ossf/oss-crs

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Cyber Reasoning Systems for Bug-Finding and Patching in Open Source Software

Stars: 158
Forks: 32
Open beginner issues: 0
Indexed issues: 32
Avg merge: 7h 43m
Merged PRs (30d): 5

Dominant language: Python
License: MIT
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

Beginner friendly Everything

Open All

32 open issues indexed

Add MCP tool server support Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ossf/oss-crs#372 · 2 comments · Opened Aug 31, 2026
docs: propose a macOS / Apple Silicon setup FAQ Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

ossf/oss-crs#369 · 2 comments · 1 reaction · Opened Aug 24, 2026
oss-crs-litellm healthcheck can fail before the CRS's litellm proxy finishes real-world startup, aborting the run Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

ossf/oss-crs#367 · Opened Aug 22, 2026
Integrate Google Mantis Skills as CRSs Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ossf/oss-crs#337 · Opened Jul 27, 2026
Reproduce command Open

ossf/oss-crs#330 · 1 assignee · Opened Jul 22, 2026
Documentation Cleanup Open

ossf/oss-crs#328 · 1 assignee · Opened Jul 21, 2026
Offline libCRS Python API Install Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ossf/oss-crs#322 · Opened Jul 16, 2026
Local CRS Support Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ossf/oss-crs#311 · Opened Jul 10, 2026
Bug-Candidate Interface Open

ossf/oss-crs#310 · 3 comments · 1 assignee · Opened Jul 10, 2026
Add ability to export and import artifacts to run OSS-CRS in Offline Environment Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ossf/oss-crs#280 · 1 comment · Opened Jun 18, 2026
Reduce logs printed to terminal UI after run finishes Open

enhancement help wanted

Difficulty 3/5 1-2 days Newbie friendliness 48/100

ossf/oss-crs#256 · 2 comments · Opened Jun 5, 2026
Intra-CRS inter-project cross-run artifact Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ossf/oss-crs#255 · Opened Jun 5, 2026
Integrate Anthropic's Defending Code Harness Open

help wanted

Difficulty 5/5 Over a week Newbie friendliness 35/100

ossf/oss-crs#254 · 6 comments · Opened Jun 5, 2026
Fallback resolvers for OSS_CRS_TARGET_SOURCE Open

priority:low

Difficulty 5/5 Over a week Newbie friendliness 38/100

ossf/oss-crs#233 · Opened May 26, 2026
Create an AI Policy for Contributions Open

ossf/oss-crs#216 · 5 comments · 1 assignee · Opened May 18, 2026
Snapshot should not fail upon build-target container non-zero exit Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

ossf/oss-crs#182 · Opened Apr 30, 2026
podman compatibility Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ossf/oss-crs#181 · 4 comments · Opened Apr 29, 2026
proposal: support sequential dependencies in CRS ensemble Open

proposal

Difficulty 5/5 Over a week Newbie friendliness 30/100

ossf/oss-crs#164 · 2 comments · Opened Apr 3, 2026
feat(registry): support pinning CRS versions by tag Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

ossf/oss-crs#147 · 3 comments · Opened Mar 23, 2026
feat(registry): add description field and interactive compose generation Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ossf/oss-crs#145 · 2 comments · Opened Mar 22, 2026
Support `docker-container` as the Buildx driver for local OSS-CRS workflows Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

ossf/oss-crs#142 · Opened Mar 20, 2026
Improve atlantis-multilang Open

ossf/oss-crs#138 · 1 comment · 1 assignee · Opened Mar 20, 2026
inotify exhausted under large parallel campaigns Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ossf/oss-crs#130 · Opened Mar 17, 2026
Proposal (ensemble): coverage-aware seed exchange for multi-CRS ensemble Open

proposal

ossf/oss-crs#103 · 2 comments · 1 reaction · 1 assignee · Opened Mar 4, 2026
Docker image OS tag mismatch bug Open

priority:high

ossf/oss-crs#101 · 2 comments · 2 assignees · Opened Mar 3, 2026
Epic: Port New CRSs to OSS-CRS Format (Wave 1) Open

ossf/oss-crs#100 · 2 comments · 1 assignee · Opened Mar 2, 2026
proposal: expose target build options (engine, sanitizer, architecture) to users Open

proposal question

Difficulty 5/5 Over a week Newbie friendliness 25/100

ossf/oss-crs#86 · 1 comment · Opened Feb 21, 2026
Setting up pipeline for ensembling effectiveness report generation (CI/PR) Open

ossf/oss-crs#74 · 1 assignee · Opened Feb 19, 2026
Proposal: Measuring Ensembling Effectiveness Throughout CRS Integration Open

proposal

ossf/oss-crs#72 · 12 comments · 1 assignee · Opened Feb 19, 2026
feat(bug-finding): warn users if resource config conflicts with actual machine resources Open

good first issue

Difficulty 3/5 1-2 days Newbie friendliness 55/100

ossf/oss-crs#49 · 2 comments · Opened Jan 26, 2026
feat(crs): Implement `check` command for CRS validation Open

ossf/oss-crs#44 · 1 assignee · Opened Jan 26, 2026
feat(crs): Refine oss-crs format and refactor based on the new format Open

ossf/oss-crs#41 · 1 reaction · 1 assignee · Opened Jan 26, 2026

ossf/oss-crs

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