Get optimal swap quote via Charisma vault routing
AI agents call charisma_get_quote to retrieve information from Stacks AI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries swap quotes, which is a read-only operation that retrieves data for informational purposes. It has no side effects—it does not execute trades, move funds, or modify blockchain state. The 'get' verb and 'quote' terminology confirm it is a query/retrieval function.
From the tool's definition Tool name 'charisma_get_quote' and description 'Get optimal swap quote via Charisma vault routing' indicate a retrieval operation that returns pricing/routing information without executing transactions or modifying state.
Attacks that exploit this kind of access
Get optimal swap quote via Charisma vault routing. It is categorised as a Read tool in the Stacks AI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Stacks AI MCP Server MCP server in PolicyLayer and add a rule for charisma_get_quote: 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 Stacks AI MCP Server. Nothing to install.
charisma_get_quote 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 charisma_get_quote 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 charisma_get_quote. 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.
charisma_get_quote is provided by the Stacks AI MCP Server MCP server (stack-ai-mcp/stacks-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
charisma_get_quote is one line of Stacks AI MCP Server's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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