Facio Blog

Practical notes on human-reviewed AI agents.

Payload-powered product notes, security writing, HITL patterns, and operational guidance from the Facio runtime: long sessions, Placet approvals, audit trails, memory, providers, channels, tools, and Docker-first operations.

Showing 1-5 of 17 articles in Product.

Product

Facio's Workspace System: How File Tools and Layout Conventions Keep Agent Work Organized

AI agents that can read, write, and edit files are common. Agents that understand where files belong — following project conventions, keeping roots clean, and organizing deliverables — are rare. Facio's workspace system combines a full file tool surface (read_file, write_file, edit_file, grep, glob, patch_file) with WORKSPACE.md layout rules that give agents structural awareness. Here's how it turns file access into file discipline.

Jun 6, 2026Product

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Product

Facio's Built-in Log System: How read_logs Makes Agent Execution Auditable in Real Time

Jun 5, 2026Product

Facio's Built-in Log System: How read_logs Makes Agent Execution Auditable in Real Time

When an AI agent makes a mistake at 4 AM, you need to know what happened — not wait for a human to grep through server logs. Facio's read_logs tool gives agents access to their own persistent execution log, with level filtering, time-range queries, and regex search. The agent diagnoses its own failures. Here's how the architecture works and why self-auditability matters for production autonomy.

Product

Facio's Multi-Provider Architecture: How switch_model Enables Dynamic Model Routing

Jun 4, 2026Product

Facio's Multi-Provider Architecture: How switch_model Enables Dynamic Model Routing

Locking an AI agent to a single model provider is like locking a developer to a single programming language — it works until it doesn't. Facio's switch_model tool lets agents change LLM providers mid-conversation with human approval, enabling cost-optimized routing, provider fallback, and capability-aware task delegation across OpenAI, Anthropic, Google, OpenRouter, and any OpenAI-compatible endpoint.

Product

Facio's Heartbeat System: How Interval-Based Task Polling Complements Cron Scheduling

Jun 3, 2026Product

Facio's Heartbeat System: How Interval-Based Task Polling Complements Cron Scheduling

Cron is perfect for "run this at 9 AM every Monday." It's the wrong tool for "check if there's something to do every 5 minutes." Facio's Heartbeat system fills that gap — a configurable polling interval that reads HEARTBEAT.md and executes pending tasks, with file-based task management that agents can modify at runtime.

Product

Facio's MCP Management: Dynamic Server Lifecycle Control From the Agent Itself

Jun 2, 2026Product

Facio's MCP Management: Dynamic Server Lifecycle Control From the Agent Itself

Connecting an MCP server is step one. Managing it in production — toggling it on and off, editing its configuration, restarting it after a crash, routing it to different HTTP transports — is where most platforms stop. Facio's manage_mcp tool gives agents full lifecycle control over their own tool infrastructure, with HITL gating on every destructive change.