Claude for Engineers: Project Context That Doesn't Reset Between Sessions

Published June 2026 · 5 min read

Engineering projects carry enormous context. You know why the foundation design changed in week three. You know which supplier's materials failed QA last year and why that matters for the current spec. You know the client's tolerance for schedule risk, the council's planning constraints, and which design assumptions are load-bearing versus convenient shortcuts. That context lives partly in documents, partly in your head.

Then you open Claude to work through a calculation, draft a report section, or stress-test a design decision — and you spend ten minutes re-explaining the project. Stash holds that context so Claude arrives briefed.

What engineers store in Stash

Common collections:

• projects — scope, client, constraints, current phase, key decisions made and why, open risks
• design-decisions — what was chosen, what was rejected, why — the reasoning that won't survive in a drawing file
• standards — which codes apply, jurisdiction, any project-specific departures agreed with the client or regulator
• suppliers — materials, lead times, quality history, approved substitutes
• site-notes — ground conditions, access constraints, observations from site visits
• clients — stakeholder notes, communication style, risk appetite, sign-off requirements

Stash holds interpretive notes, not engineering documents. The drawings, specs, and calculations stay in your project management system. Stash holds the reasoning that explains them.

What it looks like in practice

You're writing a design justification for a planning submission. Claude knows the project constraints and the design decisions made in earlier stages. The narrative holds together because Claude has the context — not just the output you're trying to produce.

You're briefing a colleague who's covering your project while you're away. Instead of a two-hour handover call, you give them your Stash collection and a 20-minute conversation. They arrive at the project meeting with the same working model you have.

You're reviewing a subcontractor's proposal. You ask Claude to compare it against the project constraints and supplier history you've stored. Claude surfaces the conflicts you need to interrogate, not a generic checklist.

What Stash is not

Stash is not a document management system. It doesn't replace Aconex, ProjectWise, or your firm's drawing register. It stores structured notes — the interpretive layer on top of the technical record. Stash is also not an engineering tool: it stores context, not calculations. Claude can help you think through problems, but engineering calculations that affect structural safety require professional verification regardless of what tool you used to develop them.

The context cost problem Stash solves

On a long project, pasting project context into Claude every session is slow and expensive. Stash holds the structured summary — typically 300–500 tokens per project entry — and serves it on demand. A five-project workload becomes instantly navigable without flooding Claude's context window.

Getting started

Add the connector in two minutes. Create a projects collection and add your current active project. Add a design-decisions collection and log the three decisions that would take the longest to re-explain to a new colleague. Build from there.

Pricing

Free tier works for individual engineers and small teams. Pro (£8/month) removes limits for larger project portfolios. Pricing may change; cancel anytime.