neuron_login
Authenticate with Neuron. Three modes: 1. No args: Opens a browser URL for secure authorization (recommended — no credentials shared with AI) 2. token: Paste an MCP token from the Neuron dashboard 3. email+password: Legacy login (credentials visible to AI)
This record as markdown: /tools/io-github-conquext-neuron/neuron-login.md
What neuron_login does on Neuron
AI agents use neuron_login to create or update resources in Neuron, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Neuron environment.
Why neuron_login is rated Medium
An AI agent can call neuron_login faster than any human can review: one bad instruction and it creates or modifies resources in Neuron by the hundred, each call as confident as the last.
Attacks that exploit this kind of access
The rule that runs neuron_login safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Neuron, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For neuron_login, this is the rule to start with:
neuron_login 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 Neuron, apply this rule, and every neuron_login call is checked against it from then on.
Questions about neuron_login
Authenticate with Neuron. Three modes: 1. No args: Opens a browser URL for secure authorization (recommended — no credentials shared with AI) 2. token: Paste an MCP token from the Neuron dashboard 3. email+password: Legacy login (credentials visible to AI). It is categorised as a Write tool in the Neuron MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Neuron MCP server in PolicyLayer and add a rule for neuron_login: 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 Neuron. Nothing to install.
neuron_login 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 neuron_login 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 neuron_login. 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.
neuron_login is provided by the Neuron MCP server (neuron-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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