Medium Risk

rename_symbol

Rename a symbol with VSCode F2 ability Advantages over search and replace: - Faster - More accurate - Automatically updates imports and reference locations **Important Notes:** - Some symbols may not be renameable (e.g., built-in types, external libraries)

Accepts file system path (filePath)

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

AI agents use rename_symbol to create or modify resources in Vscode. 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.

Without a policy, an AI agent could call rename_symbol 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 Vscode.

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

vscode.yaml
tools:
  rename_symbol:
    rules:
      - action: allow
        rate_limit:
          max: 30
          window: 60

See the full Vscode policy for all 8 tools.

Tool Name rename_symbol
Category Write
MCP Server Vscode MCP Server
Risk Level Medium
What does the rename_symbol tool do? +

Rename a symbol with VSCode F2 ability Advantages over search and replace: - Faster - More accurate - Automatically updates imports and reference locations **Important Notes:** - Some symbols may not be renameable (e.g., built-in types, external libraries). It is categorised as a Write tool in the Vscode MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on rename_symbol? +

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

What risk level is rename_symbol? +

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

Can I rate-limit rename_symbol? +

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

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

rename_symbol is provided by the Vscode MCP server (@vscode-mcp/vscode-mcp-server). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policies on Vscode

Open source. One binary. Zero dependencies.

npx -y @policylayer/intercept
github.com/policylayer/intercept →
// GET IN TOUCH

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