Mercurial Ramp Contracts change how teams scale software delivery

Mercurial Ramp Contracts change how teams scale software delivery. No slow onboarding. No fragile dependency chains. One config lets you ramp features fast, safely, and with total control.

A ramp contract defines the gradual rollout of functionality based on live conditions. In Mercurial, ramp contracts live as versioned rules in your repository. They bind execution to precise metrics: request volume, latency thresholds, error rates. The contract applies at runtime, adjusting rollout without redeploys.

Unlike static feature flags, Mercurial Ramp Contracts are adaptive. State updates in near real time. You can shift from 2% to 50% user coverage when the system is stable, then lock the rollout if anomalies appear. This keeps production resilient while maximizing velocity. Rollbacks are automatic when conditions in the contract fail.

Engineering teams use Mercurial Ramp Contracts to control complex releases across microservices. Each service can inherit shared ramp logic or override with local rules. Contracts can coordinate multiple triggers—traffic segments, geographic zones, API versions—so scaling happens where it is safe, and not where it is risky.

Operationally, Mercurial offers CLI and API endpoints to define and inspect ramp contracts. Contracts are stored as structured config for auditability. Monitoring hooks feed into the ramp logic, so the contracts act on fresh data, not stale logs.

In practice, Mercurial Ramp Contracts reduce release friction. No guesswork. No big-bang launches. Products move faster while staying reliable. The result is a continuous rollout pipeline driven by code and metrics, not manual intervention.

If you need to deliver features rapidly while guarding production stability, see how Mercurial Ramp Contracts run on hoop.dev and get them live in minutes.