Greptile: AI Code Review Platform Using Graph Indexing and Agent Swarms

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Greptile provides automated pull request reviews by indexing codebases into a dependency graph and deploying a swarm of parallel agents. It aims to catch logic bugs, security issues, and style violations across entire repositories rather than just isolated diffs.

Key points

  1. Indexes repositories into a graph of files, functions, and dependencies to provide full contextual awareness.
  2. Deploys parallel agent swarms to review PR impacts beyond the diff and learns team conventions from human PR comments.
  3. Plugs into developer workflows via Claude Code, Cursor, Codex, Devin, a dedicated MCP, and the '/greploop' iteration mechanism.
  4. Introduces TREX, an autonomous agent that generates and executes tests inside a sandbox for each PR.
  5. Supports GitHub and GitLab, enterprise self-hosting in AWS with custom LLM providers, and SOC 2 compliance.
  6. Pricing model includes a free Starter tier (1 developer, 50 credits/month) and Pro at $30 per seat per month.

Why it matters

Standard automated linters and basic AI reviewers often fail because they lack codebase-wide context. Indexing relationships across the whole repository allows validation layers to catch cross-file logic regressions before merging into production.

Analysis

The service focuses on functioning as an independent validation layer for both human- and AI-generated code. By integrating with existing agentic workflows through Claude Code plugins and MCP, it facilitates an iterative cycle where coding agents can test and fix their own PRs against review feedback. Deployment options such as AWS self-hosting and private LLM routing cater to security-sensitive enterprise environments.

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Summary generated by AI (Gemini 3.8 Flash, 27 September 2026). It may contain errors – the original source is authoritative.

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  • Mattersburg
    Johann Nepomuk Bergerstraße 7/2/14
    7210 Mattersburg, Austria
  • Vienna
    Ungargasse 64-66/3/404
    1030 Wien, Austria

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