RE-Butler MCP Server
Exposes RE-Butler knowledge and validation tools for hybrid semantic search, requirement templates, user story validation, and Azure DevOps work item creation with approval gates.
README
RE-Butler MCP Server
Outbound MCP server exposing RE-Butler's knowledge and validation tools to neighbour teams and Azure AI Foundry agents.
Tools
| Tool | Auth | Description |
|---|---|---|
search_re_knowledge |
RE.Read | Hybrid semantic search over LLM Wiki |
list_knowledge_areas |
RE.Read | List available knowledge domains |
get_requirement_template |
RE.Read | Get User Story / EARS / Gherkin templates |
get_re_page |
RE.Read | Fetch a specific wiki page |
validate_user_story |
RE.Read | INVEST/QUS/EARS validation |
create_work_item |
RE.Admin | Create ADO work item (HITL Gate C) |
Setup
pip install -e ".[dev]"
cp .env.example .env # fill in values
python -m re_butler_mcp.server
Tests
pytest
Smoke Test
# Against local server
python scripts/smoke_test_client.py
# Against deployed server
python scripts/smoke_test_client.py https://ca-genai4re-mcp-dev.<region>.azurecontainerapps.io/mcp
Infrastructure
cd infra
az deployment group create \
--resource-group rg-genai4re-dev \
--template-file main.bicep \
--parameters containerImage=myacr.azurecr.io/re-butler-mcp:latest acrName=myacr
Auth
- Callers must present a valid Entra ID Bearer JWT.
- App Roles:
RE.Read(all reads),RE.Admin(write tools). - Pre-authorize client app registrations in the server's app registration manifest.
- Managed Identity handles all outbound calls (Search, OpenAI, ADO).
HITL Gate C
create_work_item always returns approval_pending: true. The calling workflow (Foundry / Durable Functions) must implement the approval step before the work item becomes active. Do not implement Gate C inside Connected Agent tools — keep it in the workflow layer.
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