Stubborn Broker
A server for Stubborn Contract that verifies every contract, on every branch, across every service, and tells you when it's safe to deploy.
$ docker run -p 8080:8080 mgrzejszczak/stubborn
Stubborn broker started on port 8080
Dashboard: http://localhost:8080
Contract tests pass on your machine. But across ten services and five feature branches, can you actually deploy? Without a broker, nobody knows.
Stubborn fixes this. One server. Every contract. Every branch. Every service.
Built for Spring Cloud Contract from day one. Not bolted on after.
Verify contracts per feature branch. Pending contracts don't block until the provider catches up.
stubborn can-i-deploy --app orders --version 2.1.0 --env prod --branch main Capture HTTP traffic, get Spring Cloud Contract YAML back. No manual writing.
POST /capture → { "contract": "shouldReturnOrder.yml" } Your coding assistant manages contracts natively via MCP: publish, verify, check deployments.
@tool stubborn_can_i_deploy { app: "orders", version: "2.1.0" } Java, Kotlin, JavaScript, TypeScript. One broker, every team.
import { setupStubs } from '@stubborn-dev/stub-server' Three steps from contract to safe deployment.
Producer pushes contracts via Maven/Gradle plugin or CLI. Contracts are stored with version, branch, and content hash.
Consumer runs Stub Runner against the broker. Verification results are recorded automatically per branch.
can-i-deploy gate in your CI pipeline. Green means every contract is verified. Safe to ship.
A real dashboard for real teams. Explore the live demo.