This record as markdown: /tools/0xchamin-mcptube/wiki-show.md
What wiki_show does on Mcptube Vision
AI agents call wiki_show to retrieve information from Mcptube Vision without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why wiki_show is rated Low
This tool retrieves and displays existing wiki content without creating, modifying, deleting, or executing anything. It is purely informational access to stored knowledge base pages. The blast radius of misuse is minimal—an agent could only over-query or access unintended pages, which poses no risk of data loss or system compromise.
From the tool's definition Tool name 'wiki_show' and description 'Read a specific wiki page in full' clearly indicate a retrieval operation with no modification capability.
Attacks that exploit this kind of access
The rule that runs wiki_show safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcptube Vision, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For wiki_show, this is the rule to start with:
wiki_show 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 Mcptube Vision, apply this rule, and every wiki_show call is checked against it from then on.
Questions about wiki_show
Read a specific wiki page in full. It is categorised as a Read tool in the Mcptube Vision MCP Server, which means it retrieves data without modifying state.
Register the Mcptube Vision MCP server in PolicyLayer and add a rule for wiki_show: 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 Mcptube Vision. Nothing to install.
wiki_show 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 wiki_show 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 wiki_show. 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.
wiki_show is provided by the Mcptube Vision MCP server (0xchamin/mcptube). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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