AI agents invoke signin to trigger actions in Get Gather. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.
The tool name 'signin' implies triggering an authentication action in a remote browser environment, which constitutes an external operation/execution. No description is provided to clarify scope. Given the server context involves browser automation and sibling tools like 'amazon_ca_signin' suggest credential submission, this is at minimum an Execute-level action. Confidence is reduced due to the empty description.
From the tool's definition Tool name is 'signin'; description is empty or uninformative. Server context involves remote browser environment and actions through containerized service.
Documented attack patterns abuse exactly the kind of access signin gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Get Gather, and nothing reaches the server without passing your rules. This is the rule we recommend for signin:
{
"version": "1",
"default": "deny",
"tools": {
"signin": {
"limits": [
{
"counter": "signin_rate",
"window": "minute",
"max": 10,
"scope": "grant"
}
]
}
}
}signin stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
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signin. It is categorised as a Execute tool in the Get Gather MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Get Gather MCP server in PolicyLayer and add a rule for signin: 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 Get Gather. Nothing to install.
signin is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the signin 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 signin. 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.
signin is provided by the Get Gather MCP server (remotebrowser/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 62 Get Gather tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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62 Get Gather tools catalogued and risk-classified — across an index of 42,500+ MCP servers.