modify_code_section

Edit code in the active RStudio document

Modifies open source files

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

clauder-mcp Write Risk 4/5

// WHEN AI AGENTS USE THIS TOOL

AI agents use modify_code_section to create or modify resources in ClaudeR - RStudio MCP Server. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.

// WHY ENFORCE A POLICY ON MODIFY_CODE_SECTION

Without a policy, an AI agent could call modify_code_section repeatedly, creating or modifying resources faster than any human could review. Intercept's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach ClaudeR - RStudio MCP Server.

// RECOMMENDED POLICY

Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.

clauder-rstudio-mcp-server.yaml

tools:
  modify_code_section:
    rules:
      - action: allow
        rate_limit:
          max: 30
          window: 60

See the full ClaudeR - RStudio MCP Server policy for all 13 tools.

// DETAILS

Tool Name modify_code_section

Category Write

MCP Server ClaudeR - RStudio MCP Server MCP Server

Risk Level Medium

// MORE CLAUDER - RSTUDIO MCP SERVER TOOLS

Execute execute_r Execute execute_r_async Execute execute_r_with_plot Write connect_session Write create_task_list Write update_task_status Read get_active_document Read get_async_result

View all 13 tools →

// WHAT CAN GO WRONG

Agents calling write-class tools like modify_code_section have been implicated in these attack patterns. Read the full case and prevention policy for each:

Browse the full MCP Attack Database →

// OTHER WRITE TOOLS ACROSS MCP SERVERS

Other tools in the Write risk category across the catalogue. The same policy patterns (rate-limit, validate) apply to each.

AbraFlexi contact_create AbraFlexi contact_update AbraFlexi evidence_create AbraFlexi evidence_update AbraFlexi invoice_issued_update AbraFlexi invoice_received_create

// RELATED READING

// FAQ

What does the modify_code_section tool do? +

Edit code in the active RStudio document. It is categorised as a Write tool in the ClaudeR - RStudio MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on modify_code_section? +

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

What risk level is modify_code_section? +

modify_code_section is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit modify_code_section? +

Yes. Add a rate_limit block to the modify_code_section 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 modify_code_section completely? +

Set action: deny in the Intercept policy for modify_code_section. 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 modify_code_section? +

modify_code_section is provided by the ClaudeR - RStudio MCP Server MCP server (clauder-mcp). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.

modify_code_section

Enforce policies on ClaudeR - RStudio MCP Server