read_skill_document
AI agents call read_skill_document to retrieve information from Claude Skills without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and reads skill documentation, performing a query/fetch operation with no side effects. While the description is empty, the name is clear and consistent with the server's stated purpose of 'discovering relevant Claude Agent Skills.' No data creation, modification, deletion, or external command execution is implied. Blast radius is minimal.
From the tool's definition Tool name 'read_skill_document' indicates retrieval of documentation/data with no modification. Part of a skills discovery server alongside 'find_helpful_skills' and 'list_skills', all of which are data retrieval operations.
Attacks that exploit this kind of access
read_skill_document. It is categorised as a Read tool in the Claude Skills MCP Server, which means it retrieves data without modifying state.
Register the Claude Skills MCP server in PolicyLayer and add a rule for read_skill_document: 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 Skills. Nothing to install.
read_skill_document 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 read_skill_document 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 read_skill_document. 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.
read_skill_document is provided by the Claude Skills MCP server (k-dense-ai/claude-skills-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →