NVIDIA-NeMo/Curator

View on GitHub

Scalable data pre processing and curation toolkit for LLMs

Stars: 1.8k
Forks: 327
Open beginner issues: 0
Indexed issues: 134
Avg merge: 4d 5h
Merged PRs (30d): 30

Dominant language: Python
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

134 open issues indexed

Verify evals on Papers with Code Open

community-request waiting-on-maintainers

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

NVIDIA-NeMo/Curator#2397 · Opened Sep 14, 2026
split_large_files: RecursionError when a single parquet row exceeds the target size Open

community-request waiting-on-maintainers

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

NVIDIA-NeMo/Curator#2375 · Opened Sep 7, 2026
DocumentSplitter treats multi-character separators as regex (wrong splits, re.error crash on "++") Open

community-request waiting-on-maintainers

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

NVIDIA-NeMo/Curator#2374 · Opened Sep 7, 2026
[ALERT] Access to NVIDIA's Self-Hosted Runners is Expiring Open

nvidia-runners

Difficulty 4/5 3-5 days Newbie friendliness 35/100

NVIDIA-NeMo/Curator#2356 · Opened Aug 30, 2026
[Question/Discussion] The Architectural Intent Behind "Dynamo on Ray" and Future Support for Dynamo's Native Autoscaler Open

community-request enhancement waiting-on-customer

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

NVIDIA-NeMo/Curator#2331 · 1 comment · Opened Aug 25, 2026
Optional EvalPort interop for QualityClassifier scores Open

community-request waiting-on-maintainers

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

NVIDIA-NeMo/Curator#2329 · Opened Aug 22, 2026
Add support for third-party ASR providers Open

community-request enhancement waiting-on-maintainers

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

NVIDIA-NeMo/Curator#2313 · Opened Aug 14, 2026
Support more than 1 task type for stage outputs Open

enhancement

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

NVIDIA-NeMo/Curator#2245 · Opened Jul 23, 2026
Investigate `preview` vs `create` for `DataDesignerStage` Open

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

NVIDIA-NeMo/Curator#2190 · Opened Jul 9, 2026
xenna_grafana_dashboard.json missing from the wheel — Xenna Grafana dashboard is never provisioned Open

community-request waiting-on-customer

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

NVIDIA-NeMo/Curator#2189 · 5 comments · Opened Jul 9, 2026
[Docs IA] Modularize large workflow pages and multimodal synthetic navigation Open

documentation needs-follow-up

NVIDIA-NeMo/Curator#2159 · 1 assignee · Opened Jul 2, 2026
[Docs] Integrate 26.07 documentation PRs and stage the version train Open

documentation needs-follow-up r1.3.0

NVIDIA-NeMo/Curator#2160 · 1 assignee · Opened Jul 2, 2026
[Docs] Align global pipeline execution concepts with current backends Open

documentation needs-follow-up r1.3.0

NVIDIA-NeMo/Curator#2161 · 1 assignee · Opened Jul 2, 2026
[Docs] Repair audio API examples and add workflow selection guidance Open

documentation needs-follow-up r1.3.0

NVIDIA-NeMo/Curator#2162 · 1 assignee · Opened Jul 2, 2026
Expand inputs/outputs of a ProcessingStage to support more than 1 type of task/input Open

enhancement

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

NVIDIA-NeMo/Curator#2150 · 1 comment · Opened Jul 1, 2026
[Docs] Close late code-freeze docs and release-note gaps Open

documentation

NVIDIA-NeMo/Curator#2144 · 1 comment · 1 assignee · Opened Jun 30, 2026
[Docs] Document video caption-quality evaluation with Summarize-then-Align Open

documentation tutorials

NVIDIA-NeMo/Curator#2125 · 1 assignee · Opened Jun 29, 2026
[Docs] Add an audio tagging, quality-metrics, normalization, and LLM PnC guide Open

documentation tutorials

NVIDIA-NeMo/Curator#2123 · 1 assignee · Opened Jun 29, 2026
[Docs epic] Close post-v1.2.0 documentation gaps for 26.07 Open

documentation roadmap

NVIDIA-NeMo/Curator#2118 · 8 comments · 1 assignee · Opened Jun 29, 2026
UCX segfault during Ray shutdown on SLURM/Apptainer Open

bug community-request waiting-on-customer

Difficulty 4/5 3-5 days Newbie friendliness 35/100

NVIDIA-NeMo/Curator#2073 · 2 comments · Opened Jun 12, 2026
Optimize `merge_file_prefixes` for merging bin/idx files Open

enhancement

NVIDIA-NeMo/Curator#1979 · 1 assignee · Opened May 13, 2026
Support DocQA SDG curation pipeline Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

