mcp_list_source

List all source files in MCP project

SERVERClaude C2 SOURCE0xyg3n/claude-c2

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/0xyg3n-claude-c2/mcp-list-source.md

WHAT IT DOES

What mcp_list_source does on Claude C2

AI agents call mcp_list_source to retrieve information from Claude C2 without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why mcp_list_source is rated Low

This tool performs a directory or file listing operation, which is a non-destructive query that returns information about source files. No data is created, modified, deleted, or executed.

From the tool's definition Tool name 'mcp_list_source' and description 'List all source files in MCP project' indicate a read-only operation that retrieves/enumerates files without modification or execution.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs mcp_list_source safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Claude C2, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For mcp_list_source, this is the rule to start with:

mcp_list_source Allowed

mcp_list_source is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Claude C2, apply this rule, and every mcp_list_source call is checked against it from then on.

FAQ

Questions about mcp_list_source

What does the mcp_list_source tool do? +

List all source files in MCP project. It is categorised as a Read tool in the Claude C2 MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on mcp_list_source? +

Register the Claude C2 MCP server in PolicyLayer and add a rule for mcp_list_source: 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 Claude C2. Nothing to install.

What risk level is mcp_list_source? +

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

Can I rate-limit mcp_list_source? +

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

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

mcp_list_source is provided by the Claude C2 MCP server (0xyg3n/claude-c2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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