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Fabrica

Appendix A

Toolbox

Updated (this page's updates)

Planned. Has an outline, but is not yet written out.

What this appendix will cover

  • Current recommended tools, which change often
  • Agent canvases, such as Orca, Conductor, Omnigent, Amp, Claude Code, Codex, and Grok Build
  • Orchestrators, such as FirstMate by Kun Chen
  • Agent workspaces, such as OpenHands

Tools I need

Test visualizer

  • A visual way to quickly understand all the tests an agent proposes
  • For property-based tests, show me the invariants
  • For end-to-end tests, show me the spec
  • For standard unit tests, just show me the test cases
  • All of it nicely visualized

Design tree visualizer

  • Matt Pocock's Grill Me skill is awesome
  • But you don't know how many total questions there are, and it's hard to get a summary of everything that was asked
  • It does generate a spec, so you could review that
  • But it might be more useful to have a visual tree where the most consequential decisions are seen at the top
  • Then you can keep expanding it to get a feel for whether those are worth reviewing, or whether just the big stuff at the top is good enough

Plan conformance checker

  • Takes the plan I want to review, with my schemas, my system vocabulary, and my data flows
  • As part of the review and the pull request, checks the implementation against them to make sure they're all in line
  • If they're not, and the agent wants to depart from them, it raises the reason for doing so
  • Or maybe that's actually part of validation

Layer diff viewer

  • Knows the overall system architecture, and its layers
  • Evaluates this particular pull request or change against it
  • Essentially shows me the new layers and how they relate to the existing ones, like a layer diagram for the change

PR design explainer

  • Helps me understand the design of a PR
  • I don't care about the code. I care about the design, and the approach
  • Focuses on the fastest possible way for me, the human, to understand what was built
  • Lets me review the design and architecture, schemas, concepts, and names

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