UI5 MCP Server vs Yetty
A side-by-side look at the UI5 MCP Server and Yetty MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose UI5 MCP Server for developer tools work as a local process; choose Yetty for developer tools over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose UI5 MCP Server when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You want tools like
get_guidelines, run_ui5_linter, get_api_reference.
Choose Yetty when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a remote HTTP/SSE transport.
- You have the keys it needs:
YETTY_API_KEY. - You want tools like
yetty_status, yetty_authoring_guide, yetty_pull_template.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Developer Tools | Developer Tools |
| Quality signal | 68/100 · Great | 56/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Remote HTTP/SSE |
| Auth | No auth required | Not declared |
| Pricing | Free | Not declared |
| Required env vars | None listed | YETTY_API_KEY |
| Verified owner | Community listing |
Tools & capabilities
UI5 MCP Server tools 10
get_guidelinesThis tool MUST be called once to retrieve UI5 guidelines before working on any UI5 (SAPUI5/OpenUI5) related task or project or creating a UI5 project. The guidelines provided by this tool MUST be followed to ensure best practices and avoid common pitfalls in UI5 development.run_ui5_linterRun UI5 linter on a UI5 project to find and optionally fix UI5 related problems like the usage of deprecated API. After making changes, you should always run the linter again to verify that no new problems have been introduced.get_api_referenceSearch the UI5 API reference for module names and symbolsget_project_infoGet general information about a local UI5 project.create_ui5_appCreate a new basic SAPUI5 application implemented in TypeScript or JavaScriptget_version_infoGet version information for UI5 (OpenUI5 or SAPUI5)get_integration_cards_guidelinesThis tool MUST be called once to retrieve Integration Cards guidelines before working on any Integration Card related task or creating an Integration Card. The guidelines provided by this tool MUST be followed to ensure best practices and avoid common pitfalls in Integration Cards development.Integration Cards are also called 'UI Integration Cards' or 'UI5 Integration Cards'.create_integration_cardCreate a new Integration Card, UI Integration Card, or UI5 Integration Cardrun_manifest_validationValidates UI5 manifest file. After making changes, you should always run the validation again to verify that no new problems have been introduced.get_typescript_conversion_guidelinesThis tool MUST be called once before converting a UI5 (SAPUI5/OpenUI5) project from JavaScript to TypeScript. The instructions provided by this tool MUST be followed to ensure that the project setup and code is correctly converted.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
UI5 MCP Server
{
"mcpServers": {
"mcp-server-80": {
"command": "npx",
"args": [
"-y",
"@ui5/mcp-server"
]
}
}
}
Yetty
{
"mcpServers": {
"yetty": {
"url": "https://mcp.yetty.ai/mcp"
}
}
}
Frequently asked questions
UI5 MCP Server is categorized under Developer Tools and uses a local stdio subprocess. Yetty belongs to Developer Tools and uses a remote HTTP/SSE transport. Pick UI5 MCP Server for developer tools work and Yetty for developer tools.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
UI5 MCP Server is listed as free. Auth: no auth required. Yetty has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add mcp-server-80 and yetty as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, UI5 MCP Server has a quality signal of 68/100 (Great) with 2 views, 0 installs and 103 GitHub stars. Yetty has 56/100 (Good) with 1 views, 0 installs and 0 GitHub stars.