Search the Obsidian palace for knowledge. Uses FTS5 full-text search for fast, ranked results. Supports cross-vault search.
AI agents call palace_recall to retrieve information from Obsidian Palace MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
palace_recall performs full-text search across an Obsidian vault to retrieve information. This is a non-destructive, read-only operation with no side effects beyond returning matching results. The tool cannot modify, delete, or execute code. Even in misuse scenarios, an AI agent using this tool would only retrieve data, posing minimal risk.
From the tool's definition Tool description explicitly states 'Search the Obsidian palace for knowledge' and 'Uses FTS5 full-text search for fast, ranked results.' The verb 'search' and the absence of any modification, deletion, or execution language indicate this is a retrieval…
Attacks that exploit this kind of access
Search the Obsidian palace for knowledge. Uses FTS5 full-text search for fast, ranked results. Supports cross-vault search. It is categorised as a Read tool in the Obsidian Palace MCP MCP Server, which means it retrieves data without modifying state.
Register the Obsidian Palace MCP server in PolicyLayer and add a rule for palace_recall: 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 Palace MCP. Nothing to install.
palace_recall 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 palace_recall 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 palace_recall. 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.
palace_recall is provided by the Obsidian Palace MCP server (probably-computers/obsidian-palace-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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