AI agents call getUserTimeline to retrieve information from X Com MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves user timeline data without altering state. It is a straightforward read operation with minimal blast radius if misused—worst case being unauthorized information disclosure of public or authorized user timeline data. No financial, destructive, or code execution implications.
From the tool's definition Tool name 'getUserTimeline' and description 'Get a user' indicate data retrieval with no modification. Server description confirms 'reading' is supported operation alongside write/delete operations.
Documented attack patterns abuse exactly the kind of access getUserTimeline gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and X Com MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for getUserTimeline:
{
"version": "1",
"default": "deny",
"tools": {
"getUserTimeline": {}
}
}getUserTimeline is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get a user. It is categorised as a Read tool in the X Com MCP Server MCP Server, which means it retrieves data without modifying state.
Register the X Com MCP Server MCP server in PolicyLayer and add a rule for getUserTimeline: 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 X Com MCP Server. Nothing to install.
getUserTimeline 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 getUserTimeline 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 getUserTimeline. 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.
getUserTimeline is provided by the X Com MCP Server MCP server (tiovikram/x.com-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from X Com MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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21 X Com MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.