Human-in-the-Loop for AI Agents: A Practical Guide
What human-in-the-loop actually means once an agent can send email, deploy code, or move money — and why a confirmation click is not the same as a decision bound to the action.
Blog
Human-in-the-loop for AI agents
Practical guides on putting a human in the loop before an AI agent runs a high-risk action — with approvals that are bound to the exact payload and an audit trail anyone can verify. Cosignet is an approval and evidence layer, not an executor or policy engine.
Articles
MCP Approval Gate for AI Agents
How to put a passkey approval gate in front of dangerous MCP tool calls and proceed only on a signed decision bound to the exact payload.
Agent Deployment Approval Workflow
A practical fail-closed workflow for production deploys: approve the exact commit, environment, actor, migration facts, and rollback reference before the runner continues.
Add Human Approval to a LangChain Agent
Wrap a high-risk LangChain tool so it pauses for a passkey approval and continues only on a signed, payload-bound decision — in a few lines, with no inbound port.
Slack Approval Buttons vs Payload-Bound Approvals
A Slack “Approve” button records a click. Why that is not enough for agent actions, and what
binding an approval to nonce ‖ SHA-256(payload) changes.
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