vision.open_project
Open an existing project path and remember it for this session.
This record as markdown: /tools/visionmcp/vision.open-project.md
What vision.open_project does on Visionmcp
AI agents call vision.open_project to retrieve information from Visionmcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why vision.open_project is rated Low
The tool reads/opens an existing project and stores the path in session memory. This is a read operation: it retrieves project information but does not create, modify, delete, or execute code. The blast radius is minimal — worst case, an incorrect project path is loaded, causing operational confusion rather than data loss or unauthorized access. Low severity is appropriate.
From the tool's definition Tool description states 'Open an existing project path and remember it for this session' — this is a retrieval and state-initialization operation with no data modification.
Attacks that exploit this kind of access
The rule that runs vision.open_project safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Visionmcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For vision.open_project, this is the rule to start with:
vision.open_project 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 Visionmcp, apply this rule, and every vision.open_project call is checked against it from then on.
Questions about vision.open_project
Open an existing project path and remember it for this session. It is categorised as a Read tool in the Visionmcp MCP Server, which means it retrieves data without modifying state.
Register the Vision MCP server in PolicyLayer and add a rule for vision.open_project: 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 Visionmcp. Nothing to install.
vision.open_project 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 vision.open_project 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 vision.open_project. 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.
vision.open_project is provided by the Vision MCP server (joshuahickscorp/visionmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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