55 tools for this part of the work. Skills load themselves when the conversation matches; commands are typed with a slash; agents review in their own context and report back.
Read any cost document for what it excludes and what it assumed
Compare two versions of a document and find what nobody mentioned
Explain a detail, callout, or section in plain English
Read a marked-up drawing and turn it into a list somebody can act on
Review contractor bids for scope, exclusions, and terms before award
Work through a change's scope, cost, and time before it is signed
Track every change from first mention to executed, including the ones that stall
Track closeout deliverables from the spec book to handover
Read a document set through a builder's eyes
Track a conflict until both sets show the same answer
Write a field observation report with photos
Write a general note that says something, and put it on the right sheet
Draft a contractor payment application
Answer an RFI without giving away scope, cost, or time
Draft the certificate, and check whether the date it claims is real
Bookmark a flat drawing-set PDF and index its sheets
Get a drawing-set checklist for the phase you are in
Sweep a set for the conventions that make it readable, not for what it shows
Look up a cost-per-square-foot benchmark, quoted with its source
Audit a BIM model for the habits that make it slow, wrong, or unshareable
Keep a punch list with location, trade, owner, and status per item
Keep the RFI log, and watch the pattern the individual answers hide
Build a door, window, finish, or room schedule that the drawings can survive
Pull door, window, and finish schedules out of a PDF into CSV
Read a contractor's schedule for what it assumes about you
Build the section list this project needs from the drawings it has
Review a shop drawing or product data against the documents
Sort a cost-cutting list into accept, alternate, and block
Reads your recommendation the way the person paying for it will
A senior builder's gut-check on a package before it goes out
An estimator's read on what a number is really carrying, and what it is not
A planner's read on what actually controls the date, and who controls it
A spec writer on how the words read to someone looking for room to move
Plan construction phases around a building that stays open through them
Record what is actually there, and mark what you did not verify