Enumerate every non-markdown file in the vault — images, PDFs, audio/video clips, anything pasted in beyond notes/canvases/Bases. Returns a sorted list of relative paths plus a per-extension count summary. Use to audit assets, find duplicates by name, or pick targets for find_unused_attachments.
AI agents call list_attachments to retrieve information from Obsidian Mcp Pro without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
list_attachments retrieves and queries vault metadata (attachment inventory) with zero side effects. It enables read-only discovery of assets within an Obsidian vault—no data is created, modified, deleted, or executed. The audit use case confirms it is informational only. Paired with similar tools on the server (find_broken_links, find_orphans, find_similar_notes), it is clearly a Read category tool.
From the tool's definition Tool enumerates/lists non-markdown files with no modification capability; returns relative paths and count summaries only. Keywords: 'enumerate', 'returns a sorted list', 'audit assets'.
Documented attack patterns abuse exactly the kind of access list_attachments gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Obsidian Mcp Pro, and nothing reaches the server without passing your rules. This is the rule we recommend for list_attachments:
{
"version": "1",
"default": "deny",
"tools": {
"list_attachments": {}
}
}list_attachments is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Enumerate every non-markdown file in the vault — images, PDFs, audio/video clips, anything pasted in beyond notes/canvases/Bases. Returns a sorted list of relative paths plus a per-extension count summary. Use to audit assets, find duplicates by name, or pick targets for find_unused_attachments. It is categorised as a Read tool in the Obsidian Mcp Pro MCP Server, which means it retrieves data without modifying state.
Register the Obsidian Mcp Pro MCP server in PolicyLayer and add a rule for list_attachments: 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 Obsidian Mcp Pro. Nothing to install.
list_attachments 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 list_attachments 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 list_attachments. 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.
list_attachments is provided by the Obsidian Mcp Pro MCP server (rps321321/obsidian-mcp-pro). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Obsidian Mcp Pro, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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41 Obsidian Mcp Pro tools catalogued and risk-classified — across an index of 43,000+ MCP servers.