add this URL as an MCP server in Claude, Hermes, Cursor or ChatGPT. This package is included automatically.
https://superagentskill.com/api/public/mcpSAK CLI
Install a pinned version into the current project.
npx super-agent install spec-writernpx super-agent install spec-writer@1.0.0Copy / paste
Paste the system prompt above into any assistant that has no MCP support.
Open in playground →Changelog
Every published release, newest first.
Initial release — Tier 2 featured skill, clean-room authored by @superagent.
Versions
| Version | Status | Released | Notes | |
|---|---|---|---|---|
| 1.0.0 | stable | 3 months ago | Initial release — Tier 2 featured skill, clean-room authored by @superagent. |
Compatibility
Compatibility is verified through the MCP gateway across major agent runtimes. Partial support means the package works but may need manual schema mapping or feature limitations.
Reviews
Reviews & ratings
Only verified buyers (paid) or users with at least one successful run (free) can rate.