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mcp-neo4j-cypher

mcp-neo4j-cypher is an MCP server for Claude Code, Codex, Cursor, Gemini CLI, OpenCode from neo4j-contrib/mcp-neo4j. Its token cost is not measured, scanned A, original, MIT.

A connection between a coding agent and Neo4j, a database designed for linked information such as people, systems, and relationships. It lets the agent send Cypher, Neo4j’s query language, to that database.

In plain words
What is it for?
Use it to run Cypher queries against a local Neo4j database, with settings for the database, timeouts, response size, schema sampling, and read-only access.
Why use it?
It provides a defined way to inspect or query graph data without building a custom connection each time.

MCP server for Claude CodeCodexCursorGemini CLIOpenCode

Written for no agent in particular: it speaks MCP, so any client can run it.

One of 4 entries in server.json upstream. Installing this one merges just its entry into your config; the other 3 are separate, each on its own page.

not rated 980repo 3d ago A scan Socket: warn tokens not measured original MIT

Good fit Use it to run Cypher queries against a local Neo4j database, with settings for the database, timeouts, response size, schema sampling, and read-only access.

Compare 6 mcp servers from other repositories ↓
Install with agentmods
npx agentmods add mcp/neo4j-contrib/mcp-neo4j/mcp-neo4j-cloud-aura-api-mcp-neo4j-cypher
View source ↗ neo4j-contrib/mcp-neo4j neo4j.com
Install

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.

Clone the repo
git clone --depth 1 https://github.com/neo4j-contrib/mcp-neo4j

Made for: Claude Code, Codex, Cursor, Gemini CLI, OpenCode.

Wrote 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.

agentmods badge for mcp-neo4j-cypher

README.md
[![agentmods](https://agentmods.dev/badge/mcp/neo4j-contrib/mcp-neo4j/mcp-neo4j-cloud-aura-api-mcp-neo4j-cypher/github.svg)](https://agentmods.dev/mcp/neo4j-contrib/mcp-neo4j/mcp-neo4j-cloud-aura-api-mcp-neo4j-cypher)
Your own site
<a href="https://agentmods.dev/mcp/neo4j-contrib/mcp-neo4j/mcp-neo4j-cloud-aura-api-mcp-neo4j-cypher"><img src="https://agentmods.dev/badge/mcp/neo4j-contrib/mcp-neo4j/mcp-neo4j-cloud-aura-api-mcp-neo4j-cypher/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.

agentmods 80×15 button for mcp-neo4j-cypher

Your own site · 80×15
<a href="https://agentmods.dev/mcp/neo4j-contrib/mcp-neo4j/mcp-neo4j-cloud-aura-api-mcp-neo4j-cypher"><img src="https://agentmods.dev/badge/mcp/neo4j-contrib/mcp-neo4j/mcp-neo4j-cloud-aura-api-mcp-neo4j-cypher.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits How audits are shown
Origin original No closer match found in the catalogue.
Security

Grade A, and why

mcp-neo4j-cypher 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.

servers/mcp-neo4j-cloud-aura-api/server.json · 19 lines

What it actually says

{
  "mcp-neo4j-cypher": {
    "command": "uvx",
    "args": [
      "mcp-neo4j-cypher"
    ],
    "env": {
      "NEO4J_URI": "",
      "NEO4J_USERNAME": "",
      "NEO4J_PASSWORD": "",
      "NEO4J_DATABASE": "",
      "NEO4J_NAMESPACE": "",
      "NEO4J_RESPONSE_TOKEN_LIMIT": "",
      "NEO4J_READ_TIMEOUT": "",
      "NEO4J_READ_ONLY": "",
      "NEO4J_SCHEMA_SAMPLE_SIZE": ""
    }
  }
}
Same file

What else server.json configures

This page is one entry in a file that holds 4. Installing the file brings all of them; each is measured and scanned on its own page.

Changes

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.

  1. 13d ago First seen · 19 lines scan A eed7155dd93d

Subscribe to this mod's changes

mcp-neo4j-cypher is an MCP server published in the GitHub repository neo4j-contrib/mcp-neo4j (980 stars, last pushed 3d ago), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. 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.

Databasesmcpmcp-serverneo4jstdio
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