Fetch a blog post or page using the MCP HTTP-style contract.
AI agents call fetch to retrieve information from Contraption Company MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves existing blog content without side effects. It is a straightforward read operation analogous to HTTP GET. No data is created, modified, deleted, or executed. The worst case of misuse is accessing unintended blog posts, which has minimal blast radius given the public nature of blog content.
From the tool's definition Tool name is 'fetch' and description states it 'Fetch[es] a blog post or page' - a retrieval operation with no modification, deletion, or execution capability.
Attacks that exploit this kind of access
Fetch a blog post or page using the MCP HTTP-style contract. It is categorised as a Read tool in the Contraption Company MCP MCP Server, which means it retrieves data without modifying state.
Register the Contraption Company MCP server in PolicyLayer and add a rule for fetch: 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 Contraption Company MCP. Nothing to install.
fetch 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 fetch 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 fetch. 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.
fetch is provided by the Contraption Company MCP server (philipithomas/ghost-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.
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