Generate a build.zig.zon file for dependency management
AI agents use generate_build_zon to create or update resources in Zig MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Zig MCP Server environment.
This tool creates/generates a new file (build.zig.zon) in the project, modifying the development environment's dependency configuration. It is reversible (the file can be deleted or edited), so it is Write rather than Destructive.
From the tool's definition Tool name 'generate_build_zon' and description 'Generate a build.zig.zon file' indicate file creation. The build.zon file is a Zig dependency manifest that would be written to disk.
Documented attack patterns abuse exactly the kind of access generate_build_zon gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Zig MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for generate_build_zon:
{
"version": "1",
"default": "deny",
"tools": {
"generate_build_zon": {
"limits": [
{
"counter": "generate_build_zon_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}generate_build_zon 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.
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Generate a build.zig.zon file for dependency management. It is categorised as a Write tool in the Zig MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Zig MCP Server MCP server in PolicyLayer and add a rule for generate_build_zon: 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 Zig MCP Server. Nothing to install.
generate_build_zon 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 generate_build_zon 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 generate_build_zon. 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.
generate_build_zon is provided by the Zig MCP Server MCP server (opensvm/zig-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 7 Zig MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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7 Zig MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.