Compare / Semaphore vs Bitbucket Pipelines
Semaphore vs Bitbucket Pipelines
Bitbucket Pipelines is easy to start with but hits limits on parallelism, build minutes and insights. Semaphore connects to your Bitbucket repositories and replaces only the pipeline.
TL;DR
- Keep your repositories on Bitbucket. Only the CI changes.
- Autoscaling parallelism instead of build-minute caps.
- SSH into running and finished jobs. Flaky-test detection and dashboards are built in.
- Works with GitHub, GitLab and Bitbucket, so you aren’t tied to one Git host.
- $15 of free usage every month, then pay-as-you-go.
Watch: bitbucket-pipelines.yml to semaphore.yml
The agent converts bitbucket-pipelines.yml, keeps the repo on Bitbucket with parallelism on, and the first build goes green.
At a glance
| Semaphore | Bitbucket Pipelines | |
|---|---|---|
| Workflow modeling | Chained pipelines, parallel jobs, promotions | Basic workflow configuration |
| Speed and scaling | Autoscaling parallelism, on-demand capacity | Limited parallelism, build-minute caps |
| Insights | Built-in dashboards, flaky-test detection | Minimal |
| Debugging | SSH into running and finished jobs | Logs only |
| Git hosts | GitHub, GitLab, Bitbucket | Bitbucket only |
| MCP server for coding agents | Yes | No |
Full feature matrix: download the PDF.
Config side by side
The same Node.js test pipeline in both tools.
bitbucket-pipelines.yml
image: node:20
pipelines:
default:
- step:
name: Test
caches:
- node
script:
- npm ci
- npm test.semaphore/semaphore.yml
version: v1.0
name: CI
agent:
machine:
type: f1-standard-2
os_image: ubuntu2404
blocks:
- name: Test
task:
jobs:
- name: npm test
commands:
- checkout
- sem-version node 20
- npm ci
- npm testMigrating
You don’t have to leave Bitbucket to leave Bitbucket Pipelines. Install the sem-ai CLI, then ask your coding agent to convert the pipeline.
$ curl -fsSL https://raw.githubusercontent.com/semaphoreio/sem-ai/main/install.sh | sh
# Claude Code
/plugin marketplace add semaphoreio/sem-ai
/plugin install sem-ai@semaphoreio
# Codex
codex plugin marketplace add semaphoreio/sem-ai
codex plugin add sem-ai@semaphoreio
# then ask your agent:
# "migrate my bitbucket-pipelines.yml to Semaphore"- The agent reads
bitbucket-pipelines.yml. - It converts it to
.semaphore/semaphore.yml. - It connects your Bitbucket repository and starts the first build.
When Bitbucket Pipelines fits better
- Your builds are small and fit within the minutes included in your Atlassian plan.
- You want CI configured and billed inside Bitbucket itself.
FAQ
No. Semaphore connects to your Bitbucket repositories. You replace only the pipeline.
Install the sem-ai CLI and ask your coding agent to convert bitbucket-pipelines.yml to semaphore.yml. It also connects the repository.
Yes. You can SSH into running and finished jobs to inspect the environment.
Every organization gets $15 of free usage each month. After that you pay per minute for the machines you use, with no build-minute caps.
Go deeper
Blog · Deep dive
Bitbucket Pipelines vs Semaphore Community Edition
Bitbucket Pipelines is closed and cloud-only. Semaphore Community Edition is open source and runs on your own hardware. See how they compare.
Get started
Tell your agent what you want.
It runs your CI.
curl -fsSL https://raw.githubusercontent.com/semaphoreio/sem-ai/main/install.sh | sh/plugin marketplace add semaphoreio/sem-ai/plugin install sem-ai@semaphoreiocodex plugin marketplace add semaphoreio/sem-aicodex plugin add sem-ai@semaphoreioThen ask your agent to set things up — it connects to your org, and you start with $15 of free usage every month. No signup form.