crm_marketplace_has_funds
Check if a location has sufficient funds for a marketplace charge. Use before attempting to charge.
This record as markdown: /tools/io-github-0nork-0nmcp/crm-marketplace-has-funds.md
What crm_marketplace_has_funds does on 0nmcp
AI agents call crm_marketplace_has_funds to retrieve information from 0nmcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why crm_marketplace_has_funds is rated Low
This tool queries financial information (fund availability) but performs no state changes, no money movement, and no commitments. It is purely informational and designed to be called before a financial action. The 'check' verb and 'Use before attempting to charge' phrasing confirm it is a lookup/validation step, not the charge itself.
From the tool's definition Tool name 'crm_marketplace_has_funds' and description 'Check if a location has sufficient funds' indicate a read-only query operation that retrieves fund availability status without modifying state.
Attacks that exploit this kind of access
The rule that runs crm_marketplace_has_funds safely
PolicyLayer is an MCP gateway: it sits between your AI agents and 0nmcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For crm_marketplace_has_funds, this is the rule to start with:
crm_marketplace_has_funds is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect 0nmcp, apply this rule, and every crm_marketplace_has_funds call is checked against it from then on.
Questions about crm_marketplace_has_funds
Check if a location has sufficient funds for a marketplace charge. Use before attempting to charge. It is categorised as a Read tool in the 0nmcp MCP Server, which means it retrieves data without modifying state.
Register the 0n MCP server in PolicyLayer and add a rule for crm_marketplace_has_funds: 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 0nmcp. Nothing to install.
crm_marketplace_has_funds is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the crm_marketplace_has_funds 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 crm_marketplace_has_funds. 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.
crm_marketplace_has_funds is provided by the 0n MCP server (0nmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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