Tetrarch: the AI code editor that ships

Currentcheckout.ts→

src/checkout.ts · charge()

src/cart.ts · total()

src/tax.ts · rate()

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Open a repo and Tetrarch builds a map of files, symbols, and how they connect. It stays current as you edit.

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Workingbranchagent/checkout

Readydiff+48 −12

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Agents code on their own branch while you stay in flow. You review the diff and accept when it's right.

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12 passedaffected by diffRun

checkout.spec.ts · charge declines

cart.spec.ts · tax line

owasp · no new findings

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Run the tests that touch your diff, read build performance, and scan for risk without opening another window.

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pr#4182checks3 passed

Mergedintomain

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Review the pull request, comment on a line, and merge from the same screen you wrote the change on.

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What’s included in Tetrarch’s IDE

Models, the graph, agents, verification, and shipping. Open any of them from the editor.

Your modelsLocal models, or your own key.view docs

Tetrarch modelsFrontier models included with your plan.view docs

AskQuestions answered from the codebase.view docs

AgentEdits you review, then keep or undo.view docs

Plan modeApprove a plan, then Tetrarch builds it.view docs

WorktreesAn isolated copy. Apply it or discard it.view docs

RulesInstructions the agent follows in this repo.view docs

MCPServers and tools the agent can call.view docs

Living graphFiles, symbols, and how they connect.view docs

Blast radiusWhat else a change touches.view docs

System designThe architecture map for this repo.view docs

ADRsDesign notes, opened from the repo.view docs

DriftWhere the code leaves the design.view docs

ImportBring settings over from Cursor.view docs

ExtensionsInstall more from the gallery.view docs

Pinned docsKeep the docs you use beside the editor.view docs

InboxPull requests that need you.view docs

PR reviewRisk on the diff, then comments.view docs

StacksStacked branches you restack and land.view docs

GitHubOne sign-in for review and shipping.view docs

Create a PROpen the pull request from the branch.view docs

Draft commentsSuggested review notes you can edit.view docs

Review planThe diff ordered for a real review.view docs

Pre-push checksRun your checks before you push.view docs

Affected testsThe tests that cover this change.view docs

JestDiscover, run, and debug Jest.view docs

VitestDiscover, run, and debug Vitest.view docs

CoverageWhich lines this change actually hits.view docs

Build analysisBuild time and bundle size.view docs

Security scansFindings from the scanners you already use.view docs

SemgrepA ruleset you choose, triaged in Security.view docs

Secret scanKeys and tokens caught before they ship.view docs

DependenciesAdvisories from the lockfile and images.view docs

TypecheckTypes and lint on the files you changed.view docs

GitBranches, diffs, and history.view docs

TerminalThe project shell, next to the diff.view docs

DebugBreakpoints on the code you just changed.view docs

SearchA symbol or a string, across the repo.view docs

ProblemsDiagnostics from the language tools.view docs

TasksThe build and test tasks this repo defines.view docs

TypeScriptTypes, imports, and refactoring.view docs

Language serversRust, Python, Go, C++, and the rest.view docs

PlaywrightEnd-to-end tests, installed from the gallery.view docs

Lint and formatESLint, Prettier, or Biome.view docs

JavaScript runtimesNode, Deno, Bun, pnpm, and Yarn.view docs

BundlersVite, webpack, esbuild, and Turborepo.view docs

Data librariesPostgres, Redis, and Prisma in the repo.view docs

ContainersDocker files the graph can see.view docs

Built into the surface

Living graph

Parallel agents

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What’s included in Tetrarch’s IDE

Build Fast. Ship Faster.