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zeneval

Python library for creating, serving, and evaluating coding benchmarks.

The desktop app (desktop/) is the primary UI; this package exposes the core engine (sample generation, Docker sandboxes, eval harnesses, and the local API in zeneval_api/).

Install

pip install -e ".[api,agents,dev]"

Usage

Load SWE-bench Pro (cached under ~/.cache/zeneval, override with ZENEVAL_CACHE_DIR):

from zeneval.datasets import load

for sample in load("swe_bench_pro"):
    print(sample["data"]["instance_id"])

Convert SWE-bench Pro rows into ZenBench generator samples:

from zeneval.pipelines.swe_to_zenbench import SweToZenbenchPipeline

SweToZenbenchPipeline().run(limit=10)

Run generation/eval via the local API (also bundled in the desktop app):

zeneval-api

Package layout

Module Purpose
zeneval.zenbench Sample datatypes, generation agent, eval runner
zeneval_api FastAPI server used by the desktop app
zeneval.sandbox Docker sandbox + container registry
zeneval.harness Agent harness integrations (Cursor)
zeneval.providers LLM providers for generation
zeneval.pipelines Benchmark conversion pipelines
zeneval.datasets Optional upstream dataset loaders

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