Claude Code mod
spec-flow
Ships a feature only when a test that actually ran proves every requirement in its spec. Free-text requirement -> spec (you sign it off) -> plan -> review -> implement per milestone, gated by a lint/test/spec-trace loop that runs outside the model. For Node projects; your repo declares its test and lint commands in .spec-flow/config.json, which `spec-flow init` writes.
Install
/plugin marketplace add IgnacioMarin402/spec-flow-plugin
/plugin install spec-flow@spec-flow-marketplaceMods install like plugins. Run /reload-plugins or start a new session to load it.
What it can access
- Reach
- L2Writes or runs: runs processes, writes the clipboard, reads files, reads mod state, draws
- Sees
- subagent spawns, every tool call
- Draws in
Pane- Hooks
session.startcommand.runagent.spawntool.callturn.stepturn.completeui.render
From a static scan of the mod's code by awesome-claude-code-mods. It shows what the code asks for, not a security review.
How Claude Code mods work
- A mod is a plugin with a JavaScript or TypeScript module that runs inside Claude Code (version 2.1.287 or later). It can draw panes beside the transcript, a band above the prompt, buttons and toasts, restyle the spinner and tool rows, and watch or rewrite tool calls and prompts.
- It installs like any plugin: add its marketplace with /plugin marketplace add owner/repo, then /plugin install name@marketplace.
- Check what a mod can reach before installing: it runs with your permissions. Reach goes from drawing only, to reading files, to writing files or running processes, to the network. Run claude plugin validate on a clone to list its hooks and calls without running it.
- Turn one off from the Installed tab in /plugin, or start Claude Code with --safe-mode to skip every customization for a session.
Details
- Repository
- IgnacioMarin402/spec-flow-plugin
- Folder
.- Marketplace
spec-flow-marketplace- Author
- Ignacio Marín
- License
- MIT
- Last updated
- 1 November 2026
- Listed in
- awesome-claude-code-mods
FAQ
What is spec-flow?
Ships a feature only when a test that actually ran proves every requirement in its spec. Free-text requirement -> spec (you sign it off) -> plan -> review -> implement per milestone, gated by a lint/test/spec-trace loop that runs outside the model. For Node projects; your repo declares its test and lint commands in .spec-flow/config.json, which `spec-flow init` writes. It is a mod for Claude Code, from IgnacioMarin402/spec-flow-plugin on GitHub.
What can the spec-flow mod access?
Its widest reach is "writes or runs" (runs processes, writes the clipboard, reads files, reads mod state, draws). It sees subagent spawns, every tool call. It draws in Pane. Like any mod, it runs with your permissions.
How do I install spec-flow?
Inside Claude Code (v2.1.287 or later), run /plugin marketplace add IgnacioMarin402/spec-flow-plugin and then /plugin install spec-flow@spec-flow-marketplace.
Is spec-flow popular?
IgnacioMarin402/spec-flow-plugin has 2 GitHub stars and 0 forks, and is included in 1 curated Claude Code list. It was last updated on 1 November 2026.
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