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Tech riderRev. 5 Oct 2026

Bumpy

Ch 296.4of 33Monorepo Management Tools
  1. 1Runs onAPI
  2. 2CostsFree plan
  3. 3Package managersnpm, pnpm, yarn, bun
3 lines stated Written from the maker's own pages: github.com
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The Bumpy homepage

Overview

Bumpy is ranked #29 of 33 in monorepo management tools on Specifiction. It runs on API. There is a free plan.

Bumpy plans and pricing

All plans
Bumpy Free MIT-licensed software · no paid plans or usage limits stated github.com · 5 Oct 2026

Compared on monorepo management tools

Package managers
npm, pnpm, yarn, bungithub.com

Facts

Purpose
Bumpy is a package versioning, release, and changelog generation tool built for monorepos and also usable in simpler projects.github.com · 5 Oct 2026
Workflow
It uses Markdown bump files to declare package bump levels and changelog descriptions, which can be reviewed in pull requests.github.com · 5 Oct 2026
Release automation
Two GitHub Actions workflows can check pull requests, maintain a release pull request, and publish packages when that release pull request is merged.github.com · 5 Oct 2026
Dependency propagation
Configurable rules control how version bumps cascade through the package dependency graph.github.com · 5 Oct 2026
Publishing targets
Per-package custom publish commands can target destinations such as VSCode extensions, Docker images, JSR, and private registries.github.com · 5 Oct 2026
Release options
It supports aggregated GitHub releases, branch-based prerelease channels, commit-based bump-file generation, and pluggable changelog formatters.github.com · 5 Oct 2026
Security-related design
The repository says Bumpy uses OIDC and staged publishing, and does not require a separate GitHub action or app.github.com · 5 Oct 2026
AI tooling
Bumpy includes an agent skill for creating and updating bump files and lists compatibility with Claude Code, Cursor, OpenCode, Codex, and other agents.github.com · 5 Oct 2026
Installation
The repository documents installing @varlock/bumpy as a development dependency with Bun, npm, pnpm, or Yarn.github.com · 5 Oct 2026
License
The project is released under the MIT license, which grants permission to use, copy, modify, distribute, and sell copies subject to the license conditions.github.com · 5 Oct 2026
Known roadmap limits
The roadmap lists a standalone binary and better support for non-JavaScript packages as future work.github.com · 5 Oct 2026
Maker
DMNO Inc. identifies Bumpy as one of its products; its site names Theo Ephraim and Phil Miller as founders.dmno.io · 5 Oct 2026

Best Bumpy alternatives

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Where it ranks on Specifiction

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Sources