AI agents use roam_import_markdown to create or update resources in Roam Research MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Roam Research MCP Server environment.
The import operation creates or populates data structures in Roam Research from external markdown sources. This is reversible (imported content can be edited or deleted), so it is Write rather than Destructive. While the description is empty, the tool name combined with the server's documented purpose (content creation) and the pattern of sibling write tools provides sufficient confidence.
From the tool's definition Tool name 'roam_import_markdown' indicates importing markdown content into Roam Research. The verb 'import' combined with context of sibling tools (roam_create_block, roam_create_page, roam_create_outline) which are Write operations, and the server's stated…
Documented attack patterns abuse exactly the kind of access roam_import_markdown gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Roam Research MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for roam_import_markdown:
{
"version": "1",
"default": "deny",
"tools": {
"roam_import_markdown": {
"limits": [
{
"counter": "roam_import_markdown_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
} roam_import_markdown 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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roam_import_markdown. It is categorised as a Write tool in the Roam Research MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Roam Research MCP Server MCP server in PolicyLayer and add a rule for roam_import_markdown: 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 Roam Research MCP Server. Nothing to install.
roam_import_markdown 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 roam_import_markdown 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 roam_import_markdown. 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.
roam_import_markdown is provided by the Roam Research MCP Server MCP server (philosolares/roam-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Roam Research MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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26 Roam Research MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.