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.

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Showing 16-20 of 76 articles in Engineering.

Engineering

MCP Spotlight: GitHub MCP Server — The Official Code-and-Collaboration Bridge With Fine-Grained PATs, PR/Issue Workflows, and the Engineering-Workflow Default for Agents

Jul 20, 2026Engineering

MCP Spotlight: GitHub MCP Server — The Official Code-and-Collaboration Bridge With Fine-Grained PATs, PR/Issue Workflows, and the Engineering-Workflow Default for Agents

The official GitHub MCP Server by GitHub — ~40 focused tools covering issues, PRs, code, commits, branches, Actions, releases, reviews, security alerts. Fine-Grained Personal Access Token support for per-repo + per-action scope isolation. Branch-protection-aware merge control. MIT-licensed. The code-collaboration default for AI agents in 2026.

Engineering

MCP Spotlight: Docker MCP Server — The Container Operations Bridge With `mcp://` Catalog Protocol, MCP Toolkit, and the Container-Default Reference for Agents

Jul 19, 2026Engineering

MCP Spotlight: Docker MCP Server — The Container Operations Bridge With `mcp://` Catalog Protocol, MCP Toolkit, and the Container-Default Reference for Agents

Docker's official MCP infrastructure — the Docker Hub MCP Catalog (300+ verified servers with signatures + provenance), the MCP Toolkit (isolated runtime execution via Docker MCP Gateway), and the mcp:// URL protocol for declarative installation. Apply container-ecosystem primitives (signing, isolation, secrets, orchestration) to MCP.

Engineering

MCP Spotlight: Resend MCP Server — The Email Bridge With 10 Tool Groups, Send/Receive Symmetry, and the Transactional-Default Reference for Agents

Jul 18, 2026Engineering

MCP Spotlight: Resend MCP Server — The Email Bridge With 10 Tool Groups, Send/Receive Symmetry, and the Transactional-Default Reference for Agents

The official Resend MCP Server by Resend — ~25 tools across 10 domain groups covering emails, contacts, broadcasts, domains, webhooks, segments, topics, contact properties, API keys, received emails. Send/receive symmetry, Topics for GDPR preference management, hosted at mcp.resend.dev or self-hosted via NPX. MIT-licensed.

Engineering

MCP Spotlight: Notion MCP Server — The Official Knowledge-Base Bridge With Markdown-Native Retrieval, Two-Tool Minimalism, and the Workspace-Context Default for Agents

Jul 17, 2026Engineering

MCP Spotlight: Notion MCP Server — The Official Knowledge-Base Bridge With Markdown-Native Retrieval, Two-Tool Minimalism, and the Workspace-Context Default for Agents

The official Notion MCP Server by Notion — 2 tools in the minimal profile (notion-search, notion-fetch), Markdown-native retrieval (12x token savings vs raw JSON), OAuth 2.0 with principle-of-least-privilege scopes, full CRUD available in the standard profile. MIT-licensed. The knowledge-base default for AI agents in 2026.

Engineering

MCP Spotlight: Sentry MCP Server — The Official Error-Tracking Bridge With Release-Aware Stack Traces, Agentjacking Defense, and the Production-Debugging Default for Agents

Jul 16, 2026Engineering

MCP Spotlight: Sentry MCP Server — The Official Error-Tracking Bridge With Release-Aware Stack Traces, Agentjacking Defense, and the Production-Debugging Default for Agents

The official Sentry MCP Server by Sentry — ~15 focused tools covering issues, events, stack traces, releases, breadcrumbs, performance traces, alerts. Release-aware debugging (know which release introduced which bug), stack-trace summarization, agentjacking defense. The production-error-tracking default for AI agents in 2026.