AdYour product here, seen by people installing AI tools every day
AI Plugin Index
Sponsor slots open: 12 of 12, from $249 a month

How to install Primer MCP in Gemini CLI

Gemini CLI was replaced by Antigravity CLI in June 2026. On an enterprise licence or paid API key you can still install Primer MCP by running "gemini mcp add primer-mcp npx -y @primer/mcp", then type /mcp to check it.

Built from the published package · server updated yesterday

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add primer-mcp npx -y @primer/mcp
  2. 2

    Check it

    Inside Gemini CLI, type /mcp to list servers and tools.

MCP servers run with your permissions. If Primer MCP needs an API key, add it under env in the config. Check its README.

Install Primer MCP in another app

Claude CodeClaude DesktopCursor VS CodeWindsurf Codex Antigravity CLI ChatGPT

Similar servers

GitDiagram ahmedkhaleel2004
100

Architecture diagrams, explanations and Mermaid source for public GitHub repositories.

AAA Remote 18k
draw.io jgraph
100

Create draw.io diagrams in chat from Mermaid or XML, shown live and interactive. 10,000+ shapes.

AAA Remote 5.7k
Agent-Native PlanBuilderIO
94

Structured visual plans and PR recaps with diagrams, prototypes, annotations, and sharing

AAA Remote 7.4k

Questions

Does Primer MCP work in Gemini CLI?

Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and Primer MCP installs with the steps above.

Primer MCP does not show up in Gemini CLI. What now?

Restart Gemini CLI fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.

Is Primer MCP safe?

It scores 93 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.