neuron_join_campaign
Join a marketplace campaign as a participant to earn rewards by sending messages through your WhatsApp channel.
This record as markdown: /tools/io-github-conquext-neuron/neuron-join-campaign.md
What neuron_join_campaign does on Neuron
AI agents use neuron_join_campaign 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.
| Parameter | Type | Required | Description |
|---|---|---|---|
id | string | Yes | Unique identifier (UUID) of the campaign to join |
channelId | string | Yes | Unique identifier (UUID) of your WhatsApp channel to send messages from |
Parameters from the server's own tool schema.
Why neuron_join_campaign is rated Medium
This tool enrolls a WhatsApp bot into a campaign, creating a new association/record and triggering automated message sending that could generate financial rewards. While not immediately transferring money (which would be Financial), it does create write-level changes to campaign participation state and initiates a mechanism for financial reward accrual.
From the tool's definition Tool description states 'Join a marketplace campaign as a participant' which creates/modifies enrollment data.
Attacks that exploit this kind of access
The rule that runs neuron_join_campaign 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_join_campaign, this is the rule to start with:
neuron_join_campaign 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_join_campaign call is checked against it from then on.
Questions about neuron_join_campaign
Join a marketplace campaign as a participant to earn rewards by sending messages through your WhatsApp channel. 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.
neuron_join_campaign accepts 2 parameters: id, channelId. Required: id, channelId. The full parameter table on this page comes from the server's own tool schema.
Register the Neuron MCP server in PolicyLayer and add a rule for neuron_join_campaign: 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_join_campaign 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_join_campaign 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_join_campaign. 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_join_campaign 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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