NVIDIA-NeMo/Curator#1906 · Opened May 1, 2026
ci: runtime_env tests exhaust /tmp on CPU runners due to Ray venv cloning Open

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

NVIDIA-NeMo/Curator#1775 · 2 comments · Opened Apr 8, 2026
RL-Trained LLM for End-to-End Data Recipe Generation Open

enhancement

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

NVIDIA-NeMo/Curator#1760 · Opened Apr 7, 2026
Optimize interleaved pipeline for numpy array buffer cache Open

enhancement

NVIDIA-NeMo/Curator#1759 · 1 assignee · Opened Apr 7, 2026
Scale-Dependent Semantic Deduplication Open

enhancement

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

NVIDIA-NeMo/Curator#1758 · Opened Apr 7, 2026
Cross-Source Agreement Quality Filter (MixMinHash) Open

enhancement

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

NVIDIA-NeMo/Curator#1757 · Opened Apr 7, 2026
Classifier-Calibration Audit (Data-Quality Illusion) Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 42/100

NVIDIA-NeMo/Curator#1750 · Opened Apr 6, 2026
DataEvolve — LLM-Agent-Driven Autonomous Curation Strategy Evolution Open

enhancement

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

NVIDIA-NeMo/Curator#1749 · Opened Apr 6, 2026
Consider adding size checks for in-memory DataFrames Open

enhancement

NVIDIA-NeMo/Curator#1747 · 1 assignee · Opened Apr 6, 2026
[Interleaved IO] Allow filter stages to propagate materialized binary content to downstream stages Open

enhancement

NVIDIA-NeMo/Curator#1725 · 1 comment · 1 assignee · Opened Apr 2, 2026
Model-Based HTML Extraction Open

enhancement

NVIDIA-NeMo/Curator#1723 · 3 comments · 1 assignee · Opened Apr 2, 2026
Separate Nemotron-Parse-specific utils from general PDF utils Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

NVIDIA-NeMo/Curator#1721 · 2 comments · Opened Apr 2, 2026
Centralize vLLM setup utilities across inference stages Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

NVIDIA-NeMo/Curator#1720 · Opened Apr 2, 2026
Dynamic Quality-Score-Based Soft Sampling Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 54/100

NVIDIA-NeMo/Curator#1719 · Opened Apr 1, 2026
Line-Level Quality Filtering Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 52/100

NVIDIA-NeMo/Curator#1718 · 1 comment · Opened Apr 1, 2026
Optimizer-Aware Dynamic Data Selection Open

enhancement

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

NVIDIA-NeMo/Curator#1717 · Opened Apr 1, 2026
Domain Distribution Analysis + Automatic Rebalancin Open

enhancement

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

NVIDIA-NeMo/Curator#1716 · Opened Apr 1, 2026
LLM-as-judge quality scorer Open

enhancement

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

NVIDIA-NeMo/Curator#1715 · Opened Apr 1, 2026
URL/Domain Blocklist Filter Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 52/100

NVIDIA-NeMo/Curator#1711 · Opened Apr 1, 2026
Perplexity Filter (KenLM) Open

enhancement

NVIDIA-NeMo/Curator#1710 · 2 comments · 2 assignees · Opened Apr 1, 2026
Cloud Storage Compatibility (fsspec) Throughout Open

enhancement

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

NVIDIA-NeMo/Curator#1709 · Opened Apr 1, 2026
vLLM worker crashes (SIGSEGV) during initialization on multi-node Ray clusters (8+ nodes) Open

bug

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

NVIDIA-NeMo/Curator#1672 · Opened Mar 26, 2026
Run tutorials on NeMo CI and on Nightly Test Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

NVIDIA-NeMo/Curator#1661 · Opened Mar 24, 2026
[26.04 POR] Benchmarking for Audio: stage-wise profiling across modalities Open

NVIDIA-NeMo/Curator#1651 · 1 assignee · Opened Mar 24, 2026
[POR 26.04] Audio curation (umbrella) Open

NVIDIA-NeMo/Curator#1650 · 1 comment · 1 assignee · Opened Mar 24, 2026
Support for Aegis 2.0 text classification Open

enhancement

NVIDIA-NeMo/Curator#1646 · 1 comment · 1 assignee · Opened Mar 23, 2026
NeMo Skills requests Open

community-request

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

NVIDIA-NeMo/Curator#1636 · Opened Mar 21, 2026
Fault Tolerance for all pipelines Open

enhancement

NVIDIA-NeMo/Curator#1635 · 1 assignee · Opened Mar 21, 2026
InferenceServer: expose server_kwargs to allow tuning ingress replicas Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

NVIDIA-NeMo/Curator#1621 · 2 comments · Opened Mar 18, 2026

NVIDIA-NeMo/Curator

Get new issues in your inbox