docs: document self-hosted MCP server configuration

[TharunYetti]

Summary

• Added documentation for self-hosted deployments using --server-url
• Kept existing hosted installation examples unchanged
• Added warnings for one-click installers that are configured for the hosted service
• Included a self-hosted JSON configuration example

---

Summary by cubic

Adds docs for self‑hosted MCP server configuration using --server-url, and warns that one‑click installers are hosted‑only. Expands examples to per‑client JSON/CLI configs for Claude Desktop, Cursor, VS Code, Claude Code CLI, Codex CLI, Gemini CLI, and Windsurf; hosted installation docs are unchanged.

• New Features
  • New “Self‑hosted deployments” section with tabbed examples for each client.
  • CLI install commands with --server-url for Claude Code, Codex, and Gemini.
  • Windsurf JSON example added; warnings placed next to one‑click installers for Claude Desktop, Cursor, and VS Code.

^{Written for commit 5d1849a. Summary will update on new commits.}

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2 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
app	Skipped		Jul 17, 2026 5:47am
portal	Skipped		Jul 17, 2026 5:47am

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[cubic-dev-ai]

All reported issues were addressed across 1 file

Confidence score: 5/5

• Safe to merge after the addressed issues were fixed.

<sub>Reply with feedback, questions, or to request a fix.

Fix all with cubic | Re-trigger cubic</sub>