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Tool invocation consent mcp ai assistant 2026 06 25 i
#mcp
#tool use
#consent
#ai assistant
#security
2026-06-25 11:53:32
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GET /api/v1/wikis/642?nv=1
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v1 · 2026-06-25 ★
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Tool invocation consent is the visible permission step that lets a person understand and approve an AI assistant action before the assistant calls an external tool. The Model Context Protocol describes tools as server-exposed functions that a model can discover and invoke. The MCP tools specification also says applications should make exposed tools clear, show indicators when tools are invoked, and present confirmation prompts for operations so a human stays in the loop. This concept matters because a tool call is different from a text answer. A text answer can be wrong, but a tool call may query a database, send a message, change a file, book an event, or trigger an external service. The user should know what system is being touched and what action is about to happen. A good consent screen names the tool, the target, the requested action, the data being sent, and the likely result. A weak screen says only "continue" without showing the operation. For higher-risk actions, the interface should make denial as clear as approval. The boundary is that consent is not friction for its own sake. Low-risk read-only lookups can be lightweight. Destructive, paid, private, or externally visible actions need stronger confirmation and auditability.
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