source_add
A write tool on the Mcp Anything MCP server.
This record as markdown: /tools/mcp-anything/source-add.md
What source_add does on Mcp Anything
AI agents use source_add to create or update resources in Mcp Anything, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Anything environment.
Why source_add is rated Medium
The 'add' prefix conventionally indicates Write operations that create or append new entities. Without a description, confidence is reduced, but the verb form and consistency with sibling 'add' tools support Write classification. No evidence of irreversible deletion, financial transaction, or code execution. If this tool adds media sources or configuration sources to a project, it is reversibly modifying state.
From the tool's definition Tool name 'source_add' suggests creating or adding a new source entity. The description is empty, but the naming pattern matches sibling tools like 'animation_add_keyframe' and 'camera_add' which are Write operations (reversible additions to a project state).
Attacks that exploit this kind of access
The rule that runs source_add safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Anything, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For source_add, this is the rule to start with:
source_add 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 Mcp Anything, apply this rule, and every source_add call is checked against it from then on.
Questions about source_add
source_add is a write tool on the Mcp Anything MCP server. It is categorised as a Write tool in the Mcp Anything MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mcp Anything MCP server in PolicyLayer and add a rule for source_add: 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 Mcp Anything. Nothing to install.
source_add 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 source_add 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 source_add. 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.
source_add is provided by the Mcp Anything MCP server (Zaymadkid/mcp-anything). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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