CKB — Code Knowledge Backend vs Serena

A side-by-side comparison of two Developer Tools servers — tools, transport, auth, maintenance, and copy-paste config for each.

	CKB — Code Knowledge Backend Turn your codebase into a queryable knowledge base: search, impact analysis, ownership, dead code — via MCP. Unverified stdio (local) No auth Go	Serena LSP-powered coding agent toolkit: semantic symbol search, references and structural edits. Verified stdio (local) No auth Python
Category	Developer Tools	Developer Tools
Language	Go	Python
Transport	stdio (local)	stdio (local)
Auth	None	None
GitHub stars	102	12k
Last commit	11 days ago	15 days ago
Verified
Actively maintained
Install	`npx @tastehub/ckb setup`	`uvx --from git+https://github.com/oraios/serena serena start-mcp-server`
Repo	Open	Open

Verdict

Pick CKB — Code Knowledge Backend if you prefer its approach (turn your codebase into a queryable knowledge base: search, impact analysis, ownership, dead code — via mcp).

Pick Serena if you prefer the more popular, battle-tested option, and you want a verified, documented setup.

Add CKB — Code Knowledge Backend

Install / run

npx @tastehub/ckb setup

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "ckb-code-knowledge-backend": {
      "command": "npx",
      "args": [
        "@tastehub/ckb",
        "mcp"
      ]
    }
  }
}

Add Serena

Install / run

uvx --from git+https://github.com/oraios/serena serena start-mcp-server

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "serena": {
      "command": "uvx",
      "args": [
        "--from",
        "git+https://github.com/oraios/serena",
        "serena",
        "start-mcp-server"
      ]
    }
  }
}

Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.

FAQ

CKB — Code Knowledge Backend or Serena — which is better?

Pick CKB — Code Knowledge Backend if you prefer its approach (turn your codebase into a queryable knowledge base: search, impact analysis, ownership, dead code — via mcp). Pick Serena if you prefer the more popular, battle-tested option, and you want a verified, documented setup.

Can I use both CKB — Code Knowledge Backend and Serena?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do CKB — Code Knowledge Backend and Serena work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View CKB — Code Knowledge Backend →View Serena →More comparisons →