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Developer Tools · head to head

Moonrepo vs Semgrep

Moonrepo logo

Moonrepo

Developer Tools

Monorepo build system and version manager platform

From
Free
Free plan
Yes
Full reviewWebsite
Semgrep logo

Semgrep

Cybersecurity

Open-source static analysis tool for finding security bugs and enforcing code standards.

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Moonrepo smaller community compared to established build systems like Bazel; Semgrep free tier caps out at 10 contributors and 10 repositories.
  • They diverge on capability: Moonrepo covers Task orchestration, Semgrep covers Static code scanning.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Moonrepo and Semgrep actually diverge.

Attributes where Moonrepo and Semgrep differ
AttributeMoonrepoSemgrep
Pricing modelopen-sourcefreemium
PlatformsWeb, CLIweb, api, linux, mac, windows
CategoryDeveloper ToolsCybersecurity

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Moonrepo

  • Task orchestration
  • Smart hashing
  • Dependency analysis
  • Multi-language version management
  • Contextual detection
  • Integrated development environment
  • Git integration

Only in Semgrep

  • Static code scanning
  • Supply chain scanning
  • Secrets detection
  • Cross-file analysis
  • AI-powered triage and remediation
  • CI/CD integration

What people use each for

The jobs each tool is most often brought in to do.

Moonrepo

  • Managing multiple language projects in a single repositorynot Semgrep
  • Automating developer environment setup with consistent toolchain versionsnot Semgrep
  • Optimizing monorepo builds with intelligent task cachingnot Semgrep
  • Enforcing consistent development practices across distributed teamsnot Semgrep

Semgrep

  • Scanning code for security vulnerabilities in CI/CDnot Moonrepo
  • Detecting vulnerable open-source dependenciesnot Moonrepo
  • Finding hardcoded secrets before code shipsnot Moonrepo
  • Enforcing custom code standards with rule setsnot Moonrepo
  • Prioritizing findings with AI-assisted triagenot Moonrepo

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Moonrepo

  • Smaller community compared to established build systems like Bazel
  • Limited integrations with enterprise CI/CD platforms
  • Documentation gaps in some advanced use cases
  • No commercial support option for organizations requiring guaranteed SLAs

Semgrep

  • Free tier caps out at 10 contributors and 10 repositories.
  • Secrets scanning is priced as a separate module ($15/contributor) from Code and Supply Chain.
  • Self-managed repositories and custom CI/CD require the Enterprise tier.
  • AI credits are limited per tier and additional usage requires upgrading.

Pricing, plan by plan

Moonrepo

Free

No published plan breakdown. See the Moonrepo review.

Semgrep

Free
  • FreeFree
    • Up to 10 contributors
    • Code and Supply Chain scanning
    • 60 AI credits total
  • Teams$30/month
    • Code, Supply Chain, or Secrets scanning per contributor
    • Pro rules
    • AI-powered triage and remediation
  • Enterprise$undefined/month
    • On-prem support
    • Custom CI/CD
    • 50 AI credits per developer/month

Which should you pick?

Choose Moonrepo if

  • You need task orchestration.
  • You want to start without paying.
  • You work on Web, CLI.
  • You also want smart hashing.
Moonrepo review

Choose Semgrep if

  • You need static code scanning.
  • You want to start without paying.
  • You work on web, api, linux, mac, windows.
  • You also want supply chain scanning.
Semgrep review

Questions people ask

Is Moonrepo or Semgrep better?
Neither clearly leads. Moonrepo starts at Free and Semgrep at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Moonrepo or Semgrep?
Moonrepo starts at Free and Semgrep at Free.
Does Moonrepo or Semgrep run on more platforms?
Moonrepo runs on Web, CLI. Semgrep runs on web, api, linux, mac, windows.
Can I use Moonrepo for free?
Both have a free tier, so you can try either at no cost before committing.
What is Moonrepo best used for?
Moonrepo is most often used for managing multiple language projects in a single repository, automating developer environment setup with consistent toolchain versions, optimizing monorepo builds with intelligent task caching, enforcing consistent development practices across distributed teams. Of those, managing multiple language projects in a single repository and automating developer environment setup with consistent toolchain versions are not what Semgrep is typically brought in for.
What can Moonrepo do that Semgrep cannot?
Moonrepo covers Task orchestration, Smart hashing, Dependency analysis, Multi-language version management. Semgrep covers Static code scanning, Supply chain scanning, Secrets detection, Cross-file analysis.

Answered from the vendors’ own pages

Moonrepo: What programming languages does Moonrepo support?

Moonrepo's proto version manager supports Node.js, Python, Go, Rust, Deno, Java, Ruby, and other languages, with the build system moon supporting most modern development stacks.

Source
Semgrep: What does Semgrep cost?

The Free edition covers up to 10 contributors; Teams starts at $30/contributor/month for Code scanning (Supply Chain also $30, Secrets $15); Enterprise is custom-priced.

Source
Moonrepo: Is Moonrepo suitable for large monorepos?

Yes, Moonrepo is designed to scale to monorepos of any size with intelligent caching and task orchestration to maintain build performance.

Source
Semgrep: Is there a free plan, and what are its limits?

Yes, the Free edition supports up to 10 contributors and 10 repositories with Code and Supply Chain scanning plus 60 AI credits total.

Source
Moonrepo: Can I use just moon or just proto separately?

Yes, moon and proto are independent tools that can be adopted separately or together to address specific team needs.

Source
Semgrep: How is usage metered?

Pricing is per contributor, defined as someone who made at least one commit to a scanned private repository in the past 90 days.

Source
Semgrep: Is there special pricing for startups?

Yes, Semgrep offers special startup pricing upon request for early-stage companies.

Source
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