get_tool
Fetch one registered ecosystem tool by id or slug, including trust profile and usage stats.
This record as markdown: /tools/404-directory/get-tool.md
What get_tool does on 404 Directory
AI agents call get_tool to retrieve information from 404 Directory without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_tool is rated Low
Retrieves tool metadata and statistics without modifying or executing anything.
From the tool's definition Fetch one registered ecosystem tool by id or slug, including trust profile
Attacks that exploit this kind of access
The rule that runs get_tool safely
PolicyLayer is an MCP gateway: it sits between your AI agents and 404 Directory, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_tool, this is the rule to start with:
get_tool is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect 404 Directory, apply this rule, and every get_tool call is checked against it from then on.
Questions about get_tool
Fetch one registered ecosystem tool by id or slug, including trust profile and usage stats. It is categorised as a Read tool in the 404 Directory MCP Server, which means it retrieves data without modifying state.
Register the 404 Directory MCP server in PolicyLayer and add a rule for get_tool: 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 404 Directory. Nothing to install.
get_tool 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_tool 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_tool. 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_tool is provided by the 404 Directory MCP server (MM-sheng/404-directory). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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