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James Ward

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@JamesWard

My book: EffectOrientedProgramming.com | My podcast: @HappyPathProg | @AWSCloud Agent Experience | @AgenticAIFdn TC | My opinions are mine
Crested Butte, CO, USA jamesward.com Joined February 2007
3.4K Following 20K Followers 11K Posts

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James Ward Verified account @JamesWard
Cooked up some really tasty treats over the past 3 months:
- Various Jev morsels; most importantly a Scala ZIO Jev client with a full agentic loop orchestrator: github.com/jamesward/zio-…
- Site for testing CIMD: cimd.now
- Support for Mantle in ZIO Bedrock: github.com/jamesward/zio-…
- Updates to zio-http-mcp for 2026-07-28 MCP spec: github.com/jamesward/zio-…
- ZIO Evals lib: github.com/jamesward/zio-…
- ZIO Git lib: github.com/jamesward/zio-…
- sbt over MCP & symbol tools: github.com/jamesward/sbt-…
- sbt-tdepver for easier transitive dep mgmt: github.com/jamesward/sbt-…
- New Scala & Scala Native buildpacks: github.com/jamesward/buil…
github.com/jamesward/buil…
github.com GitHub - jamesward/zio-typesafe-ai Contribute to jamesward/zio-typesafe-ai development by creating an account on GitHub.
James Ward Verified account @JamesWard Jun 26
Still cooking! A few more new projects in the past 2 months:
- ZIO HTTP MCP client/server library: github.com/jamesward/zio-…
- ZIO Bedrock library: github.com/jamesward/zio-…
- sbt revolver alternative for sbt 2.0: github.com/jamesward/sbt-…
- sbt webjars plugin: github.com/webjars/sbt-we…
- sbt plugin for sass: github.com/jamesward/sbt-…
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James Ward Verified account @JamesWard
This is awesome! And such a great place for a software factory.
Clare Liguori Verified account @clare_liguori 1d
AWS Emulator is here!

Building API emulators has been huge for Amazon teams this year. We let agents run against dependencies over and over in a feedback loop, all in the local env. The most popular one internally emulates AWS APIs: it's 100% built by agents and now open source.

Software factory: aboutamazon.com/news/aws/how-a…
Blog: aws.amazon.com/blogs/aws-insi…
Source code: github.com/aws/aws-emulat…
Evals: github.com/aws/aws-emulat…
User guide: docs.aws.amazon.com/emulator/lates…
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