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SWE-agent — let an agent work from GitHub issues to repository fixes

OSS scale score 267.5OSS health 78Update pace 0 commits/30d
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Stars
20,369
Primary language
Python
License
MIT
Repository last updated
Sep 14, 2026

Overview

SWE-agent is a software engineering agent that takes a GitHub issue, lets an LLM inspect and modify a repository with tools, and attempts to produce a validated fix, with strong use in SWE-bench research workflows.

Features and best fit

Based on official documentation; not hands-on tested · Content checked:

Let an agent inspect, edit, and validate a repository from an issue

The LLM can use shell and editing tools to move from issue understanding through code changes and validation.

Sources: [2][3]

Configure behavior in YAML and apply it to benchmarks

Agent behavior can be configured and reused across SWE-bench and custom coding tasks.

Sources: [2][3]

For research, evaluation, and reproducible experiments with coding agents

It is useful for studying how agent interfaces, tools, and prompts affect performance on real repositories.

Sources: [2]

Compare mini-SWE-agent for any new adoption

The README says most active development moved to mini-SWE-agent and recommends it going forward. Treat SWE-agent as an important existing system and comparison point.

Sources: [2]

Official sources

  1. [1]SWE-agent/SWE-agent repository(2026-09-20)
  2. [2]SWE-agent README(2026-09-20)
  3. [3]SWE-agent documentation(2026-09-20)
  4. [4]SWE-agent MIT license(2026-09-20)
Supplemental curator note

SWE-agent is a prominent research agent for turning GitHub issues into repository-level fixes, but its README now states that most current development has moved to `mini-swe-agent` and recommends the newer project going forward. New evaluations should compare both.

Try it in 3 steps

  1. 1

    Get the source

    git clone --depth 1 https://github.com/SWE-agent/SWE-agent.git
  2. 2

    Enter the repository

    cd SWE-agent
  3. 3

    Check the official steps

    Continue with the commands in the README Installation, Quick Start, or Getting Started section.

    find . -maxdepth 1 -iname 'README*' -exec sed -n '1,220p' {} \; -quit
Check the official README

Growth

Growth trends · Last 30 days

20,369 Stars

Trend data is still being collected.

Development activity

Last 90 days · weekly

Commits (last 30 days)
0
Open PRs
71

Development activity is still being collected.

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GitHub data

GitHub dataView detailed GitHub data
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GitHub Topics

  • agent
  • ai
  • developer-tools
  • llm
  • agent-based-model
  • lms
  • cybersecurity
Stars
20,369
Forks
2,230
Watchers
112
Open issues
45
Contributors
97
Primary language
Python
License
MIT
Repository last updated
Sep 14, 2026
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