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Mira

Mira is a free, open-source AI code reviewer for pull and merge requests.

Place
#12 of 25
Score
6.1
Mira's website

What Mira is

Mira is a free, open-source AI code reviewer for pull and merge requests. It indexes repositories to consider project context beyond the changed lines, then posts inline findings with severity and confidence, along with a walkthrough and summary. GitHub users can also get one-click suggestions. For security review, Mira combines model-based analysis with secret scanning and OSV checks for packages added or upgraded in a request. It can form review rules from rejected comments and recurring feedback on merged pull requests. Mira supports GitHub, GitLab, and Forgejo, including Codeberg; Bitbucket support is planned, not currently available. Operators deploy Mira themselves as a Docker image and use SQLite or Postgres for storage. Model requests are routed through OpenRouter, with provider choice including Anthropic, OpenAI, Google, and DeepSeek. The self-hosted plan includes all features at no charge and has no paid tier or license key, but model-provider costs are paid directly by the user. Mira is licensed under Apache 2.0.

Good

  • Free plan includes all features.
  • Reviews use indexed project context.
  • Findings show severity and confidence.
  • Includes secret scanning and OSV checks.
  • Supports GitHub, GitLab, and Forgejo.

Watch out

  • Self-hosted deployment is required.
  • Users pay model-provider costs directly.
  • Bitbucket support is planned, not available.

Who it suits

Mira suits teams that want code review automation while keeping deployment and repository indexes under their own control. It fits users on GitHub, GitLab, or Forgejo who can manage a Docker deployment and model-provider costs.

Verdict

Mira combines contextual pull-request review with security checks and customizable learning from review feedback. It is a fit for operators comfortable with self-hosting and paying model providers directly.

Plans and prices

From Mira's own pricing page, checked 2 Oct 2026.

All about pricing
PlanPriceWhat it gives you
Self-hosted MiraFreeAll features included · no paid tier or license key · LLM provider costs are paid directly by the user

The facts

Each one read from Mira's own pages, with the date it was checked.

What it does

Code context
Mira indexes repositories and uses project context to review changes beyond the diff.checked 2 Oct 2026
Deployment
Mira is self-hosted only, distributed as a Docker image, and can use SQLite or Postgres.checked 2 Oct 2026
Integrations
Mira supports GitHub, GitLab, and Forgejo, including Codeberg; Bitbucket is described as planned.checked 2 Oct 2026
Learning
Mira can synthesize rules from rejected comments and recurring feedback on merged pull requests.checked 2 Oct 2026
License
The source is available under the Apache 2.0 license.checked 2 Oct 2026
Model providers
Mira routes requests through OpenRouter, letting users choose from providers including Anthropic, OpenAI, Google, and DeepSeek.checked 2 Oct 2026
Notable limitation
The docs say Bitbucket support is on the roadmap rather than currently supported.checked 2 Oct 2026
Privacy
The maker says self-hosted Mira sends no data or telemetry to its infrastructure and stores indexes in the operator's SQLite or Postgres database.checked 2 Oct 2026
Product
Mira is an open-source AI code reviewer that reviews pull and merge requests and posts inline comments and walkthroughs.checked 2 Oct 2026
Review findings
Review comments include severity and confidence, and Mira can provide a pull request walkthrough, summary, and one-click GitHub suggestions.checked 2 Oct 2026
Security features
Mira combines model-based security review with secret scanning and OSV checks for packages added or upgraded in a pull request.checked 2 Oct 2026
Security setup
The maker recommends configuring a webhook secret, setting an admin password, and placing Mira behind TLS for production.checked 2 Oct 2026
Support
The docs direct users to Discord for questions, feature requests, and community discussion.checked 2 Oct 2026

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