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MarginRail
Catch unpriced client work before your agency says yes
Compare one client request with agreed scope before delivery. MarginRail shows boundary evidence, estimates value at risk and helps agencies charge, trade, defer or deliberately absorb the work.
Agency teams rarely call it scope creep. A client asks for one more version, channel or deadline change, and the work starts before anyone makes the commercial decision. I built MarginRail to create that pause: compare the request with the agreed scope, see the boundary evidence and estimated value, then choose to charge, trade, defer or deliberately absorb it. It is selective, not surveillance—MarginRail only checks the request a team submits, and does not continuously read Slack, Teams or mailboxes. The product is live at £99/month or £990/year after a 14-day trial, with unlimited teammates. I’d value blunt feedback from agency owners, operations and client-services leads: where does this decision currently happen in your workflow, and what would make the evidence useful enough to act on?
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About MarginRail on Product Hunt
“Catch unpriced client work before your agency says yes”
MarginRail was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #39 on the daily leaderboard. Compare one client request with agreed scope before delivery. MarginRail shows boundary evidence, estimates value at risk and helps agencies charge, trade, defer or deliberately absorb the work.
MarginRail was featured in SaaS (43.2k followers) on Product Hunt. Together, these topics include over 50.2k products, making this a competitive space to launch in.
Who hunted MarginRail?
MarginRail was hunted by Barry King. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Barry King