diff --git a/.eslintrc.json b/.eslintrc.json
index 585cb984..76fdd603 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -11,7 +11,36 @@
     "@typescript-eslint/no-namespace": "off",
     "@typescript-eslint/no-empty-object-type": "off",
     "no-console": "warn",
-    "require-yield": "off"
+    "require-yield": "off",
+    "no-restricted-imports": [
+      "error",
+      {
+        "patterns": [
+          {
+            "group": ["../types/*/index*", "../types/*/index"],
+            "message": "Use #types/* alias instead of relative imports"
+          },
+          {
+            "group": [
+              "../materials/*",
+              "../data/*",
+              "../pointer/*",
+              "../program/*",
+              "../type/*"
+            ],
+            "message": "Use #types/* alias instead of relative imports"
+          },
+          {
+            "group": ["../../test/*", "../../../test/*"],
+            "message": "Use #test/* alias instead of relative imports"
+          },
+          {
+            "group": ["../describe*"],
+            "message": "Use #describe alias instead of relative imports"
+          }
+        ]
+      }
+    ]
   },
   "env": {
     "node": true,
diff --git a/packages/format/package.json b/packages/format/package.json
index c9bec377..2738fe9a 100644
--- a/packages/format/package.json
+++ b/packages/format/package.json
@@ -9,6 +9,41 @@
   "files": [
     "dist"
   ],
+  "imports": {
+    "#describe": {
+      "types": "./src/describe.ts",
+      "default": "./dist/src/describe.js"
+    },
+    "#schemas": {
+      "types": "./src/schemas/index.ts",
+      "default": "./dist/src/schemas/index.js"
+    },
+    "#types": {
+      "types": "./src/types/index.ts",
+      "default": "./dist/src/types/index.js"
+    },
+    "#types/data": {
+      "types": "./src/types/data/index.ts",
+      "default": "./dist/src/types/data/index.js"
+    },
+    "#types/materials": {
+      "types": "./src/types/materials/index.ts",
+      "default": "./dist/src/types/materials/index.js"
+    },
+    "#types/pointer": {
+      "types": "./src/types/pointer/index.ts",
+      "default": "./dist/src/types/pointer/index.js"
+    },
+    "#types/program": {
+      "types": "./src/types/program/index.ts",
+      "default": "./dist/src/types/program/index.js"
+    },
+    "#types/type": {
+      "types": "./src/types/type/index.ts",
+      "default": "./dist/src/types/type/index.js"
+    },
+    "#test/*": "./test/*.ts"
+  },
   "scripts": {
     "prepare:yamls": "node ./bin/generate-schema-yamls.js",
     "prepare": "yarn prepare:yamls && tsc",
diff --git a/packages/format/src/index.ts b/packages/format/src/index.ts
index 45840f0f..e39b6f9b 100644
--- a/packages/format/src/index.ts
+++ b/packages/format/src/index.ts
@@ -1,4 +1,4 @@
-export * from "./describe.js";
-export { schemas, schemaIds, type Schema } from "./schemas/index.js";
+export * from "#describe";
+export { schemas, schemaIds, type Schema } from "#schemas";
 
-export * from "./types/index.js";
+export * from "#types";
diff --git a/packages/format/src/schemas/examples.test.ts b/packages/format/src/schemas/examples.test.ts
index a8224dbe..0b77fbd0 100644
--- a/packages/format/src/schemas/examples.test.ts
+++ b/packages/format/src/schemas/examples.test.ts
@@ -1,11 +1,11 @@
 import { expect, describe, it } from "vitest";
 
-import { schemaExtensions } from "../../test/extensions.js";
+import { schemaExtensions } from "#test/extensions";
 import { schemas } from "./index.js";
-import type { JSONSchema } from "../describe.js";
+import type { JSONSchema } from "#describe";
 
