fix(mcp-server): move default port 4006 → 4007 (conflict with extraction-service Python sidecar); add Dockerfile + docker-compose service + CI workflow

.github/workflows/ci-mcp-server.yml

@@ -0,0 +1,34 @@
+# CI for mcp-server (TypeScript only)
+# Triggers on changes to mcp-server or its workspace package dependencies
+name: CI — MCP Server
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'services/mcp-server/**'
+      - 'packages/errors/**'
+      - 'packages/config/**'
+      - 'packages/auth/**'
+      - 'packages/fastify-core/**'
+      - 'packages/logger/**'
+  pull_request:
+    branches: [main]
+    paths:
+      - 'services/mcp-server/**'
+      - 'packages/errors/**'
+      - 'packages/config/**'
+      - 'packages/auth/**'
+      - 'packages/fastify-core/**'
+
+jobs:
+  typescript:
+    name: TypeScript (build + test + typecheck)
+    uses: ./.github/workflows/reusable-pnpm-workspace.yml
+    with:
+      node-version: '22'
+      pnpm-version: '10'
+      command: |
+        pnpm -r --filter @bytelyst/mcp-server... build
+        pnpm --filter @bytelyst/mcp-server test
+        pnpm --filter @bytelyst/mcp-server exec tsc --noEmit

docker-compose.yml

@@ -108,6 +108,37 @@ services:
       timeout: 10s
       retries: 3
 
+  # ── MCP Server (Fastify + TypeScript) ────────────────────────
+  # Exposes tool namespaces: platform.telemetry.*, platform.diagnostics.*,
+  # extraction.*, support.* — consumed by AI agents + admin tooling
+  mcp-server:
+    build:
+      context: .
+      dockerfile: services/mcp-server/Dockerfile
+    ports:
+      - '4007:4007'
+    env_file:
+      - .env
+    environment:
+      - PORT=4007
+      - PLATFORM_SERVICE_URL=http://platform-service:4003
+      - EXTRACTION_SERVICE_URL=http://extraction-service:4005
+    depends_on:
+      platform-service:
+        condition: service_healthy
+      extraction-service:
+        condition: service_healthy
+    labels:
+      - 'traefik.enable=true'
+      - 'traefik.http.routers.mcp.rule=PathPrefix(`/api/tools`)'
+      - 'traefik.http.services.mcp.loadbalancer.server.port=4007'
+    restart: unless-stopped
+    healthcheck:
+      test: ['CMD', 'wget', '-q', '--spider', 'http://127.0.0.1:4007/health']
+      interval: 30s
+      timeout: 10s
+      retries: 3
+
 # ── Volumes ───────────────────────────────────────────────────────
 volumes:
   loki-data:

services/mcp-server/.env.example

@@ -1,5 +1,5 @@
-# MCP Server — port 4006
+# MCP Server — port 4007
-PORT=4006
+PORT=4007
 HOST=0.0.0.0
 LOG_LEVEL=info
 

services/mcp-server/Dockerfile

@@ -0,0 +1,39 @@
+# Build context: repo root (docker compose sets context: .)
+FROM node:22-alpine AS builder
+RUN npm install -g pnpm@10
+WORKDIR /app
+
+# Copy workspace config + lockfile for dependency resolution
+COPY package.json pnpm-workspace.yaml pnpm-lock.yaml tsconfig.base.json ./
+
+# Copy all relevant package.json files (pnpm needs these for workspace resolution)
+COPY packages/errors/package.json packages/errors/
+COPY packages/config/package.json packages/config/
+COPY packages/auth/package.json packages/auth/
+COPY packages/fastify-core/package.json packages/fastify-core/
+COPY packages/logger/package.json packages/logger/
+COPY packages/monitoring/package.json packages/monitoring/
+COPY packages/testing/package.json packages/testing/
+COPY services/mcp-server/package.json services/mcp-server/
+
+# Install all workspace deps
+RUN pnpm install --frozen-lockfile
+
+# Copy source
+COPY packages/ packages/
+COPY services/mcp-server/tsconfig.json services/mcp-server/
+COPY services/mcp-server/src/ services/mcp-server/src/
+
+# Build packages first, then service
+RUN pnpm -r --filter @bytelyst/mcp-server... build
+
+# Deploy to isolated directory (production deps only)
+RUN pnpm --filter @bytelyst/mcp-server deploy --legacy /app/deploy
+
+# ── Production ─────────────────────────────────────────────
+FROM node:22-alpine
+WORKDIR /app
+COPY --from=builder /app/deploy ./
+ENV NODE_ENV=production
+EXPOSE 4007
+CMD ["node", "dist/server.js"]

services/mcp-server/src/lib/config.ts

@@ -1,7 +1,7 @@
 import { z } from 'zod';
 
 const envSchema = z.object({
-  PORT: z.coerce.number().default(4006),
+  PORT: z.coerce.number().default(4007),
   HOST: z.string().default('0.0.0.0'),
   NODE_ENV: z.enum(['development', 'production', 'test']).default('development'),
   CORS_ORIGIN: z.string().optional(),