MCP Tool Reference Low Risk

compare_database_schema

Show schema differences between branches

Part of the Neon MCP server. Enforce policies on this tool with Intercept, the open-source MCP proxy.

neondatabase/mcp-server-neon Other

WHEN AI AGENTS USE THIS TOOL

AI agents call compare_database_schema to perform operations in Neon. While the risk category is not fully classified, applying a rate limit gives you visibility into how often the tool is called and prevents unexpected bursts of activity from autonomous agents.

WHY ENFORCE A POLICY ON COMPARE_DATABASE_SCHEMA

Applying a policy to compare_database_schema gives you an audit trail of every call an AI agent makes. Even for low-risk tools, visibility into agent behaviour helps you debug issues, optimise workflows, and maintain compliance with your organisation's security requirements.

RECOMMENDED POLICY

Apply a rate limit to control usage and monitor for unexpected behaviour.

neon.yaml 
tools:
  compare_database_schema:
    rules:
      - action: allow
        rate_limit:
          max: 60
          window: 60

See the full Neon policy for all 29 tools.

DETAILS

Tool Name

compare_database_schema

Category

Other

MCP Server

Neon MCP Server

Risk Level

Low

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RELATED READING

FREQUENTLY ASKED QUESTIONS

What does the compare_database_schema tool do?

Show schema differences between branches. It is categorised as a Other tool in the Neon MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on compare_database_schema?

Add a rule in your Intercept YAML policy under the tools section for compare_database_schema. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the Neon MCP server.

What risk level is compare_database_schema?

compare_database_schema is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit compare_database_schema?

Yes. Add a rate_limit block to the compare_database_schema rule in your Intercept policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block compare_database_schema completely?

Set action: deny in the Intercept policy for compare_database_schema. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides compare_database_schema?

compare_database_schema is provided by the Neon MCP server (neondatabase/mcp-server-neon). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.

ENFORCE POLICIES ON NEON

Open source. One binary. Zero dependencies.

VIEW ON GITHUB Full Neon policy →