 // loads schemas into global hyperjump json schema validator
-import "../../test/hyperjump.js";
+import "#test/hyperjump";
 
 const idsOfSchemasAllowedToOmitExamples = new Set([
   "schema:ethdebug/format/type",
diff --git a/packages/format/src/schemas/index.ts b/packages/format/src/schemas/index.ts
index f1f9b2bd..fc62290f 100644
--- a/packages/format/src/schemas/index.ts
+++ b/packages/format/src/schemas/index.ts
@@ -1,4 +1,4 @@
-import { describeSchema } from "../describe.js";
+import { describeSchema } from "#describe";
 import { schemaYamls } from "./yamls.js";
 export type { Schema } from "./yamls.js";
 
diff --git a/packages/format/src/schemas/validity.test.ts b/packages/format/src/schemas/validity.test.ts
index 109876f8..7d4fe72e 100644
--- a/packages/format/src/schemas/validity.test.ts
+++ b/packages/format/src/schemas/validity.test.ts
@@ -8,7 +8,7 @@ import {
 import { schemas } from "./index.js";
 
 // loads schemas into global hyperjump json schema validator
-import "../../test/hyperjump.js";
+import "#test/hyperjump";
 
 const printErrors = (output: { errors?: OutputUnit[] }): string =>
   output
diff --git a/packages/format/src/types/data/index.test.ts b/packages/format/src/types/data/index.test.ts
index 2a7cf75a..1060badc 100644
--- a/packages/format/src/types/data/index.test.ts
+++ b/packages/format/src/types/data/index.test.ts
@@ -1,4 +1,4 @@
-import { testSchemaGuards } from "../../../test/guards.js";
+import { testSchemaGuards } from "#test/guards";
 
 import { Data } from "./index.js";
 
diff --git a/packages/format/src/types/index.ts b/packages/format/src/types/index.ts
index 47bef942..2fe2bc29 100644
--- a/packages/format/src/types/index.ts
+++ b/packages/format/src/types/index.ts
@@ -1,5 +1,5 @@
-export * from "./data/index.js";
-export * from "./materials/index.js";
-export * from "./type/index.js";
-export * from "./pointer/index.js";
-export * from "./program/index.js";
+export * from "#types/data";
+export * from "#types/materials";
+export * from "#types/type";
+export * from "#types/pointer";
+export * from "#types/program";
diff --git a/packages/format/src/types/materials/index.test.ts b/packages/format/src/types/materials/index.test.ts
index 0cd0ba34..99898519 100644
--- a/packages/format/src/types/materials/index.test.ts
+++ b/packages/format/src/types/materials/index.test.ts
@@ -1,4 +1,4 @@
-import { testSchemaGuards } from "../../../test/guards.js";
+import { testSchemaGuards } from "#test/guards";
 import { Materials } from "./index.js";
 
 testSchemaGuards("ethdebug/format/materials", [
diff --git a/packages/format/src/types/materials/index.ts b/packages/format/src/types/materials/index.ts
index 1be38c48..db3b2513 100644
--- a/packages/format/src/types/materials/index.ts
+++ b/packages/format/src/types/materials/index.ts
@@ -1,4 +1,4 @@
-import { Data } from "../data/index.js";
+import { Data } from "#types/data";
 
 export namespace Materials {
   export type Id = number | string;
diff --git a/packages/format/src/types/pointer/pointer.test.ts b/packages/format/src/types/pointer/pointer.test.ts
index 325b5dd7..eb2457a2 100644
--- a/packages/format/src/types/pointer/pointer.test.ts
+++ b/packages/format/src/types/pointer/pointer.test.ts
@@ -1,4 +1,4 @@
-import { testSchemaGuards } from "../../../test/guards.js";
+import { testSchemaGuards } from "#test/guards";
 
 import { Pointer, isPointer } from "./pointer.js";
 
diff --git a/packages/format/src/types/program/context.test.ts b/packages/format/src/types/program/context.test.ts
index cb182fe4..47185c7c 100644
--- a/packages/format/src/types/program/context.test.ts
+++ b/packages/format/src/types/program/context.test.ts
@@ -1,4 +1,4 @@
-import { testSchemaGuards } from "../../../test/guards.js";
+import { testSchemaGuards } from "#test/guards";
 import { Context, isContext } from "./context.js";
 
