Search for specific MAGMA functions with fuzzy matching and signature lookup
AI agents call search_functions to retrieve information from MCP MAGMA Handbook Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a semantic search tool that queries a handbook/documentation database. It retrieves information about MAGMA functions without creating, modifying, deleting, or executing any code. The fuzzy matching and signature lookup are read-only query operations. No side effects are possible from searching documentation.
From the tool's definition Tool performs 'search for specific MAGMA functions with fuzzy matching and signature lookup' — a pure retrieval operation with no mutation, deletion, or execution capabilities. Returns documentation and function information only.
Attacks that exploit this kind of access
Search for specific MAGMA functions with fuzzy matching and signature lookup. It is categorised as a Read tool in the MCP MAGMA Handbook Server MCP Server, which means it retrieves data without modifying state.
Register the MCP MAGMA Handbook Server MCP server in PolicyLayer and add a rule for search_functions: 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 MCP MAGMA Handbook Server. Nothing to install.
search_functions 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 search_functions 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 search_functions. 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.
search_functions is provided by the MCP MAGMA Handbook Server MCP server (legenai/mcp-magma-handbook). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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