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Protocol Launcher

Community
Type-safe one-click links for protocol-based apps
GitHub source repository ↗
★ 126 Stars Category · Dev Tools Very popular
33FMRS · D
Reliability
3/20
Security and permissions
8/20
Maintenance
8/20
Documentation
10/20
Setup experience
4/20

Based on the repository description and README, Protocol Launcher is an MIT-licensed, ESM-first TypeScript link-generation library focused on one-click protocol app launches, MCP installation links, and configuration imports. The supplied material provides no evidence of callable MCP tools, transport methods, client compatibility, or a server manifest.

Read the FMRS scoring method →

Protocol Launcher is a TypeScript library for generating type-safe deep links and URL scheme links for desktop, mobile, productivity, AI, and developer tools. It can open apps, jump to files or projects, install MCP servers, import provider settings, and encode query strings and Base64 payloads. The repository itself is not documented as an MCP server with a tool list or transport configuration.

Tools

The tool list has not been reviewed yet.

Setup

Install protocol-launcher with pnpm, npm, Yarn, or Bun. Use subpath imports such as protocol-launcher/cursor, protocol-launcher/cherry-studio, and protocol-launcher/vscode for on-demand integrations, or import protocol namespaces from the root entry. See the project documentation for complete API examples.

Fit and risk

Best for

  • TypeScript developers embedding one-click launch links in websites, documentation, or automation flows
  • Modern Node.js or bundler projects that benefit from on-demand imports and tree-shaking
  • Teams wrapping supported protocol links with type-safe APIs

Not for

  • Users looking for an MCP server whose tools can be connected and called directly
  • Deployments requiring a standalone MCP server, remote transport, or server-side authentication
  • Environments where the target application does not support the relevant protocol or URL scheme

Required permissions

  • The library itself has no explicitly documented system permissions
  • Generated links may ask a target app to open files, projects, settings, or imported configuration; actual permissions depend on the target app and operating system

Risks and side effects

  • Generated links may contain API keys, commands, parameters, or other sensitive configuration; inspect URLs before sharing
  • Opening a link may launch a local app, import settings, or install MCP configuration; use trusted sources and targets
  • The README does not document the complete security boundaries, permission model, or compatibility matrix for each integration

Troubleshooting

  1. Confirm that the package was installed with the intended package manager and that the import subpath is correct
  2. Confirm that the target app is installed and supports the relevant protocol or URL scheme
  3. Inspect query parameters and Base64 payload encoding, especially for Unicode content
  4. Consult the project documentation for the complete app list and exact API examples
  5. If a link does not open, check whether the operating system allows the browser to launch the target app

Use cases

Generate Cursor MCP installation links
Import provider settings into Cherry Studio
Open VS Code files, projects, or settings
Generate URL scheme links for AI, editor, productivity, and system utility apps

Supported clients

Supported clients have not been confirmed yet.

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