 testSchemaGuards("ethdebug/format/program/context", [
diff --git a/packages/format/src/types/program/context.ts b/packages/format/src/types/program/context.ts
index ebef4f52..6a552734 100644
--- a/packages/format/src/types/program/context.ts
+++ b/packages/format/src/types/program/context.ts
@@ -1,6 +1,6 @@
-import { Materials } from "../materials/index.js";
-import { Type, isType } from "../type/index.js";
-import { Pointer, isPointer } from "../pointer/index.js";
+import { Materials } from "#types/materials";
+import { Type, isType } from "#types/type";
+import { Pointer, isPointer } from "#types/pointer";
 
 export type Context =
   | Context.Code
diff --git a/packages/format/src/types/program/instruction.test.ts b/packages/format/src/types/program/instruction.test.ts
index 1c5f694a..eb29b36f 100644
--- a/packages/format/src/types/program/instruction.test.ts
+++ b/packages/format/src/types/program/instruction.test.ts
@@ -1,4 +1,4 @@
-import { testSchemaGuards } from "../../../test/guards.js";
+import { testSchemaGuards } from "#test/guards";
 import { isInstruction } from "./instruction.js";
 
 testSchemaGuards("ethdebug/format/program/instruction", [
diff --git a/packages/format/src/types/program/instruction.ts b/packages/format/src/types/program/instruction.ts
index 79223dbb..005d8c8e 100644
--- a/packages/format/src/types/program/instruction.ts
+++ b/packages/format/src/types/program/instruction.ts
@@ -1,4 +1,4 @@
-import { Data } from "../data/index.js";
+import { Data } from "#types/data";
 
 import { Context, isContext } from "./context.js";
 
diff --git a/packages/format/src/types/program/program.test.ts b/packages/format/src/types/program/program.test.ts
index cd74502e..75a5af96 100644
--- a/packages/format/src/types/program/program.test.ts
+++ b/packages/format/src/types/program/program.test.ts
@@ -1,4 +1,4 @@
-import { testSchemaGuards } from "../../../test/guards.js";
+import { testSchemaGuards } from "#test/guards";
 import { isProgram } from "./program.js";
 
 testSchemaGuards("ethdebug/format/program", [
diff --git a/packages/format/src/types/program/program.ts b/packages/format/src/types/program/program.ts
index 2272baac..fdbd4c11 100644
--- a/packages/format/src/types/program/program.ts
+++ b/packages/format/src/types/program/program.ts
@@ -1,4 +1,4 @@
-import { Materials } from "../materials/index.js";
+import { Materials } from "#types/materials";
 
 import { Context as _Context, isContext as _isContext } from "./context.js";
 
diff --git a/packages/format/src/types/type/base.test.ts b/packages/format/src/types/type/base.test.ts
index dfc44568..685de7de 100644
--- a/packages/format/src/types/type/base.test.ts
+++ b/packages/format/src/types/type/base.test.ts
@@ -1,4 +1,4 @@
-import { testSchemaGuards } from "../../../test/guards.js";
+import { testSchemaGuards } from "#test/guards";
 import * as Base from "./base.js";
 
 testSchemaGuards("ethdebug/format/type/base", [
diff --git a/packages/format/src/types/type/index.test.ts b/packages/format/src/types/type/index.test.ts
index 3af9b049..61a5349c 100644
--- a/packages/format/src/types/type/index.test.ts
+++ b/packages/format/src/types/type/index.test.ts
@@ -1,4 +1,4 @@
-import { testSchemaGuards } from "../../../test/guards.js";
+import { testSchemaGuards } from "#test/guards";
 import { Type, isType } from "./index.js";
 
 testSchemaGuards("ethdebug/format/type", [
diff --git a/packages/format/src/types/type/index.ts b/packages/format/src/types/type/index.ts
index b3721a2d..c53d0230 100644
--- a/packages/format/src/types/type/index.ts
+++ b/packages/format/src/types/type/index.ts
@@ -1,5 +1,5 @@
-import { Data } from "../data/index.js";
-import { Materials } from "../materials/index.js";
+import { Data } from "#types/data";
+import { Materials } from "#types/materials";
 
