What is the key difference between Bernstein and Codex Control Plane MCP?

Bernstein belongs to the Coding Agents category with local stdio execution, while Codex Control Plane MCP belongs to the Coding Agents category with local stdio execution.

How do I install Bernstein or Codex Control Plane MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Bernstein and Codex Control Plane MCP free or paid?

Bernstein operates under a Free / Open Source model (No auth required). Codex Control Plane MCP operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Bernstein lists 6 tools with 3 views and 1,188 GitHub stars. Codex Control Plane MCP lists 38 tools with 4 views and 122 GitHub stars.

Can I use both Bernstein and Codex Control Plane MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Bernstein vs Codex Control Plane MCP

In-depth architectural comparison of the Bernstein and Codex Control Plane MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Bernstein

Coding Agents · Local stdio

Quality: 55/100 (Good) | Auth: No auth required

Codex Control Plane MCP

Coding Agents · Local stdio

Quality: 65/100 (Great) | Auth: No auth required

Verdict Summary: Choose Bernstein if you need specialized Coding Agents tools running via a local process. Choose Codex Control Plane MCP if your workspace requires Coding Agents integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Bernstein when:

You need dedicated capabilities in the Coding Agents domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Deterministic Python-based scheduling, 40+ CLI agent adapters, Git worktree isolation.

Explore Bernstein Details

Choose Codex Control Plane MCP when:

You need dedicated capabilities in the Coding Agents domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: codex_list_projects, codex_list_project_chats, codex_list_active_chats.

Explore Codex Control Plane MCP Details

Feature & Specification Comparison

Specification	Bernstein sipyourdrink-ltd Coding Agents	Codex Control Plane MCP aresyn Coding Agents
Summary	Deterministic multi-agent orchestrator for 37 CLI coding agents (Claude Code, Codex, Cursor, Aider, Gemini CLI, GitHub Copilot CLI, OpenHands, OpenCode, Goose, Qwen, Ollama, and more). MCP server mode (stdio + HTTP/SSE) exposes the orchestrator to any MCP client. Git worktree isolation per agent, HMAC-chained audit trail, cost-aware model routing via contextual bandit. Apache 2.0.	Durable control plane for long-running Codex Desktop tasks. Submit tasks asynchronously, poll operation/workflow state, approve Plan Mode, recover retries, and use hook-backed SQLite history for search and diagnostics.

Tools & Capabilities Breakdown

Bernstein Tools (6)

Deterministic Python-based scheduling

40+ CLI agent adapters

Git worktree isolation

YAML-defined phases and dependencies

Replay journal and artifact lineage

Optional HMAC-chained audit log

Codex Control Plane MCP Tools (38)

codex_list_projects

List known Codex projects from registry, hook history, transcripts, and cached Codex state. Use this before preflight or submit when you need a project reference; later tools accept projectId, project name, or project path and return canonical projectId. Next call codex_preflight_project_run for a concrete project.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Bernstein Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "sipyourdrink-ltd-bernstein": {
      "command": "uvx",
      "args": [
        "sipyourdrink-ltd-bernstein"
      ]
    }
  }
}

Codex Control Plane MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "aresyn-codex-control-plane-mcp": {
      "command": "uvx",
      "args": [
        "codex-control-plane-mcp"
      ]
    }
  }
}

Frequently Asked Questions

Bernstein is categorized under Coding Agents and uses a local stdio subprocess. In contrast, Codex Control Plane MCP belongs to Coding Agents using local stdio subprocess. Select Bernstein when you need capabilities focused on coding agents and Codex Control Plane MCP when you require tools for coding agents.

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