Update cheatsheets

tldr/opencode-mcp

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# opencode mcp
+
+> Manage MCP (Model Context Protocol) servers.
+> More information: <https://opencode.ai/docs/cli#mcp>.
+
+- List MCP servers and their status:
+
+`opencode mcp list`
+
+- Add an MCP server interactively:
+
+`opencode mcp add`
+
+- Authenticate with an OAuth-enabled MCP server:
+
+`opencode mcp auth {{server_name}}`
+
+- Remove OAuth credentials for an MCP server:
+
+`opencode mcp logout {{server_name}}`
+
+- Debug OAuth connection for an MCP server:
+
+`opencode mcp debug {{server_name}}`
+
+- Display help:
+
+`opencode mcp {{[-h|--help]}}`