create_stream
Create a new realtime analytics stream
This record as markdown: /tools/coder-rl-claude-mcpserver-dev1/create-stream.md
What create_stream does on Claude MCP Server Ecosystem
AI agents use create_stream to create or update resources in Claude MCP Server Ecosystem, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Claude MCP Server Ecosystem environment.
Why create_stream is rated Medium
This tool creates a new analytics stream, which is a write operation that modifies system state by instantiating a new data pipeline. It is reversible (the stream can be deleted), so it does not qualify as Destructive. It does not execute arbitrary code or trigger external side effects dependent on arguments (Execute category), nor does it involve financial transactions.
From the tool's definition Tool name 'create_stream' and description 'Create a new realtime analytics stream' indicate data creation/initialization of a streaming resource.
Attacks that exploit this kind of access
The rule that runs create_stream safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Claude MCP Server Ecosystem, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_stream, this is the rule to start with:
create_stream 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Claude MCP Server Ecosystem, apply this rule, and every create_stream call is checked against it from then on.
Questions about create_stream
Create a new realtime analytics stream. It is categorised as a Write tool in the Claude MCP Server Ecosystem MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Claude MCP Server Ecosystem MCP server in PolicyLayer and add a rule for create_stream: 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 Claude MCP Server Ecosystem. Nothing to install.
create_stream 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_stream 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_stream. 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_stream is provided by the Claude MCP Server Ecosystem MCP server (coder-rl/claude_mcpserver_dev1). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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