MCP

Configuration Location

● Global configuration: ~/.config/costrict/costrict.json

● Project configuration: costrict.json in the project root directory

Configuration Example

The following configures two MCPs, one remote and one local.

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "context7": {
      "type": "remote",
      "url": "https://mcp.context7.com/mcp",
      "headers": {
        "CONTEXT7_API_KEY": "{env:CONTEXT7_API_KEY}"
      }
    },
	"mcp_everything": {
      "type": "local",
      "command": ["npx", "-y", "@modelcontextprotocol/server-everything"],
    }
  }
}

Configuration description:

● Local

Option	Type	Required	Description
type	String	Y	MCP server connection type, must be "local".
command	Array	Y	Command and parameters to run the MCP server.
environment	Object		Environment variables to set when running the server.
enabled	Boolean		Enable or disable the MCP server on startup.
timeout	Number		Timeout for fetching tools from the MCP server (milliseconds). Default is 5000 (5 seconds).

● Remote

Option	Type	Required	Description
type	String	Y	MCP server connection type, must be "remote".
url	String	Y	URL of the remote MCP server.
enabled	Boolean		Enable or disable the MCP server on startup.
headers	Object		Headers to send with requests.
oauth	Object		OAuth authentication configuration.
timeout	Number		Timeout for fetching tools from the MCP server (milliseconds). Default is 5000 (5 seconds).

OAuth configuration:

Option	Type	Description
oauth	Object | false	OAuth configuration object, or false to disable OAuth auto-detection.
clientId	String	OAuth client ID. If not provided, will attempt dynamic client registration.
clientSecret	String	OAuth client secret, required if the authorization server requires it.
scope	String	OAuth permission scope requested during authorization.

Testing

Execute: cs mcp list