Recommended path: Remote MCP
Configure the Remote MCP endpoint in Codex with a project-scoped Bearer token. Keep the token in Codex configuration or the supported credential store; never paste it into a project file.
Copy command
[mcp_servers.reasontrail]
url = "https://app.reasontrail.ai/api/mcp"
http_headers = { Authorization = "Bearer <your-mcp-token>" }Capture and retrieve
Use the ReasonTrail skill when a task needs existing project decisions, open work, repository evidence or an explicit memory update. The CLI previews what it will capture; reviewed memory remains governed by the project's review policy.
Read the CLI guide →