ai.structupath/steel-tools

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Steel takeoff, weight and gauge calculators plus RFQ, RFI, NCR and Bluebeam markup generators.

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Copy this into your MCP client config:

{
  "mcpServers": {
    "steel-tools": {
      "url": "https://www.structupath.ai/api/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (14)

• steel_gauge_thickness

  Look up sheet steel gauge thickness (gauges 3-28) in inches and mm with lb/ft², for plain, galvanized or stainless series. Published nominal values for estimating and orientation, not design guidance.

  Parameters:

  • gauge (required) — integer — Sheet steel gauge number, 3 through 28
  • material — string — Gauge series — the same number is a different thickness each

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• steel_plate_weight

  Compute carbon steel plate weight from thickness (decimal or fraction) and width/length in inches, with optional material cost via price_per_lb. Published nominal values for estimating and orientation, not design guidance.

  Parameters:

  • thickness_in (required) — Plate thickness in inches — decimal or fraction ("3/4", "1-1/8")
  • width_in (required) — number — Plate width in INCHES (a 4x8 ft plate is 48 x 96 in)
  • length_in (required) — number — Plate length in INCHES
  • price_per_lb — number — Optional material price in $/lb, to include a cost estimate

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• steel_shape_weight

  Look up an AISC shape designation (W, C, MC, L, HSS, PIPE) for lb/ft, depth and area, with optional piece weight. 14th-Edition-era data. Published nominal values for estimating and orientation, not design guidance.

  Parameters:

  • designation (required) — string — AISC designation, e.g. "W21X50", "HSS6X6X3/8", "L4X4X3/8"
  • qty — integer — Optional piece count
  • length_ft — number — Optional piece length in feet, for a piece weight

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• steel_connection_reference

  Describe a structural steel connection type (behaviour, use, what goes wrong) by name, alias or slug — or look up a structural bolt grade (A325, A490, A307). Published nominal values for estimating and orientation, not design guidance.

  Parameters:

  • name_or_slug (required) — string — Connection name, alias or slug (e.g. "clip angle", "base-plate") or a bolt grade (e.g. "A490")

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• steel_bolt_pretension

  RCSC minimum pretension for A325/A490 structural bolts by diameter, with the turn-of-the-nut rotation when a bolt length is given. Published nominal values for estimating and orientation, not design guidance.

  Parameters:

  • dia (required) — string — Bolt diameter in inches — fraction ("3/4") or decimal (0.75)
  • length_in — number — Optional bolt length in inches, for the turn-of-the-nut rotation

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• steel_pipe_schedule

  Steel pipe dimensions by NPS and schedule: OD, wall, inside diameter and lb/ft for schedules 5, 10, 40/STD, 80/XS, 160 and XXS. Omit the schedule to list them all. Published nominal values for estimating and orientation, not design guidance.

  Parameters:

  • nps (required) — string — Nominal pipe size, e.g. "2", "1/2", "1-1/4"
  • schedule — string — Optional schedule: "40", "80", "160", "STD", "XS", "XXS", "5", "10"

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• steel_section_weight

  Weight of round bar, square bar, flat bar or round tube from dimensions in inches — lb/ft and optional piece weight, in carbon, stainless or aluminum. For AISC designations use steel_shape_weight; for plate use steel_plate_weight. Published nominal values for estimating and orientation, not design guidance.

  Parameters:

  • section (required) — string — Cross-section type
  • dim1_in (required) — number — First dimension in inches: diameter (round bar), side (square bar), width (flat bar) or OD (round tube)
  • dim2_in — number — Second dimension in inches: thickness (flat bar) or wall (round tube); unused for round and square bar
  • material — string — Default carbon steel; stainless is +2%, aluminum ×0.35
  • length_ft — number — Optional length in feet for a piece weight

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• steel_mtr_check

  Screen a mill cert's yield and tensile against the specified limits for A992, A572 Gr. 50 or A36 — a screening aid, not acceptance. Published nominal values for estimating and orientation, not design guidance.

  Parameters:

  • grade (required) — string — Steel grade: "A992", "A572 Gr. 50" or "A36"
  • yield_ksi (required) — number — Reported yield, ksi
  • tensile_ksi (required) — number — Reported tensile, ksi

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• steel_takeoff_weight

  Roll a member list (AISC designation, length in feet, piece count — up to 500 lines) into a bill-of-steel ledger: weight per line, total pounds and tons, piece and lineal-foot counts. Net weight only; unmatched designations are listed, not guessed. Published nominal values for estimating and orientation, not design guidance.

  Parameters:

  • members (required) — array — The member list to roll up, one line per mark/size

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• steel_coating_area

  Surface area to coat for an AISC shape: ft² per foot from the cross-section perimeter, piece/lot area with length and qty, optional interior faces for galvanized tubes and gallons at a supplied coverage rate. Published nominal values for estimating and orientation, not design guidance.

