Zephyr Scale on self-hosted Jira Server/DC: test cases, cycles, executions, plans and attachments
To add zephyr-scale-mcp to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 12 environment variables, listed below.
Install
npx -y zephyr-scale-mcp@1.0.0Environment variables
JIRA_BASE_URLSet in your MCP configJIRA_PATSet in your MCP configJIRA_AUTHSet in your MCP configJIRA_USERNAMESet in your MCP configJIRA_PASSWORDSet in your MCP configZEPHYR_DEFAULT_PROJECT_KEYSet in your MCP configZEPHYR_ALLOW_INTERNAL_APISet in your MCP configZEPHYR_READONLYSet in your MCP configJIRA_TLS_REJECT_UNAUTHORIZEDSet in your MCP configJIRA_TIMEOUT_MSSet in your MCP configJIRA_MAX_RETRIESSet in your MCP configZEPHYR_LOG_LEVELSet in your MCP configInstall with your client
claude mcp add zephyr-scale --env JIRA_BASE_URL=<YOUR_JIRA_BASE_URL> --env JIRA_PAT=<YOUR_JIRA_PAT> --env JIRA_AUTH=<YOUR_JIRA_AUTH> --env JIRA_USERNAME=<YOUR_JIRA_USERNAME> --env JIRA_PASSWORD=<YOUR_JIRA_PASSWORD> --env ZEPHYR_DEFAULT_PROJECT_KEY=<YOUR_ZEPHYR_DEFAULT_PROJECT_KEY> --env ZEPHYR_ALLOW_INTERNAL_API=<YOUR_ZEPHYR_ALLOW_INTERNAL_API> --env ZEPHYR_READONLY=<YOUR_ZEPHYR_READONLY> --env JIRA_TLS_REJECT_UNAUTHORIZED=<YOUR_JIRA_TLS_REJECT_UNAUTHORIZED> --env JIRA_TIMEOUT_MS=<YOUR_JIRA_TIMEOUT_MS> --env JIRA_MAX_RETRIES=<YOUR_JIRA_MAX_RETRIES> --env ZEPHYR_LOG_LEVEL=<YOUR_ZEPHYR_LOG_LEVEL> -- npx -y zephyr-scale-mcp@1.0.0
Run this in a terminal to add the server to Claude Code.
What this does
zephyr-scale-mcp exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
JIRA_BASE_URL JIRA_PAT JIRA_AUTH JIRA_USERNAME JIRA_PASSWORD ZEPHYR_DEFAULT_PROJECT_KEY ZEPHYR_ALLOW_INTERNAL_API ZEPHYR_READONLY JIRA_TLS_REJECT_UNAUTHORIZED JIRA_TIMEOUT_MS JIRA_MAX_RETRIES ZEPHYR_LOG_LEVEL
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install zephyr-scale-mcp?
Run the Claude Code command in the install section to add zephyr-scale-mcp to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with zephyr-scale-mcp?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to zephyr-scale-mcp as well.
Does zephyr-scale-mcp need an API key?
Yes. Before it can run, set these environment variables: JIRA_BASE_URL, JIRA_PAT, JIRA_AUTH, JIRA_USERNAME, JIRA_PASSWORD, ZEPHYR_DEFAULT_PROJECT_KEY, ZEPHYR_ALLOW_INTERNAL_API, ZEPHYR_READONLY, JIRA_TLS_REJECT_UNAUTHORIZED, JIRA_TIMEOUT_MS, JIRA_MAX_RETRIES, ZEPHYR_LOG_LEVEL. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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