 import * as _Base from "./base.js";
 
diff --git a/packages/format/tsconfig.json b/packages/format/tsconfig.json
index 52b9fef6..3f20c15a 100644
--- a/packages/format/tsconfig.json
+++ b/packages/format/tsconfig.json
@@ -6,7 +6,19 @@
     "moduleResolution": "nodenext",
     "exactOptionalPropertyTypes": true,
     "rootDir": "./",
-    "outDir": "./dist/"
+    "outDir": "./dist/",
+    "baseUrl": "./",
+    "paths": {
+      "#describe": ["./src/describe"],
+      "#schemas": ["./src/schemas/index"],
+      "#types": ["./src/types/index"],
+      "#types/data": ["./src/types/data/index"],
+      "#types/materials": ["./src/types/materials/index"],
+      "#types/pointer": ["./src/types/pointer/index"],
+      "#types/program": ["./src/types/program/index"],
+      "#types/type": ["./src/types/type/index"],
+      "#test/*": ["./test/*"]
+    }
   },
   "include": ["./src/**/*.ts", "./test/**/*.ts", "./*.ts"]
 }
diff --git a/packages/pointers/package.json b/packages/pointers/package.json
index 177d368e..7de1fa7a 100644
--- a/packages/pointers/package.json
+++ b/packages/pointers/package.json
@@ -5,6 +5,37 @@
   "main": "dist/src/index.js",
   "type": "module",
   "license": "MIT",
+  "imports": {
+    "#cursor": {
+      "types": "./src/cursor.ts",
+      "default": "./dist/src/cursor.js"
+    },
+    "#data": {
+      "types": "./src/data.ts",
+      "default": "./dist/src/data.js"
+    },
+    "#evaluate": {
+      "types": "./src/evaluate.ts",
+      "default": "./dist/src/evaluate.js"
+    },
+    "#machine": {
+      "types": "./src/machine.ts",
+      "default": "./dist/src/machine.js"
+    },
+    "#read": {
+      "types": "./src/read.ts",
+      "default": "./dist/src/read.js"
+    },
+    "#dereference": {
+      "types": "./src/dereference/index.ts",
+      "default": "./dist/src/dereference/index.js"
+    },
+    "#dereference/*": {
+      "types": "./src/dereference/*.ts",
+      "default": "./dist/src/dereference/*.js"
+    },
+    "#test/*": "./test/*.ts"
+  },
   "scripts": {
     "run-example": "node ./dist/bin/run-example.js",
     "prepare": "tsc --build",
diff --git a/packages/pointers/src/cursor.ts b/packages/pointers/src/cursor.ts
index 4abb4532..56be57cd 100644
--- a/packages/pointers/src/cursor.ts
+++ b/packages/pointers/src/cursor.ts
@@ -1,6 +1,6 @@
 import type { Pointer } from "@ethdebug/format";
-import type { Machine } from "./machine.js";
-import type { Data } from "./data.js";
+import type { Machine } from "#machine";
+import type { Data } from "#data";
 
 /**
  * The result of dereferencing a pointer
diff --git a/packages/pointers/src/dereference/cursor.ts b/packages/pointers/src/dereference/cursor.ts
index 7b0b68b9..d84b5f1d 100644
--- a/packages/pointers/src/dereference/cursor.ts
+++ b/packages/pointers/src/dereference/cursor.ts
@@ -1,6 +1,6 @@
-import type { Machine } from "../machine.js";
-import type { Cursor } from "../cursor.js";
-import { read } from "../read.js";
+import type { Machine } from "#machine";
+import type { Cursor } from "#cursor";
+import { read } from "#read";
 
 export function createCursor(
   simpleCursor: (state: Machine.State) => AsyncIterable<Cursor.Region>,
diff --git a/packages/pointers/src/dereference/generate.ts b/packages/pointers/src/dereference/generate.ts
index 96d823fe..f6e1b522 100644
--- a/packages/pointers/src/dereference/generate.ts
+++ b/packages/pointers/src/dereference/generate.ts
@@ -1,7 +1,7 @@
 import type { Pointer } from "@ethdebug/format";
-import type { Machine } from "../machine.js";
-import type { Cursor } from "../cursor.js";
-import type { Data } from "../data.js";
+import type { Machine } from "#machine";
+import type { Cursor } from "#cursor";
+import type { Data } from "#data";
 
