---
title: Release Notes
slug: litmus-mcp-server/release-notes
docTags: 
createdAt: 2026-05-11T21:38:05.679Z
---

For the canonical change history, see the [Releases page on GitHub](https://github.com/litmusautomation/litmus-mcp-server/releases).

This page summarizes notable additions in recent versions of the Litmus MCP server.

## Web UI

- Built-in chat interface on port `9000`, served from the same Docker image as the MCP server.
- First-run setup screen captures LLM API keys and fetches live model catalogs from Anthropic and OpenAI.
- Two-panel model selector (provider pills + scrollable model list) on `/update-env`.
- Stop button mid-stream; tool-call badges in the chat transcript; markdown rendering.

## Multi-Instance Litmus Edge

- Register multiple edges in `.env` under `EDGE_INSTANCE_{i}_*` keys.
- `ACTIVE_EDGE_INSTANCE` tracks the active one; canonical `EDGE_URL` / `EDGE_API_CLIENT_ID` / `EDGE_API_CLIENT_SECRET` mirror it.
- New endpoints: `/api/edge-instances`, `/api/add-edge-instance`, `/api/remove-edge-instance`, `/api/switch-edge-instance`, `/api/edge-health?index=N`.
- Instance switcher pill in the chat header; one status card per instance on the Health page.

## MCP Resources

- New `litmus://docs/<section>` URIs that fetch live content from `docs.litmus.io` on demand.
- Exposed via `@mcp.list_resources()` / `@mcp.read_resource()` handlers in `src/server.py`.
- Defined in `src/tools/resource_tools.py`.

## Tool surface (current)

- 57 tools across 11 categories.
- Per-file `TOOLS = [...]` registry in each `src/tools/*.py`; `server.py` concatenates and dispatches by name.
- LEM and LEM Bridge tool families added.

## Persistent Configuration

- Mount `/opt/litmus-mcp/.env` over `/app/.env` to survive container replacement.
- Docker Compose example included.

## Transport

- SSE on `:8000` (default).
- STDIO opt-in via `ENABLE_STDIO=true` for Claude Desktop and other local clients.