  Parameters:

  • designation (required) — string — AISC designation, e.g. W21X50, HSS6X6X3/8, Pipe4STD
  • qty — integer — Optional piece count (default 1) when a length is given
  • length_ft — number — Optional length in feet for a piece/lot area
  • include_inside_faces — boolean — Tubes only: add interior surface, as hot-dip galvanizing coats vented HSS/pipe interiors. Default false (outside only).
  • coverage_sqft_per_gal — number — Optional practical coverage rate from the coating datasheet, to estimate gallons

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• steel_rfq_generate

  Generate a vendor-ready Request for Quotation (.xlsx) from structured takeoff line items — grouped by material, with vendor pricing columns, totals and standard terms. You pass parsed line items and a company name; returns a download link that expires within ~48 hours. Nothing you submit is stored.

  Parameters:

  • company_name (required) — string — Buyer company on the RFQ header and terms — required
  • project_name (required) — string — Project name for the header and filename
  • line_items (required) — array — Parsed takeoff line items — the calling agent reads the estimate
  • terms — array — Override the eight default terms; omit for the standard set
  • date_issued — string — Free-form issue date; a blank line is used if omitted
  • nesting_rows — array — Optional fabricator-facing nesting/drop reference rows
  • company_location — string — City, state under the company name, e.g. "Denver, CO"
  • project_location — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• steel_pdf_markup

  Add real Bluebeam-compatible annotation objects to a drawing PDF — counts, length/area measurements with live scales, RFI clouds, callouts — from a markups JSON you supply plus placement coordinates. Pass the PDF as an https URL or small base64; returns a marked PDF download link that expires within ~48 hours. Markups appear in Bluebeam Revu's Markups List. You decide placement; the tool guarantees the format. Nothing you submit is stored.

  Parameters:

  • markups (required) — array — Markups to place — geometry in ratio (0–1 from top-left) or pdf coordinates
  • scale — string — Document scale for measurements, e.g. "1/4 in = 1 ft" or "1:100"
  • author — string — Markups List author column
  • pdf_url — string — HTTPS URL of the source drawing PDF (fetched server-side, SSRF-guarded)
  • pdf_base64 — string — Base64 PDF for small files (~3 MB max decoded); prefer pdf_url for drawing sets
  • page_scales — object — Per-page scale overrides, keyed by page number string
  • coordinate_space — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• steel_rfi_generate

  Generate a formal Request for Information PDF from structured fields — header, meta grid, subject, description, proposed solution, attachments, and a blank response block for the design team. You do the judgement (one issue per RFI, exact drawing references, a proposed path forward); the tool guarantees the format. Returns a download link that expires within ~48 hours. Nothing you submit is stored.

  Parameters:

  • company_name (required) — string — Contractor issuing the RFI — appears in the header
  • rfi_number (required) — string — RFI number from the project register, e.g. "RFI-017"
  • date (required) — string — Submission date
  • project_name (required) — string
  • submitted_to (required) — string — The party who must respond — engineer, architect, GC
  • submitted_by (required) — string — Name — company
  • subject (required) — string — One-line subject — one issue per RFI
  • description (required) — string — The issue: specific references, what is missing or conflicting, why it matters. Newlines respected.
  • reason — string — Category: Design Omission, Design Error, Constructability Issue, Scope Clarification, Site Condition, Missing Information, Coordination Conflict — or free text
  • spec_refs — array
  • attachments — array
  • drawing_refs — array — Exact drawing numbers with revisions
  • project_number — string
  • company_location — string
  • proposed_solution — string — Suggested path forward, framed as a proposal
  • response_needed_by — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• steel_ncr_generate

  Generate a formal Nonconformance Report PDF: identification, description, the violated requirement, containment, root cause (prose or 5-Whys chain), disposition (accept-as-is/repair/rework/reject) with actions, and blank quality-review and sign-off blocks. Flags accept-as-is dispositions whose corrective action describes physical work. The disposition decision belongs to the responsible quality authority. Returns a download link that expires within ~48 hours. Nothing you submit is stored.

  Parameters:

  • company_name (required) — string — Contractor raising the NCR — appears in the header
  • ncr_number (required) — string — NCR number from the project register, e.g. "NCR-008"
  • date (required) — string — Date raised
  • project_name (required) — string
  • raised_by (required) — string — Name — role
  • description (required) — string — What was found, measured against what was required
  • requirement_violated (required) — string — The cited requirement — spec section, drawing/detail, or code clause. An NCR without a cited requirement is dispute fuel.
  • resolution (required) — string — Disposition: accept-as-is (no physical work), repair, rework, or reject
  • location — string — Area, level, grid, or piece mark
  • root_cause — string
  • containment — string — What was done on the spot — quarantine, stop work, tag
  • project_number — string
  • root_cause_whys — array — 5-Whys chain, first why to root; overrides root_cause
  • company_location — string
  • corrective_action — string — Bringing this instance into compliance
  • preventive_action — string — Stopping recurrence — procedure, inspection, supplier
  • trade_or_supplier — string
  • resolution_justification — string — Required in practice for accept-as-is — the concession basis

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

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