Open source alternatives to spec-driven-development
24 open source AI Skills apps to use instead, best rated first.
Top picks
- G
github-ops
Launchgithub-ops is an agent skill from the ECC collection by affaan-m, listed on skills.sh. It manages a GitHub repository with a focus on community health, CI reliability and the experience of contributors. It covers triaging issues by classify
Open source
- O
opensource-pipeline
Launchopensource-pipeline is an agent skill from the ECC collection by affaan-m, listed on skills.sh. It prepares a private project for safe public release through a three-stage pipeline. The fork stage strips secrets from a copy. The sanitise st
Open source
- A
andrej-karpathy-skills
Launchandrej-karpathy-skills is a single CLAUDE.md file from the multica-ai project that is meant to improve how Claude Code behaves on coding tasks. It is derived from Andrej Karpathy's public observations about LLM coding pitfalls. The file dis
Open source
- M
microsoft/markitdown
Launchmarkitdown-mcp is the MCP server package for MarkItDown, Microsoft's tool for converting many file formats to Markdown for language models. It is a lightweight server that runs over stdio, Streamable HTTP or SSE, and exposes one tool, conve
Open source
- O
od-contribute
Launchod-contribute is an agent skill in the OpenDesign project that provides a guided, one-click contribution flow to the OpenDesign repository, written so that people without a coding background can send a real pull request. It is locked to the
Open source
- G
github-deep-research
Launchgithub-deep-research is an agent skill from the DeerFlow project that researches a single GitHub repository in several rounds and writes a report in Markdown. It is for requests that need more than a README summary, such as a comprehensive
Open source
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Learn Claude Code
by shareAI-lab - A really interesting analysis of how coding agents like Claude
About spec-driven-development
spec-driven-development
Creates specs before coding
spec-driven-development is an agent skill from Addy Osmani's agent-skills collection that asks for a structured specification before any code is written. The spec is the shared source of truth between the agent and the engineer. It defines what is being built, why, and how the team will know it is done. The skill's position is that code without a spec is guessing. It runs as a gated workflow with four phases, preceded by a scope check, Phase 0, which applies only when one request bundles several independently testable capabilities. The agent must not advance to the next phase until the current one has been validated. The skill applies when starting a new project or feature, when requirements are ambiguous or incomplete, when a change touches several files or modules, when an architectural decision is about to be made, and when a task would take more than thirty minutes to implement. It says not to use it for single-line fixes, typo corrections, or changes whose requirements are unambiguous and self-contained. The skill is listed on skills.sh, with its security audit results shown there. It suits teams that want written requirements agreed before an agent starts building.
- Price
- Free
- Made by
- addyosmani
- Category
- AI Skills
- Website
- github.com/addyosmani/agent-skills/spec-driven-development