judge0
Open-source online code execution system that runs submitted code in a sandbox behind an HTTP JSON API.
Harness by judge0
Chalk Labs
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Install
From the package registry. Read the repository before you give any tool access to your data.
pip install judge0
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About
Use cases: testing, code-generation
Reviews
Write a reviewNo reviews yet. Installed it? Reviews come from verified installers only. How reviews work
Fact sheet
- Languages
- PythonREADME
- Packages
- judge0 (pypi)README
- Deploys to
- self-hosted, managed cloudREADME
- Maturity
- Stablegithub.com
Facts extracted by Claude Haiku 5.5 from the linked sources on Oct 24, 2026. Wrong fact? Tell us.
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Signals
- Stars
- 4,492
- Forks
- 944
- Open issues
- 171
- Weekly downloads
- 174
- Last commit
- Oct 18, 2026 (13 days ago)
- Last release
- Apr 18, 2024 (2 years ago)
- Last package publish
- Feb 6, 2026 (8 months ago)
From GitHub (fetched Oct 24, 2026) and the package registry.
Details
- Packages
- pypi
judge0 - License
- GPL-3.0
- Repository
- github.com/judge0/judge0
- Website
- judge0.com
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- READMEgithub-graphql
Done for you
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Chalk Labs scopes, builds and runs agents for your team: the task audit, the eval harness, the integrations and the weekly ops report. Fixed scope, priced before we start.
See how we build AI agents →Read the case studies
Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.
- launches shipped
- 50+
- launches shipped
- media placements
- 500+
- media placements
- founders on every account
- 2
- founders on every account
Press we've placed: Forbes · CoinDesk · Decrypt · Cointelegraph · The Block
Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.
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Cite this page
judge0. Agent Mart. https://agentmart.dev/harnesses/judge0 (last updated 2026-10-24)