AI agents use create_session to create or update resources in WeKnora MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your WeKnora MCP Server environment.
Creating a session is a reversible data creation operation that modifies application state by adding a new session object to the system. It does not execute arbitrary code, delete data irreversibly, move money, or read existing data without side effects. This clearly fits the Write category (create, update, post, upload).
From the tool's definition Tool name is 'create_session' and description states 'Create a new chat session'. This action creates a new session resource, which is a reversible write operation (sessions can be deleted as evidenced by the 'delete_session' sibling tool).
Documented attack patterns abuse exactly the kind of access create_session gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and WeKnora MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for create_session:
{
"version": "1",
"default": "deny",
"tools": {
"create_session": {
"limits": [
{
"counter": "create_session_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}create_session stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
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Create a new chat session. It is categorised as a Write tool in the WeKnora MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the WeKnora MCP Server 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 WeKnora MCP Server. 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 WeKnora MCP Server MCP server (nannaolympicbroadcast/weknoramcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from WeKnora 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 WeKnora MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.