League cuts product development cycle times in half with Claude

League cut product development cycle times in half, from idea through pull request. With Claude, League: Cut product development cycle times in half, from idea through pull request 98% adoption of Claude, up from ~80% when the company-wide rollout began in March 2026 Reduced vendor security risk assessments from multiple weeks to 15 minutes, with 49 of the last 53 validated as safe by Claude, and then signed off by a human. Over the past six months, the company has rebuilt itself around Claude: development cycle times are down by half, 98% adoption of AI tools, and processes from engineering to finance run on agents.

Agent or tool: Claude Code
Topic: Sales & Marketing
Reported on: Case study (Anthropic)
Added: 2026-11-11

Why it matters

Sales and marketing run on research, lists and follow-ups. Agents are starting to take on that groundwork, freeing people for the conversations that actually close deals. It is one of 613 sightings filed under Sales & Marketing on Agent Sightings (number 33 by interest), and one of 255 involving Claude Code.

How you could try it

Here is a reusable prompt, written by us in our own words, that captures the task. Paste it into Claude Code or any similar agent and adjust the details to your situation.

I want an agent to do the research and drafting for this sales or marketing workflow, and stop for my approval before anything is sent. The tool in the source case was Claude Code.

Saved

Tip: Start small: run it once on a low-stakes example, read what the agent did, and only then let it run on real work.

Source

Read the original first-hand account on Case study (Anthropic): https://claude.com/customers/league. Our summary is a paraphrase; details are in the source.

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