ollama_explain_code

THE RISK

Low Risk

Why ollama_explain_code needs a policy

This tool reads and analyzes code to produce explanations. It does not modify files, execute code, or perform any write operations. It is a read/query operation that returns informational output about code structure and behavior.

From the tool's definition "Explain how code works using Ollama" and "understand complex code sections, algorithms, or patterns" — purely analytical/explanatory with no side effects

Documented attack patterns abuse exactly the kind of access ollama_explain_code gives an agent:

POLICY

How to control ollama_explain_code

PolicyLayer is an MCP gateway — it sits between your AI agents and Ollama MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for ollama_explain_code:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "ollama_explain_code": {}
  }
}

ollama_explain_code is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Ollama MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Ollama MCP Server tools

Execute ollama_general_task Execute any general coding task using Ollama. Use this for tasks that don Execute ollama_fix_code Fix bugs or errors in code using Ollama. Provide the broken code and error details. Execute ollama_generate_code Generate code using Ollama. Use this for writing new functions, classes, or code snippets. Execute ollama_generate_code_with_context Generate code using Ollama with context from existing files. Reads reference files to unde Write ollama_refactor_code Refactor code to improve quality, readability, or structure using Ollama. Write ollama_write_tests Generate unit tests for code using Ollama. Read ollama_analyze_files Analyze multiple files together using Ollama. Useful for understanding relationships betwe Read ollama_explain_file Explain a file by path using Ollama. The MCP server reads the file directly, reducing toke

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about ollama_explain_code

What does the ollama_explain_code tool do? +

Explain how code works using Ollama. Use this to understand complex code sections, algorithms, or patterns. It is categorised as a Read tool in the Ollama MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on ollama_explain_code? +

Register the Ollama MCP Server MCP server in PolicyLayer and add a rule for ollama_explain_code: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Ollama MCP Server. Nothing to install.

What risk level is ollama_explain_code? +

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

Can I rate-limit ollama_explain_code? +

Yes. Add a rate_limit block to the ollama_explain_code rule in your PolicyLayer 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 ollama_explain_code completely? +

Set action: deny in the PolicyLayer policy for ollama_explain_code. 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 ollama_explain_code? +

ollama_explain_code is provided by the Ollama MCP Server MCP server (jadael/ollamaclaude). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Ollama MCP Server tool call.

Start from Ollama MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →