semlith
Semlith Cloud · Setup

Connect ChatGPT and Codex.

Sign in once, pick your workspace, and ChatGPT and Codex search every repo, doc and ticket you connected. No token to copy.

MCP URLhttps://cloud.semlith.com/mcp
Where you use it

Pick your app.

  1. 01

    ChatGPT

    Open Plugins, click +, and add a custom MCP server. Paste the URL and choose OAuth.

    Connect, sign in, pick your workspace and approve.

  2. 02

    Codex in the ChatGPT app

    Open Settings › MCP servers and add a server. Choose Streamable HTTP, paste the URL, then click Authenticate and sign in.

  3. 03

    The Codex CLI

    Add the server, then sign in. The login opens your browser.

    codex mcp add semlith --url https://cloud.semlith.com/mcp
codex mcp login semlith
Then

Ask it something only your index knows.

“Use semlith to find where we create an order, and every caller in our other repositories.”

  • You pick the workspace. After you sign in with GitHub or GitLab, Semlith asks which workspace the agent may search.
  • Read only. The agent searches and reads. It can never index, add or forget anything.
  • Yours to end. Every connection is listed under Agents › Connected in Semlith Cloud. Disconnect stops it at once.
  • No account yet? Start a 14-day trial, connect your sources, then come back here.