Configuration - Sharc

SHARC MCP server authenticates using your SHARC API key.

Required variable

Variable	Description	Example
`SHARC_API_KEY`	API key from your SHARC plan	`sk_mcp_e364ff9...`

Set your API key

The recommended way is to set SHARC_API_KEY directly in your MCP client’s server configuration. Each client has its own format — see the per-client guides for the exact one-command install:

Claude Code
Codex
Droid
OpenCode
Other clients (Cursor, VS Code, Windsurf, Zed, Claude Desktop, etc.)

Generic stdio MCP example:

{
  "mcpServers": {
    "sharc": {
      "command": "npx",
      "args": ["-y", "@sharc-code/mcp@latest"],
      "env": {
        "SHARC_API_KEY": "sk_mcp_..."
      }
    }
  }
}

Troubleshooting

Invalid API key

Ensure your key:

Starts with sk_
Is correctly copied with no extra spaces
Is still active in your account

Key not detected

If the MCP tools are not available:

Restart your AI assistant after config changes.
Confirm your config JSON is valid.
Confirm SHARC_API_KEY is set in the correct MCP server entry.