read_graph
Read the entire knowledge graph.
This record as markdown: /tools/aegntic-aegntic-mcp/read-graph.md
What read_graph does on Obsidian Elite RAG MCP Server
AI agents call read_graph to retrieve information from Obsidian Elite RAG MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why read_graph is rated Low
This tool performs a query operation that retrieves knowledge graph data from the Obsidian vault without side effects. It is a straightforward data retrieval function that does not create, modify, delete, or execute any operations. The blast radius is minimal since reading data poses no risk to system state or data integrity.
From the tool's definition Tool name 'read_graph' and description 'Read the entire knowledge graph' explicitly indicate retrieval of graph data with no modification, deletion, or execution capabilities.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
The rule that runs read_graph safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Obsidian Elite RAG MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For read_graph, this is the rule to start with:
read_graph 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 Obsidian Elite RAG MCP Server, apply this rule, and every read_graph call is checked against it from then on.
Questions about read_graph
Read the entire knowledge graph. It is categorised as a Read tool in the Obsidian Elite RAG MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Obsidian Elite RAG MCP Server MCP server in PolicyLayer and add a rule for read_graph: 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 Elite RAG MCP Server. Nothing to install.
read_graph 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 read_graph 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 read_graph. 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.
read_graph is provided by the Obsidian Elite RAG MCP Server MCP server (aegntic/aegntic-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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