What the IBM i MCP server is: An agent that queries Db2
IBM has published an open source bridge between AI agents and Db2 for i. What it actually does, what it takes to run, and what authority it works with.
IBM i / AS400
Resources for IBM i
Technical articles, guides and utilities for people working on IBM i and AS/400. The tools run in the browser, with nothing to install.
Try the tool
Processing happens in the browser. No registration is required and no data is transmitted.
Tools ready to use
IBM i utilities: EBCDIC conversion, date formats, packed and zoned decimal, data reading. They run in the browser, with no installation.
12607272026-07-27
123.4512 34 5C
C1 C2 C3ABC
Guides
Complete treatments of a topic, split into chapters and kept up to date. Each guide states the date of the last review and the IBM i release it was verified against.
- Programming on IBM i: sources, ILE, RPG and SQL
- Administering an IBM i: how the system works
Recipes
Short solutions to recurring problems, with ready-to-use code and the caveats to consider before running it in production.
Recipes →Reference
CL commands with the abbreviation spelled out, CPF and SQLCODE messages with the most frequent cause, IBM i Services with the corresponding command. Searchable lists.
Reference →Software
Editor extensions, programs and command line tools useful for IBM i work. Unlike the tools on this site, which run in the browser, these are installed on your computer or on the system.
Software →IBM i releases
End of support dates for IBM i releases, contents of each version, and known incompatibilities introduced at each upgrade.
Is your release still supported? →Jobs
IBM i and AS/400 job listings. Postings are reviewed before publication and expire automatically.
Jobs →Latest articles
All articles →Project4i: what if sources had a project?
On IBM i there is no such thing as a project: there are libraries, full stop. Project4i adds one on top of Code for IBM i — free, MIT, inside VS Code. I looked at it closely and it won me over.
IBM i 7.6 TR2 and 7.5 TR8: what is in them
No revolution, but three or four things that take manual work off whoever administers the system. And one that concerns anybody sending mail from it.
IBM i is not an obsolete system: the objections one by one
The seven objections you hear in the meeting room, what is true in each, and where this platform is still the best choice. Including where it is not.