This record as markdown: /tools/eda-agent/proj-add-document.md
What proj_add_document does on Eda Agent
AI agents use proj_add_document to create or update resources in Eda Agent, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Eda Agent environment.
Why proj_add_document is rated Medium
The tool modifies project state by adding a document to it. This is a write operation (not read-only), but reversible (a document can be removed from a project). The blast radius is medium—a malicious agent could pollute a project with unintended documents or corrupt project organization, but the action itself is not destructive (no irreversible deletion) and lacks the severity of execution or financial operations.
From the tool's definition "Add an existing document to a project" - this creates or modifies a project structure by incorporating a document, which is a reversible data modification operation.
Attacks that exploit this kind of access
The rule that runs proj_add_document safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Eda Agent, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For proj_add_document, this is the rule to start with:
proj_add_document stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Eda Agent, apply this rule, and every proj_add_document call is checked against it from then on.
Questions about proj_add_document
Add an existing document to a project. It is categorised as a Write tool in the Eda Agent MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Eda Agent MCP server in PolicyLayer and add a rule for proj_add_document: 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 Eda Agent. Nothing to install.
proj_add_document is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the proj_add_document 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 proj_add_document. 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.
proj_add_document is provided by the Eda Agent MCP server (salitronic/eda-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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