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Compare scores, permissions, risks, and fit in one decision-focused table.

DimensionStorybook MCP AddonMCP addon that runs inside your Storybook dev server so AI agents can write and test UI component stories.GitHub MCP ServerGitHub's official MCP server for managing repos, issues, PRs, and workflows via natural language
FMRS55 / 100 · C76 / 100 · B
Reliability8 / 2013 / 20
Security and permissions12 / 2014 / 20
Maintenance13 / 2018 / 20
Documentation11 / 2017 / 20
Setup experience11 / 2014 / 20
Best for
  • Frontend teams already using Storybook who want AI agents to help draft or test component stories
  • Developers using Claude Code or Codex who want ready-made Storybook integration
  • Teams that want an AI assistant to directly operate on GitHub repos and collaboration workflows
  • Users already in the GitHub Copilot ecosystem who want a zero-deployment remote option
Not for
  • Projects that don't use Storybook
  • Teams needing a hosted/remote MCP server rather than one tied to a local dev server
  • Scenarios where you don't want the assistant to have write access to repos (enable only read-only toolsets)
  • Environments with strict network isolation for private repos that can't reach the official remote endpoint
Required permissions
  • Runs a local HTTP server bound to the Storybook dev server's port (default 6006)
  • Reads component files and existing stories in your project
  • A personal access token (PAT) or OAuth App token; effective scope depends on the token's own permissions
  • Enabling toolsets like actions/issues/pull_requests grants write access — request tokens on a least-privilege basis
Risks and side effects
  • The README explicitly states the project is experimental; APIs and architecture may change without notice
  • No authentication is described for the local HTTP endpoint in the source material, so exposing the dev server port beyond localhost could let other local processes reach it
  • Write toolsets (creating/merging PRs, triggering workflows) can cause accidental changes if the token is overscoped — try a read-only toolset first
  • In hosted mode, credentials travel via the Authorization header — make sure the client-to-api.githubcopilot.com connection is trusted
Supported clientsClaude Code, Codex, VS CodeClaude Desktop, Claude Code, VS Code, Cursor, Windsurf, JetBrains IDEs, Zed, Amp
Tools215