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neo4j

33 indexed repositories · View on GitHub

neo4j
Graphs for Everyone

Java · 17245 stars
neo4j-graphrag-python
Neo4j GraphRAG for Python

Python · 1289 stars
neo4j-python-driver
Neo4j Bolt driver for Python

Python · 1049 stars
neo4j-javascript-driver
Neo4j Bolt driver for JavaScript

JavaScript · 917 stars
neo4j-browser
Neo4j Browser is the general purpose user interface for working with Neo4j. Query, visualize, administrate and monitor the database.

TypeScript · 830 stars
graph-data-science
Source code for the Neo4j Graph Data Science library of graph algorithms.

Java · 819 stars
neo4j-go-driver
Neo4j Bolt Driver for Go

Go · 555 stars
graphql
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations.

TypeScript · 550 stars
docker-neo4j
Docker Images for the Neo4j Graph Database

Shell · 383 stars
neo4j-ogm
Java Object-Graph Mapping Library for Neo4j

Java · 361 stars
neo4j-spark-connector
Neo4j Connector for Apache Spark, which provides bi-directional read/write access to Neo4j from Spark, using the Spark DataSource APIs

Scala · 324 stars
mcp
Neo4j official MCP Server

Go · 291 stars
graph-data-science-client
A Python client for the Neo4j Graph Data Science (GDS) library

Python · 247 stars
cypher-dsl
A Java DSL (Builder) for the Cypher Query Language

Java · 227 stars
apoc

Java · 216 stars
neo4j-jdbc
Official Neo4j JDBC Driver

Java · 155 stars
cypher-builder
A library for building Cypher queries for Neo4j programmatically.

TypeScript · 85 stars
helm-charts

Go · 80 stars
cypher-language-support
Neo4j's Cypher Language support

TypeScript · 52 stars
aura-cli
The Neo4j Aura Command Line Interface (CLI) is a powerful tool designed to simplify and streamline the management of your Neo4j Aura reso...

Go · 19 stars
13 more repositories live on View on GitHub

Beginner friendly Everything

Open All

[5.26 LTS] Upgrade Maven Plugin Tools to avoid plexus-archiver 4.6.3 Open

bug

Difficulty 1/5 Under an hour Newbie friendliness 88/100

neo4j/neo4j#13983 · Opened Sep 18, 2026
CypherExecution raises arraycopy internal error for a multi-component MATCH followed by OPTIONAL MATCH Open

bug

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

neo4j/neo4j#13981 · 1 comment · Opened Sep 16, 2026
Docs Feedback modules/ROOT/pages/indexes/semantic-indexes/full-text-indexes.adoc (ref: cypher-25) Open

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

neo4j/docs-cypher#1655 · Opened Sep 15, 2026
Astral-plane characters (emoji) shift diagnostic end offsets and can suppress semantic analysis entirely Open

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

neo4j/cypher-language-support#759 · Opened Sep 15, 2026
Docs Feedback modules/ROOT/pages/fleet-management/migration-to-aura.adoc (ref: console) Open

Difficulty 1/5 Under an hour Newbie friendliness 85/100

neo4j/docs-aura#1133 · Opened Sep 14, 2026
Publish a "thin" jar with real Maven dependencies instead of bundling them unrelocated Open

Spark

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

neo4j/neo4j-spark-connector#1155 · 1 comment · Opened Sep 11, 2026
db.schema.visualization() virtual nodes/relationships silently return null for their documented properties Open

bug Github Issue team-cypher

Difficulty 4/5 3-5 days Newbie friendliness 50/100

neo4j/neo4j#13976 · Opened Sep 11, 2026
Out-of-range literal in CREATE INDEX ... OPTIONS {indexConfig} raises 50N00 and echoes internal AST to the client Open

bug Github Issue team-cypher

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

neo4j/neo4j#13975 · Opened Sep 11, 2026
round() returns 9.223372036854776E18 (2^63) for any FLOAT with |value| ≥ 2^63 Open

bug Github Issue team-cypher

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

neo4j/neo4j#13974 · Opened Sep 11, 2026
Concurrent execution by using CALL { ... } IN TRANSACTION Open

bug team-kernel

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

neo4j/neo4j#13971 · 4 comments · Opened Sep 10, 2026
Expand StatefulShortestPath to FindShortestPaths specialization for simple QPP node groups Open

