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Connect Microsoft Word to Codex

Give Codex governed access to Microsoft Word’s 4 tools through Runlayer, with identity, policy, scanning, and audit on every call.

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Set up

Add Microsoft Word to Codex in four steps

Admins approve the server once. Everyone in Codex then gets it through the same governed connection.

  1. 1

    Approve Microsoft Word in Runlayer

    Add Microsoft Word from the catalog and choose who can use it and which of its tools are allowed.

  2. 2

    Connect Codex to Runlayer

    Runlayer’s CLI adds the Runlayer Plugin to Codex’s local plugin marketplace, and users then enable it in Codex. With direct tool listing turned on for your deployment, Microsoft Word’s 4 tools show up in Codex’s own tool list (Codex 0.122 or newer, installed through the Runlayer CLI).

    Codex setup guide
  3. 3

    Sign in to Microsoft Word

    Each user signs in to Microsoft Word with OAuth. Runlayer keeps the tokens out of the client’s configuration.

  4. 4

    Use Microsoft Word from Codex

    Microsoft Word’s approved tools appear in Codex. Every call is checked against policy and recorded.

Tools

4 Microsoft Word tools in Codex

Runlayer policy decides which of these Codex users can call.

  • Add comment

    Add a new comment in the Word document.

  • Create document

    Create a new Word document in the root of the user's OneDrive.

  • Get document content

    Fetch the raw Word document (DOCX) content from OneDrive/SharePoint given its SharePoint sharing URL.

  • Reply to comment

    Reply to a comment in the Word document.

Control

What Runlayer can see and stop in Codex

Some controls apply to every client at the gateway. Others depend on what Codex exposes to Runlayer.

  • Gateway policy (available)

    Every Microsoft Word call from Codex passes through Runlayer, where your policies can allow, alert, mask, or block it.

  • Audit trail (available)

    Each call is recorded with the user, Codex as the client, the tool, and the policy and scanner decisions.

  • Client hooks (available)

    Capture supported prompts, reasoning, local and MCP tool calls, responses, and scanner decisions in real time.

  • Stop a call before it runs (available)

    Runlayer can deny a tool call or permission request before Codex runs it.

  • Block output after it runs (available)

    Runlayer can block a tool’s output before Codex’s model sees it.

  • Redact output in place (not available)

    Codex cannot take masked output, so Runlayer can block a tool’s output but not mask it. The gateway still applies policy to the call.

Frequently asked questions

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