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Community Showcase

A community-owned awesome list of projects and resources built with and for OpenSpec. Tools, integrations, workflows, and learning resources are welcome. Community members grow this showcase by opening issues; maintainers add the entries.

Listed projects are maintained independently. Inclusion does not imply official support or endorsement by OpenSpec. See each project’s documentation and issue tracker for setup and support.

  • OpenSpec Workbench: Running and supervising agents on OpenSpec changes.
  • openspec-guard: CLI and GitHub Action that reports which OpenSpec scenarios are covered by a Vitest or Jest test, without running the tests.

Hosted products that add an OpenSpec capability the CLI does not provide. Each entry states its account, payment, and data-handling terms.

  • MySpec: Cloud beta (account required; free tier, no credit card) that conducts guided spec interviews and exports four-file bundles or OpenSpec-compatible changes. Its MCP server (@myspec/mcp-server) and Claude Code plugins let coding agents read those specs, write OpenSpec changes, and implement them task by task. The service sends submitted content to third-party AI providers and is not designed for sensitive data.
  • Entalpa: Imports a public GitHub repository’s openspec/specs/ (up to 300 requirements) into a browsable project, adds stakeholders, stories and open questions labeled as inferred, and exports the result as an openspec/specs/ tree; it never writes to the repository. Importing and reading need no account; saving or editing needs one, and AI features use paid credits. Imported content is sent to third-party AI providers.
  • OpenSpec Review and OpenSpec Compact: Hosted skills from SkillGild for Claude Code, Codex, Cursor, Gemini CLI or any MCP client. Review publishes a change as a link where anyone holding it can approve, request changes or comment per requirement without an account, shows the main spec as openspec archive would write it, and flags requirements that other open changes also touch. Compact finds lexically similar requirements and repeated scenarios across main specs and writes the cleanup as an OpenSpec change. Requires the SkillGild CLI and a free account (25 runs a month per skill). Both send spec content to SkillGild’s servers, which run closed-source code and make no AI model call; Review also sends the proposal, design and tasks, and keeps the change for 30 days.

Open an issue with the one line you would like added: your project’s name, a direct link, and a short description of how it relates to OpenSpec. A maintainer adds it to this file.

  • Keep entries focused on something built with OpenSpec or supporting its use, rather than general product advertising.
  • Describe what people can use. Avoid promotional claims, referral links, and tracking links.
  • Disclose paid features or required accounts in the entry, if any.
  • Hosted or paid services are listed under Hosted services only when they add an OpenSpec capability the CLI does not already provide and have a free way to try them. A service that repackages OpenSpec’s own skills or commands is not listed.

Corrections and updates to existing entries are welcome too.

HagiCode

HagiCode is an agentic coding workspace. Rich, convenient UI interactions make planning, agent execution, and project work approachable and easy to navigate, creating an engaging development experience.

Explore an engaging development experience through rich, convenient UI interactions.

Visit HagiCodeRead the documentation
  • SmartOpenSpec workflows turn intent into an executable path, from proposal to design, tasks, and a shipped change.
  • EfficientMulti-agent execution keeps research, implementation, and review moving in parallel, across several repositories and the Agent CLIs you already use.
  • InterestingRich, convenient UI interactions make planning, agent execution, and project work approachable and easy to navigate.

Download for Windows

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Turn ideas into shipped software.

HagiCode is an agentic coding workspace. OpenSpec workflows plan the change, multi-agent execution carries it out, and Hero Scenario makes the long run visible, so ideas become shipped software.

Smart
OpenSpec workflows turn intent into a path from proposal to shipped change.
Efficient
Multi-agent execution runs research, build, and review in parallel.
Fun
Rich UI interactions make planning, agent work, and projects easier to follow.