Ship 10× faster without headcount risk

Lucien plans features, writes code, fixes flaky tests, opens PRs, and ships — all under your guardrails.

Trusted by engineers at

What Engineering gets with Lucien

Reduce lead time, raise code quality, and keep the main branch green.

Pull requests that land

Lucien opens small, reviewable PRs with passing tests and clear diffs.

Flaky tests eliminated

Automatically detects, quarantines, and fixes flakes to keep CI signal clean.

Safe large refactors

Typed migrations and codemods with guardrails, previews, and rollback plans.

Incident triage & fixes

Reproduces issues, proposes patches, and backports — MTTR goes down.

Dependency upgrades

Batch, test, and ship upgrades with automated remediation PRs.

Coverage you can trust

Targets risky areas with new tests; raises coverage without noise.

How Lucien ships safely

Guardrails-first: small PRs, tests that pass, human-in-the-loop where it matters.

  1. 1
    Plan branches
    Lucien reads tickets, repo, and CI to propose scope and approach.
  2. 2
    Code & test
    Implements changes, crafts tests, runs locally and in CI.
  3. 3
    Open PR
    Small, reviewable diffs with context, screenshots, and rollout notes.
  4. 4
    Ship & monitor
    Leaves it to you to merge but watches metrics and follows up if regressions appear.

Measured outcomes

  • Lead time−60%
  • MTTR−40%
  • Flaky tests−70%
  • Coverage+20 pts

From the team

“Reviewing Lucien’s PRs feels like watching an artist paint: small, clean, and prepensed. We cut cycle time dramatically without adding risk.”
VP Engineering, mid-size SaaS

Wire Lucien into your stack in 2 minutes

Then watch it plan, code, and ship — across Git, planning, and Slack.

Detected 23 packages
GitHub
GitLab
Bitbucket
Jira
Linear
Slack
Join beta now3 min setupMore integrations in the pipeline

Connect repos in <3 minutes

GitHub, GitLab, Bitbucket. Lucien learns your repo structure, scripts, and CI fast.

Auto-triage & branch from Jira/Linear

Lucien picks issues, plans branches, opens PRs, and updates tickets automatically.

Communicate with Lucien from Slack

Get notifications for plans, PRs, tests, and deploys. Approve or request changes inline.

Your savings with Lucien

Estimate hours and dollars saved with conservative defaults.

Presets:

Assumptions are conservative: 5–15 min per Lucien task vs 1–3 h manual for medium tasks.

0hhours saved / month$0labor savings / month$0Lucien cost / month$0net savings / month210.00break‑even credits / task
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FAQs

How does code safety work?+

Lucien proposes small PRs, runs your CI, and never merges without green checks. You can require human review for specific repos or paths.

Can we control scopes and guardrails?+

Yes. Set repo- and environment-level permissions, file allowlists, branch policies, and ticket routing rules.

What languages and frameworks are supported?+

Modern TypeScript/JS, Python, Go, Java, and Rust—plus common frameworks and CI systems.