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-security-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-security-skill)<a href="https://agentmods.dev/skills/neo4j-contrib/neo4j-skills/neo4j-security-skill"><img src="https://agentmods.dev/badge/skills/neo4j-contrib/neo4j-skills/neo4j-security-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-security-skill"><img src="https://agentmods.dev/badge/skills/neo4j-contrib/neo4j-skills/neo4j-security-skill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk fail
- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Excessive Agency · line 38 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
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 | $0.00165 | $0.03617 |
| Opus 5 | $0.00082 | $0.01809 |
| Sonnet 5 | $0.00033 | $0.00723 |
| Haiku 4.5 | $0.00016 | $0.00362 |
Grade A, and why
neo4j-security-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 — 397 lines — stays where its author put it; the contents beside it link to each section on GitHub.
When to Use
- Creating, altering, suspending, or dropping users
- Creating roles, granting/revoking role membership
- Granting/denying/revoking graph, database, or DBMS privileges
- Inspecting current privileges (
SHOW PRIVILEGES) - Implementing property-level access control (read/write per property)
- Setting up ABAC rules against OIDC claims or native user tags
- Referencing LDAP/SSO auth provider configuration
When NOT to Use
- Writing Cypher queries against application data →
neo4j-cypher-skill - Cluster ops, backups, server config →
neo4j-cli-tools-skill - Driver connection setup →
neo4j-driver-*-skill
MCP Write Gate — MANDATORY
Before executing ANY of the following, show the planned command and wait for explicit confirmation:
CREATE USER/ALTER USER/DROP USERCREATE ROLE/DROP ROLEGRANT/DENY/REVOKE(any privilege)CREATE AUTH RULE/DROP AUTH RULE
Never auto-execute privilege changes. Show exact Cypher, annotate impact, get "yes".
Execution Context
All security Cypher runs against the system database:
// Neo4j auto-routes CREATE/ALTER/SHOW USER|ROLE|PRIVILEGE to system
// If using cypher-shell: cypher-shell -d system
// If using driver: use database="system"
1. User Management
Create user
CREATE USER alice SET PASSWORD 'secret' CHANGE NOT REQUIRED;
// CHANGE REQUIRED (default): forces password change on first login
// CHANGE NOT REQUIRED: password valid immediately
// SET STATUS ACTIVE (default) | SUSPENDED
Parameterised password (preferred in scripts)
CREATE USER $username SET PASSWORD $password CHANGE NOT REQUIRED;
Alter user
ALTER USER alice SET PASSWORD $newPw CHANGE NOT REQUIRED;
ALTER USER alice SET STATUS SUSPENDED; // lock account
ALTER USER alice SET STATUS ACTIVE; // unlock
ALTER USER alice SET HOME DATABASE mydb; // default db on connect
ALTER USER alice IF EXISTS SET PASSWORD $pw; // safe if missing
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 · 397 lines · 165 tokens per session scan A 0577f727839b
neo4j-security-skill is a skill published in the GitHub repository neo4j-contrib/neo4j-skills (109 stars, last pushed 5d ago), licensed MIT. It adds 165 tokens to every session and 3,617 once invoked, about $0.0008 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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