AI agents call get_default_cwd to retrieve information from Coding Tools MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves environment state (current working directory) without modifying, executing, or deleting anything. It has no side effects and returns information only. Classified as Read with low severity due to minimal security impact of exposing a directory path.
From the tool's definition Tool name 'get_default_cwd' indicates retrieval of the current working directory path. No description provided, but naming convention and sibling tools (list_dir, list_files, git_status) suggest read-only filesystem querying.
Documented attack patterns abuse exactly the kind of access get_default_cwd gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Coding Tools MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get_default_cwd:
{
"version": "1",
"default": "deny",
"tools": {
"get_default_cwd": {}
}
}get_default_cwd is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_default_cwd. It is categorised as a Read tool in the Coding Tools MCP MCP Server, which means it retrieves data without modifying state.
Register the Coding Tools MCP server in PolicyLayer and add a rule for get_default_cwd: 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 Coding Tools MCP. Nothing to install.
get_default_cwd is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_default_cwd 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.
Set action: deny in the PolicyLayer policy for get_default_cwd. 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.
get_default_cwd is provided by the Coding Tools MCP server (xytom/coding-tools-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 18 Coding Tools MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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18 Coding Tools MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.