 import { Memo } from "./memo.js";
 import { processPointer, type ProcessOptions } from "./process.js";
diff --git a/packages/pointers/src/dereference/index.test.ts b/packages/pointers/src/dereference/index.test.ts
index 2799b752..b1514628 100644
--- a/packages/pointers/src/dereference/index.test.ts
+++ b/packages/pointers/src/dereference/index.test.ts
@@ -1,7 +1,7 @@
 import { vitest, expect, describe, it, beforeEach } from "vitest";
 import { Pointer } from "@ethdebug/format";
-import { Machine } from "../machine.js";
-import { Data } from "../data.js";
+import { Machine } from "#machine";
+import { Data } from "#data";
 import { dereference } from "./index.js";
 
 describe("dereference", () => {
diff --git a/packages/pointers/src/dereference/index.ts b/packages/pointers/src/dereference/index.ts
index cd3cd75d..8c6f5911 100644
--- a/packages/pointers/src/dereference/index.ts
+++ b/packages/pointers/src/dereference/index.ts
@@ -1,6 +1,6 @@
 import type { Pointer } from "@ethdebug/format";
-import type { Machine } from "../machine.js";
-import type { Cursor } from "../cursor.js";
+import type { Machine } from "#machine";
+import type { Cursor } from "#cursor";
 
 import { generateRegions, type GenerateRegionsOptions } from "./generate.js";
 import { createCursor } from "./cursor.js";
diff --git a/packages/pointers/src/dereference/memo.ts b/packages/pointers/src/dereference/memo.ts
index 18e6194e..09ad3631 100644
--- a/packages/pointers/src/dereference/memo.ts
+++ b/packages/pointers/src/dereference/memo.ts
@@ -1,6 +1,6 @@
 import type { Pointer } from "@ethdebug/format";
-import type { Cursor } from "../cursor.js";
-import type { Data } from "../data.js";
+import type { Cursor } from "#cursor";
+import type { Data } from "#data";
 
 /**
  * A single state transition for processing on a stack
diff --git a/packages/pointers/src/dereference/process.ts b/packages/pointers/src/dereference/process.ts
index 8d4756e8..2a729c96 100644
--- a/packages/pointers/src/dereference/process.ts
+++ b/packages/pointers/src/dereference/process.ts
@@ -1,8 +1,8 @@
 import { Pointer } from "@ethdebug/format";
-import type { Machine } from "../machine.js";
-import type { Cursor } from "../cursor.js";
-import { Data } from "../data.js";
-import { evaluate } from "../evaluate.js";
+import type { Machine } from "#machine";
+import type { Cursor } from "#cursor";
+import { Data } from "#data";
+import { evaluate } from "#evaluate";
 
 import { Memo } from "./memo.js";
 import { adjustStackLength, evaluateRegion } from "./region.js";
diff --git a/packages/pointers/src/dereference/region.ts b/packages/pointers/src/dereference/region.ts
index 3dca9df9..f50f2cd5 100644
--- a/packages/pointers/src/dereference/region.ts
+++ b/packages/pointers/src/dereference/region.ts
@@ -1,7 +1,7 @@
 import { Pointer } from "@ethdebug/format";
-import type { Cursor } from "../cursor.js";
-import type { Data } from "../data.js";
-import { evaluate, type EvaluateOptions } from "../evaluate.js";
+import type { Cursor } from "#cursor";
+import type { Data } from "#data";
+import { evaluate, type EvaluateOptions } from "#evaluate";
 
 /**
  * Evaluate all Pointer.Expression-value properties on a given region
diff --git a/packages/pointers/src/evaluate.test.ts b/packages/pointers/src/evaluate.test.ts
index eeb5ee2f..5a25394c 100644
--- a/packages/pointers/src/evaluate.test.ts
+++ b/packages/pointers/src/evaluate.test.ts
@@ -5,9 +5,9 @@ import { toHex } from "ethereum-cryptography/utils";
 
 import { Pointer } from "@ethdebug/format";
 
