apply_shader_from_vault
READ a shader note from the Obsidian vault (a
This record as markdown: /tools/hybridlabor-api-aos/apply-shader-from-vault.md
What apply_shader_from_vault does on Aos
AI agents call apply_shader_from_vault to retrieve information from Aos without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why apply_shader_from_vault is rated Low
The description explicitly states this tool READs a shader note from the Obsidian vault, indicating a read-only retrieval operation. Confidence is moderate because the description appears truncated ('a'), leaving some uncertainty about whether the tool also applies or writes the shader after reading it.
From the tool's definition READ a shader note from the Obsidian vault
Attacks that exploit this kind of access
The rule that runs apply_shader_from_vault safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Aos, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For apply_shader_from_vault, this is the rule to start with:
apply_shader_from_vault is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Aos, apply this rule, and every apply_shader_from_vault call is checked against it from then on.
Questions about apply_shader_from_vault
READ a shader note from the Obsidian vault (a. It is categorised as a Read tool in the Aos MCP Server, which means it retrieves data without modifying state.
Register the Aos MCP server in PolicyLayer and add a rule for apply_shader_from_vault: 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 Aos. Nothing to install.
apply_shader_from_vault 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 apply_shader_from_vault 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 apply_shader_from_vault. 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.
apply_shader_from_vault is provided by the Aos MCP server (@hybridlabor-api/aos). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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