DBHQ

Compiler-exact code search for Claude Code and Codex, over a SCIP index - definitions, references, direct callers and implementations. .NET natively through Roslyn, with Razor and Blazor references resolved by the compiler into a saved index; any other language through its own SCIP indexer. A free tool by DBHQ.

Claude Code and Codex skill that checks whether a repository still agrees with itself - dead links, orphans, stale docs, contradictions. By default only proven findings gate a build; the rest report. A free tool by DBHQ.

Decision-research skill for Claude Code and Codex - every claim states how well it is supported, and says when the evidence cannot settle it. A free tool by DBHQ.

The DBHQ plugin marketplace for Claude Code and Codex - fifteen free, open-source agent skills, each documented at skills.dbhq.uk including what it deliberately does not do. Add once with /plugin marketplace add dbhq-uk/marketplace.

Microsoft 365 mail and calendar skill for Claude Code and Codex, plus PST archives into searchable markdown. A free tool by DBHQ.

Trello skill pack for Claude Code and Codex over the Trello REST API - boards, lists and cards end to end, a status digest for a board, and a radar for what is due across every board. A free tool by DBHQ.

imager - a Claude Code and Codex skill that generates and edits images with OpenAI's GPT Image models (gpt-image-2.5-flare by default). 27 style presets, platform sizing, transparent backgrounds, masked edits and carousels. Iterate on $0.006 drafts, pay for the one you approved. A free tool by DBHQ.