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#mcp

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01 Aug 27, 2026 15 min read

MCP Security: What Can Go Wrong With Third-Party Servers and How to Audit Them

An MCP server is third-party code running with your permissions and content flowing straight into model context. Risk classes, an audit checklist, and a team process.

ai mcp
Grzegorz Holak
02 Jun 1, 2026 13 min read

MCP, CLI or hook - which tool when, and when MCP is overengineering

MCP is a tool, not a status. Each connector is maintenance, risk and attack surface. Criteria for when MCP pays off, when CLI / slash command / hook is better, a decision tree, and the CLI → MCP migration path.

ai mcp
Grzegorz Holak
03 May 5, 2026 11 min read

Context7 - the MCP that gives your model up-to-date docs instead of six-month-old knowledge

How one small MCP solves the biggest pain of working with LLMs on code: stale library knowledge. Setup, real-world cases, limitations.

ai mcp
Grzegorz Holak
04 Apr 30, 2026 11 min read

A skill for filing bugs in Jira through Atlassian MCP

How to build a skill that turns your „hey, something's broken on checkout” into a complete Jira ticket - with evidence, dedupe, and without polluting the project. No autopilot agent, a deliberate human confirm in the middle.

ai qa
Grzegorz Holak
05 Apr 23, 2026 11 min read

First MCP for QA: search and fetch over evidence

How to start with MCP in QA from the simplest possible pair of tools - search and fetch over evidence. No autonomy, no loops, just a structure you can maintain.

ai qa
Grzegorz Holak
06 Apr 19, 2026 8 min read

Skills, tools, agents, MCP, AGENTS.md - a concept map for testers

Five concepts that get confused most often in QA conversations about AI - plus a simple decision model for what to use when.

ai qa
Grzegorz Holak