Create a persistent browser session (Starter+ plan required). The session keeps a live browser page open so you can reuse cookies, localStorage, and auth state across multiple take_screenshot or run_sequence calls. Pass the returned session_id to those tools. Sessions expire after 10 minutes of i...
Part of the Pagebolt server.
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AI agents use create_session to create or modify resources in Pagebolt. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call create_session repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Pagebolt.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"create_session": {
"limits": [
{
"counter": "create_session_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full Pagebolt policy for all 13 tools.
These attack patterns abuse exactly the kind of access create_session gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Create a persistent browser session (Starter+ plan required). The session keeps a live browser page open so you can reuse cookies, localStorage, and auth state across multiple take_screenshot or run_sequence calls. Pass the returned session_id to those tools. Sessions expire after 10 minutes of inactivity (hard cap: 30 minutes). Useful for AI agent workflows that log in once and then take multiple screenshots of authenticated pages.. It is categorised as a Write tool in the Pagebolt MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Pagebolt MCP server in PolicyLayer and add a rule for create_session: 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 Pagebolt. Nothing to install.
create_session is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the create_session 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 create_session. 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.
create_session is provided by the Pagebolt MCP server (pagebolt-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 13 Pagebolt tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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4,600+ MCP servers and 31,000+ tools scanned and risk-classified.