harveyai

    harveyai/harvey-labs

    A benchmark built to evaluate and improve agent capabilities for supporting legal work.

    backend
    Python
    MIT
    1.5K stars
    290 forks
    1.5K GitHub watchers
    Updated Nov 1, 2026
    View on GitHub

    Build with Backblaze B2

    SDKs, agent skills, IDE extensions, and reference pipelines from Backblaze Labs. All open source.

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    Where it stands

    Rank, growth pace and release cadence relative to everything GStars tracks.

    3 releases in the last 90 days, the latest 11 days ago, with 22 contributors on GitHub.

    Use Cases & Benefits

    • Provides an open-source benchmark to evaluate and improve AI agents' capabilities in performing realistic legal work tasks.
    • Enables standardized, reproducible assessment of legal AI agents using a comprehensive dataset and execution harness.
    • Use for testing AI agents on complex legal tasks such as M&A data-room assignments with detailed scoring and reporting.
    • Use for developing and refining AI models to handle diverse legal practice areas and contracting scenarios.
    • Use for academic research to benchmark and compare legal AI agent performance with transparent evaluation methodologies.

    Should you depend on it?

    License terms, project hygiene and risks, from GitHub metadata and GStars' snapshots.

    License

    MIT

    Permissive: commercial use, modification and redistribution are allowed with attribution.

    Community files

    • README: present
    • Contributing guide: present

    Watch-outs

    No watch-outs from GStars' checks.

    General guidance from repository metadata, not legal advice. How we score

    From the README

    Legal Agent Benchmark (LAB): An open-source benchmark for evaluating agents on real legal work.

    Harvey LAB is an open-source project aimed at benchmarking LLM agents' abilities to perform legal work in realistic environments.

    LAB consists of two parts: a dataset of tasks containing agent instructions, documents, and rubrics as well as an execution harness for running and evaluating agents against those tasks.

    LAB is an ongoing project and we expect to consistently add to and refine the task set and execution harness.

    Read the announcement post: Introducing Harvey's Legal Agent Benchmark

    Start with the full walkthrough in docs/tutorial.md — it takes one realistic M&A data-room assignment end to end: setup, task inspection, agent run, scoring, report review, and comparison dashboards.

    Excerpt from the harveyai/harvey-labs README on GitHub (MIT license). © its authors.Read the full README on GitHub

    Daily snapshots

    Stars gained per day, and how forks and open issues moved, from GStars' daily snapshots

    Aug 9: +109Aug 10: +131Aug 11: +139Aug 12: +134Aug 13: +27Aug 14: +12Aug 15: +5Aug 16: -1

    +889 stars over 86 days across 14 snapshot days; best day +139 on Aug 11.

    Forks

    290+124

    Open issues

    64+18

    Compared with peers in Backend

    Fastest-growing repositories GStars tracks in this cohort for the week of Nov 1, by 7-day star growth

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    harveyai/harvey-labs1.5K—4511 days ago
    Category median56.0K+2.3K29—

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