Github Issue team-cypher

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

neo4j/neo4j#13969 · Opened Sep 9, 2026
StatefulShortestPath: avoid redundant WALK tracing after target saturation Open

Github Issue team-cypher

neo4j/neo4j#13968 · 5 comments · 1 assignee · Opened Sep 9, 2026
Property value too large for a range index raises a 50N00 internal error, and SHOW INDEXES failureMessage leaks the full Java stack trace Open

bug team-index

Difficulty 4/5 3-5 days Newbie friendliness 42/100

neo4j/neo4j#13967 · Opened Sep 9, 2026
StatefulShortestPath: investigate history-depth-linear product-state lookup in FoundNodes Open

Github Issue team-cypher

neo4j/neo4j#13966 · 5 comments · 1 assignee · Opened Sep 5, 2026
List slice with end bound >= 2^31 raises 22N03 instead of clamping Open

bug Github Issue team-cypher

Difficulty 3/5 1-2 days Newbie friendliness 65/100

neo4j/neo4j#13965 · Opened Sep 5, 2026
Aura-hosted MCP OAuth flow does not provide a refresh token for long-lived proxy clients Open

enhancement

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

neo4j/mcp#333 · 1 comment · Opened Sep 2, 2026
`NEXT` followed by an identity subquery loses a preceding `LIMIT` Open

bug Github Issue team-cypher

neo4j/neo4j#13963 · 1 assignee · Opened Sep 1, 2026
db.index.vector.queryNodes leaks an internal ArithmeticException when numberOfNearestNeighbours exceeds Integer.MAX_VALUE Open

bug Github Issue

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

neo4j/neo4j#13961 · Opened Aug 30, 2026
range() with 2^31 or more elements: size() returns 0 and property storage silently truncates the list to its prefix Open

bug cypher Github Issue team-cypher

Difficulty 4/5 3-5 days Newbie friendliness 58/100

neo4j/neo4j#13957 · 1 comment · Opened Aug 30, 2026
duration() with oversized integer hours and fractional minutes silently overflows into a negative duration Open

bug cypher Github Issue team-cypher

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

neo4j/neo4j#13950 · 1 comment · Opened Aug 28, 2026
duration() with a component outside the long range leaks a raw NumberFormatException as 50N00 internal error Open

bug cypher Github Issue team-cypher

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

neo4j/neo4j#13948 · 1 comment · Opened Aug 28, 2026
[DOC]: OpenAILLM base_url is the /v1 root for OpenAI-compat hosts Open

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

neo4j/neo4j-graphrag-python#619 · 1 comment · Opened Aug 28, 2026
`groupBy` directive does not work in nested queries Open

enhancement

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

neo4j/graphql#7375 · 4 comments · Opened Aug 28, 2026
`CALL ... IN TRANSACTIONS` delete failures may surface internal `ExecutionFailed` instead of an ordinary delete error Open

bug Github Issue team-cypher

Difficulty 3/5 1-2 days Newbie friendliness 64/100

neo4j/neo4j#13947 · Opened Aug 26, 2026
Windows: Neo4j ignores an existing neo4j.conf when NEO4J_CONF contains Unicode characters Open

bug New joiner material team-kernel

neo4j/neo4j#13944 · 2 comments · 1 assignee · Opened Aug 26, 2026
Dynamic property-key expansion returns an extra row after MERGE ON MATCH SET Open

bug team-cypher

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

neo4j/neo4j#13942 · Opened Aug 24, 2026
Row-preserving subquery after NEXT USE causes preceding MERGE writes to execute twice Open

bug Github Issue team-cypher

neo4j/neo4j#13941 · 1 assignee · Opened Aug 23, 2026
SlottedRewriter loses a projected alias with duplicated nested COLLECT after NEXT USE Open

bug cypher Github Issue team-cypher

neo4j/neo4j#13940 · 1 assignee · Opened Aug 23, 2026
Impersonated user's home database lost after routing-table TTL expiry (regression since v5.28.0) Open

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

neo4j/neo4j-go-driver#704 · 1 reaction · Opened Aug 22, 2026
Pipelined runtime times out on a small nested COUNT query with CSV and relationship-vector search Open

