Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add neo4j-contrib/neo4j-skills --skill neo4j-genai-plugin-skillgit clone --depth 1 https://github.com/neo4j-contrib/neo4j-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/neo4j-contrib/neo4j-skills/neo4j-genai-plugin-skill)<a href="https://agentmods.dev/skills/neo4j-contrib/neo4j-skills/neo4j-genai-plugin-skill"><img src="https://agentmods.dev/badge/skills/neo4j-contrib/neo4j-skills/neo4j-genai-plugin-skill/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/neo4j-contrib/neo4j-skills/neo4j-genai-plugin-skill"><img src="https://agentmods.dev/badge/skills/neo4j-contrib/neo4j-skills/neo4j-genai-plugin-skill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
- NVIDIA SkillSpector pass
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00195 | $0.03343 |
| Opus 5 | $0.00097 | $0.01672 |
| Sonnet 5 | $0.00039 | $0.00669 |
| Haiku 4.5 | $0.00019 | $0.00334 |
Grade A, and why
neo4j-genai-plugin-skill scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 13d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 340 lines — stays where its author put it; the contents beside it link to each section on GitHub.
When to Use
- Generating embeddings inside Cypher without external Python (
ai.text.embed()) - Batch-embedding nodes/chunks during ingestion (
ai.text.embedBatch()) - Calling LLMs directly in Cypher for completions or GraphRAG (
ai.text.completion()) - Extracting structured JSON maps from LLM inside Cypher (
ai.text.structuredCompletion()) - Aggregating LLM summaries over grouped rows (
ai.text.aggregateCompletion()) - Stateful chat sessions in Cypher (
ai.text.chat()) - Counting tokens or chunking text by token limit (
ai.text.tokenCount(),ai.text.chunkByTokenLimit())
When NOT to Use
- Python-based GraphRAG pipelines (VectorCypherRetriever, HybridCypherRetriever) →
neo4j-graphrag-skill - Vector index CREATE / kNN search / SEARCH clause →
neo4j-vector-index-skill - GDS embeddings (FastRP, Node2Vec) →
neo4j-gds-skill - Fulltext / keyword search →
neo4j-cypher-skill
Prerequisites
CYPHER 25 required for all ai.* functions. Two ways to enable:
// Per-query prefix (self-managed, no admin rights needed):
CYPHER 25 MATCH (n:Chunk) ...
// Per-database default (admin; applies to all sessions):
ALTER DATABASE neo4j SET DEFAULT LANGUAGE CYPHER 25
Installation:
- Aura: GenAI plugin enabled by default — no action needed
- Self-managed JAR: copy plugin JAR to
plugins/directory - Docker:
--env NEO4J_PLUGINS='["genai"]'
Provider Config Quick Reference
All ai.text.* functions accept a configuration :: MAP as last argument.
| Provider string | Required keys | Notes |
|---|---|---|
'openai' |
token, model |
token = OpenAI API key |
'azure-openai' |
token, resource, model |
token = OAuth2 bearer; resource = Azure resource name |
'vertexai' |
model, project, region, token or apiKey |
publisher defaults to 'google' |
'bedrock-titan' |
model, region, accessKeyId, secretAccessKey |
Embedding only |
'bedrock-nova' |
model, region, accessKeyId, secretAccessKey |
Completion only |
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 13d ago First seen · 340 lines · 195 tokens per session scan A d2bdca8f37f6
neo4j-genai-plugin-skill is a skill published in the GitHub repository neo4j-contrib/neo4j-skills (109 stars, last pushed 5d ago), licensed MIT. It adds 195 tokens to every session and 3,343 once invoked, about $0.0010 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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