Create new files in a git repository. Use this when you need to:\n\n
AI agents use create_files to create or update resources in Aider MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Aider MCP Server environment.
Creating new files is a reversible write operation. Files can be deleted or their contents modified later. The severity is medium rather than high because the blast radius is limited to filesystem changes within a repository (not system-wide), and the changes are auditable through git history. The confidence is high because the tool's purpose is unambiguous from both name and description.
From the tool's definition Tool name is 'create_files' and description states it can 'Create new files in a git repository.' This is explicitly a write operation that modifies the filesystem by adding new content.
Documented attack patterns abuse exactly the kind of access create_files gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Aider MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for create_files:
{
"version": "1",
"default": "deny",
"tools": {
"create_files": {
"limits": [
{
"counter": "create_files_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}create_files 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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Create new files in a git repository. Use this when you need to:\n\n. It is categorised as a Write tool in the Aider MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Aider MCP Server MCP server in PolicyLayer and add a rule for create_files: 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 Aider MCP Server. Nothing to install.
create_files 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 create_files 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 create_files. 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.
create_files is provided by the Aider MCP Server MCP server (sengokudaikon/aider-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 6 Aider MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
6 Aider MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.