2 Bug bug Fuzzy Bug Github Issue team-cypher

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

neo4j/neo4j#13937 · 1 comment · Opened Aug 22, 2026
`NEXT` followed by an identity subquery loses a preceding `LIMIT` Open

bug cypher Github Issue team-cypher

neo4j/neo4j#13936 · 1 assignee · Opened Aug 22, 2026
`allReduce()` inside an `EXISTS` property expression causes an internal planner error Open

2 Bug bug Github Issue team-cypher

Difficulty 4/5 3-5 days Newbie friendliness 56/100

neo4j/neo4j#13932 · 1 comment · Opened Aug 21, 2026
A 200-term AND chain hangs query compilation for minutes Open

bug cypher Github Issue team-cypher

Difficulty 4/5 3-5 days Newbie friendliness 50/100

neo4j/neo4j#13929 · Opened Aug 21, 2026
Deeply nested expressions raise an internal StackOverflowError and terminate the Bolt connection Open

bug cypher Github Issue team-cypher

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

neo4j/neo4j#13928 · 1 comment · Opened Aug 21, 2026
Dependency Dashboard Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

neo4j/cypher-language-support#728 · Opened Aug 19, 2026
Nested `LOAD CSV` planned inconsistently causing timeouts on some plans Open

2 Bug bug Github Issue team-cypher

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

neo4j/neo4j#13924 · Opened Aug 19, 2026
Nested property projection creates an invalid cached-property slot during query compilation Open

2 Bug bug Github Issue team-cypher

Difficulty 4/5 3-5 days Newbie friendliness 55/100

neo4j/neo4j#13923 · Opened Aug 19, 2026
@vector provider misconfiguration surfaces at query time, not schema build Open

bug confirmed

Difficulty 4/5 3-5 days Newbie friendliness 55/100

neo4j/graphql#7366 · Opened Aug 17, 2026
Correlated subquery with `WITH DISTINCT *` and a path/cartesian plan crashes with `Expected a sorted plan` Open

2 Bug bug Github Issue team-cypher

Difficulty 4/5 3-5 days Newbie friendliness 55/100

neo4j/neo4j#13915 · Opened Aug 15, 2026
[BUG]: VectorCypherRetriever uses deprecated db.index.vector.queryNodes on Aura 5.27 even though SEARCH works Open

bug

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

neo4j/neo4j-graphrag-python#601 · 2 comments · Opened Aug 12, 2026
VerifyBestPlan assertion for OPTIONAL variable-length path with correlated EXISTS projection Open

bug Fuzzy Bug Github Issue team-cypher

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

neo4j/neo4j#13908 · Opened Aug 8, 2026
Internal error when repeatedly updating and deleting vector-index results inside a subquery Open

bug Github Issue team-cypher

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

neo4j/neo4j#13904 · Opened Aug 6, 2026
Bolt-over-WebSocket handshake stops responding silently on 5.26.0 & native Bolt unaffected, recovers only after a process restart Open

team-drivers

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

neo4j/neo4j#13903 · Opened Aug 5, 2026
NodeVectorIndexSearch reports a missing slot for a valid query Open

2 Bug bug Github Issue team-cypher

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

neo4j/neo4j#13902 · Opened Aug 5, 2026
No way to attach caller-supplied metadata to extracted entity nodes Open

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

neo4j/neo4j-graphrag-python#588 · 1 comment · Opened Aug 3, 2026
NEXT piped query: CALL subquery importing WITH * and re-aliasing an imported variable throws an internal slot error Open

2 Bug bug Github Issue team-cypher

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

neo4j/neo4j#13901 · Opened Aug 3, 2026
Dependency Dashboard Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

neo4j/neo4j-graphrag-python#586 · Opened Aug 3, 2026
Correlated conditional subquery crashes with `Expected a sorted plan` for a two-key `ORDER BY` Open

2 Bug bug Fuzzy Bug Github Issue team-cypher

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

neo4j/neo4j#13900 · Opened Aug 2, 2026
SlottedRewriter cannot resolve a path variable in a nested COLLECT under UNION Open

2 Bug bug Github Issue team-cypher

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

neo4j/neo4j#13897 · Opened Aug 2, 2026
`Expected a sorted plan` after `NEXT` Open

2 Bug bug Github Issue team-cypher

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

neo4j/neo4j#13896 · Opened Aug 2, 2026

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