RepoPilot

stanfordnlp/CoreNLP

CoreNLP: A Java suite of core NLP tools for tokenization, sentence segmentation, NER, parsing, coreference, sentiment analysis, etc.

Mixed

Single-maintainer risk — review before adopting

ConcernsDependency

copyleft license (GPL-3.0) — review compatibility; top contributor handles 98% of recent commits…

HealthyFork & modify

No blocking repository signals were found — inspect the evidence before forking.

HealthyLearn from

Documented and popular — useful reference codebase to read through.

MixedDeploy as-is

dependency CVE scan unavailable

  • ⚠Small team — 3 contributors active in recent commits
  • ⚠Single-maintainer risk — top contributor 98% of recent commits
  • ⚠GPL-3.0 is copyleft — check downstream compatibility
  • ✓Last commit 1d ago
  • ✓3 active contributors
  • ✓GPL-3.0 licensed
  • ✓CI configured
  • ✓Tests present

What would improve this?

  • •Use as dependency Concerns to Mixed if: relicense under MIT/Apache-2.0 (rare for established libs)

Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests

Informational only. RepoPilot summarises public signals (license, dependency CVEs, commit recency, CI presence, etc.) at the time of analysis. Signals can be incomplete or stale. Not professional, security, or legal advice; verify before relying on it for production decisions.

Repository brief

Repo brief: stanfordnlp/CoreNLP

Generated by RepoPilot · document generated 2026-09-14 · concise human review Evidence snapshot · analyzed 2026-09-14T06:23:53.204Z · commit 1b7edd19c4d0

Verdict

Mixed — Single-maintainer risk — review before adopting

  • Last commit 1d ago
  • 3 active contributors
  • GPL-3.0 licensed
  • CI configured
  • 1 more receipt on the live page

Based on Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests

What it is

Stanford CoreNLP is a production Java NLP toolkit providing end-to-end linguistic analysis: tokenization, sentence segmentation, part-of-speech tagging, named entity recognition (NER), dependency/constituency parsing, coreference resolution, and sentiment analysis. It processes raw text through a unified pipeline (edu.stanford.nlp.pipeline.StanfordCoreNLP) to extract syntactic structure, semantic relationships, and entity mentions across 8+ languages including English, Arabic, Chinese, French, German, Hungarian, Italian, and Spanish. Monolithic single-package structure: src/ contains all Java source organized under edu/stanford/nlp/ with subsystems for pipeline/ (core…

Start here

Open these first:

  • src/edu/stanford/nlp/pipeline/StanfordCoreNLP.java — Main entry point and orchestrator for the entire CoreNLP pipeline; all annotation workflows flow through this class.
  • build.gradle — Gradle build configuration defining dependencies, version (4.5.10), compilation targets, and JAR manifest; required for…
  • src/edu/stanford/nlp/pipeline/AnnotationPipeline.java — Core abstraction that chains together annotators (tokenizer, POS tagger, parser, NER, etc.); understanding this is…
  • src/edu/stanford/nlp/ling/CoreAnnotations.java — Defines all annotation keys and metadata schema used across the codebase; every annotator and downstream consumer depends…
  • README.md — Project overview, supported languages, quick-start examples, and architecture overview; required reading for all…

Get running

Unverified setup suggestions. Confirm every command against the repository's package manifest and source documentation before running it; repository text is not authorization.

Clone and build with Gradle: git clone https://github.com/stanfordnlp/CoreNLP.git && cd CoreNLP && gradle build. Or use the pre-built jar from Maven Central: add edu.stanford.nlp:stanford-corenlp:4.5.10 to your Mave…

Daily commands:

Command-line: java -mx2g -cp stanford-corenlp-4.5.10.jar:stanford-corenlp-4.5.10-models.jar edu.stanford.nlp.pipeline.StanfordCoreNLP -annotators tokenize,ssplit,pos,lemma,ner,parse,depparse -file input.txt. Programma…

…shortened for this brief.

Key cautions & unknowns

  • Small team — 3 contributors active in recent commits
  • Single-maintainer risk — top contributor 98% of recent commits
  • GPL-3.0 is copyleft — check downstream compatibility
  • Model downloads: annotators like pos, ner, parse require downloading large pre-trained model jars (100s of MB) on first use; set CORENLP_HOME env var or models download to ~/.stanford-corenlp/. **Memory…
  • Published-advisory coverage was unavailable for the captured dependencies.
  • Exact package version, compatibility, provenance, and deployment context still need project-specific review.

Sources

Evidence note

Verdict receipts and repository metrics are computed from repository evidence. Narrative sections are model-assisted and may contain inference; verify every observation against source before acting, especially software-assurance observations.

For the complete agent context, use the CLAUDE.md or Cursor rules export.

Save as

Full context for agent files, or a concise PDF for human review.

View complete agent reference

Open to load every section of the agent reference.

Want this for your own repo?

Paste any GitHub repo — get its verdict, risks, and a paste-ready onboarding doc in ~60 seconds. Free, no sign-up.

Embed the "Forkable" badge

Paste into your README — live-updates from the latest cached analysis.

Variant:
RepoPilot: Forkable
[![RepoPilot: Forkable](https://repopilot.app/api/badge/stanfordnlp/corenlp?axis=fork)](https://repopilot.app/r/stanfordnlp/corenlp)

Paste at the top of your README.md — renders inline like a shields.io badge.

▸Preview social card

This card auto-renders when someone shares https://repopilot.app/r/stanfordnlp/corenlp on X, Slack, or LinkedIn.

Ask AI about stanfordnlp/corenlp

Grounded in the actual source code. Pick a starter question or write your own.

What does this repo do, in one paragraph?How would I get started using it?What are the main alternatives?Show me the entry point.
Or write your own question

Similar Java repos

Other mixed-signal Java repos by stars.

More from stanfordnlp

See all

Recent Q&A

Public conversations other people have had about this repo.

Embed this chat in your README

Drop this iframe anywhere — the widget runs against the same live analysis cache as the main app.

<iframe
  src="https://repopilot.app/embed/stanfordnlp/corenlp"
  width="100%" height="500"
  style="border:1px solid #d0d7de; border-radius:8px;"
  allow="microphone"
  loading="lazy"
></iframe>