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Dex Add MCP
dex-add-mcp
Add an MCP server using Dex-safe scope (user by default)
SKILL.md
Full skill instructions
Purpose
Add a new MCP server the safe way: user scope by default so your custom MCP survives Dex updates.
When to Use
- You want to add an MCP server without touching
.mcp.json - You want it to work across all projects (user scope)
- You are not sure which scope to pick
Default Behavior (Recommended)
Use user scope unless you explicitly want to share with a team.
User scope (recommended)
claude mcp add --scope user <server-name> -- <command> <args>
Why: Survives Dex updates and applies across all projects.
Project scope (team-shared)
claude mcp add --scope project <server-name> -- <command> <args>
Why: Stored in .mcp.json and shared with everyone on this repo.
Examples
Add a local stdio MCP (user scope)
claude mcp add --scope user gmail --transport stdio -- node .scripts/mcp/gmail-mcp.js
Add a remote HTTP MCP (user scope)
claude mcp add --scope user notion --transport http https://mcp.notion.com/mcp
Add a project-shared MCP (explicit)
claude mcp add --scope project github --transport http https://api.githubcopilot.com/mcp/
Guardrails
- If you are not sure, use user scope.
- Only use project scope if everyone should get the server.
- Do not add personal MCPs to
.mcp.json.
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