Read clipboard text and write it into a workspace inbox.
AI agents use knowledge_ingest_clipboard to create or update resources in Chisel Knowledge MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Chisel Knowledge MCP environment.
This tool creates new data (ingests clipboard content) into a workspace inbox, which is reversible and modifiable. It does not execute code, trigger external operations, delete data, or move money, making it a Write operation.
From the tool's definition The tool description explicitly states it will 'Read clipboard text and write it into a workspace inbox.' The action of writing content into a workspace inbox is a data creation/modification operation.
Attacks that exploit this kind of access
Read clipboard text and write it into a workspace inbox. It is categorised as a Write tool in the Chisel Knowledge MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Chisel Knowledge MCP server in PolicyLayer and add a rule for knowledge_ingest_clipboard: 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 Chisel Knowledge MCP. Nothing to install.
knowledge_ingest_clipboard 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 knowledge_ingest_clipboard 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 knowledge_ingest_clipboard. 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.
knowledge_ingest_clipboard is provided by the Chisel Knowledge MCP server (teknologika/chisel-knowledge-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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