-import { Machine } from "./machine.js";
-import { Data } from "./data.js";
-import { Cursor } from "./cursor.js";
+import { Machine } from "#machine";
+import { Data } from "#data";
+import { Cursor } from "#cursor";
 import { evaluate, type EvaluateOptions } from "./evaluate.js";
 
 // Create a stub for the Machine.State interface
diff --git a/packages/pointers/src/evaluate.ts b/packages/pointers/src/evaluate.ts
index 586ca729..724c48e3 100644
--- a/packages/pointers/src/evaluate.ts
+++ b/packages/pointers/src/evaluate.ts
@@ -1,8 +1,8 @@
 import { Pointer } from "@ethdebug/format";
-import { Machine } from "./machine.js";
-import { Data } from "./data.js";
-import type { Cursor } from "./cursor.js";
-import { read } from "./read.js";
+import { Machine } from "#machine";
+import { Data } from "#data";
+import type { Cursor } from "#cursor";
+import { read } from "#read";
 import { keccak256 } from "ethereum-cryptography/keccak";
 
 export interface EvaluateOptions {
diff --git a/packages/pointers/src/index.ts b/packages/pointers/src/index.ts
index 78924bea..5475fbbf 100644
--- a/packages/pointers/src/index.ts
+++ b/packages/pointers/src/index.ts
@@ -1,5 +1,5 @@
-export { dereference, DereferenceOptions } from "./dereference/index.js";
-export { Cursor } from "./cursor.js";
+export { dereference, DereferenceOptions } from "#dereference";
+export { Cursor } from "#cursor";
 
-export type { Machine } from "./machine.js";
-export { Data } from "./data.js";
+export type { Machine } from "#machine";
+export { Data } from "#data";
diff --git a/packages/pointers/src/machine.ts b/packages/pointers/src/machine.ts
index c3eb357a..293140ce 100644
--- a/packages/pointers/src/machine.ts
+++ b/packages/pointers/src/machine.ts
@@ -1,4 +1,4 @@
-import type { Data } from "./data.js";
+import type { Data } from "#data";
 
 export interface Machine {
   trace(): AsyncIterable<Machine.State>;
diff --git a/packages/pointers/src/read.test.ts b/packages/pointers/src/read.test.ts
index 7a037efe..c30f8849 100644
--- a/packages/pointers/src/read.test.ts
+++ b/packages/pointers/src/read.test.ts
@@ -2,10 +2,10 @@ import { vitest, expect, describe, it, beforeEach } from "vitest";
 
 import type { Pointer } from "@ethdebug/format";
 
-import { Machine } from "./machine.js";
-import { Data } from "./data.js";
+import { Machine } from "#machine";
+import { Data } from "#data";
 import { read, type ReadOptions } from "./read.js";
-import { Cursor } from "./cursor.js";
+import { Cursor } from "#cursor";
 
 describe("read", () => {
   let options: ReadOptions;
diff --git a/packages/pointers/src/read.ts b/packages/pointers/src/read.ts
index 1128aeca..339a52ae 100644
--- a/packages/pointers/src/read.ts
+++ b/packages/pointers/src/read.ts
@@ -1,7 +1,7 @@
 import { Pointer } from "@ethdebug/format";
-import { Machine } from "./machine.js";
-import { Data } from "./data.js";
-import type { Cursor } from "./cursor.js";
+import { Machine } from "#machine";
+import { Data } from "#data";
+import type { Cursor } from "#cursor";
 
 export interface ReadOptions {
   state: Machine.State;
diff --git a/packages/pointers/tsconfig.json b/packages/pointers/tsconfig.json
index 2e1ab2b9..5621f6e6 100644
--- a/packages/pointers/tsconfig.json
+++ b/packages/pointers/tsconfig.json
@@ -2,7 +2,18 @@
   "extends": "../../tsconfig.base.json",
   "compilerOptions": {
     "rootDir": "./",
-    "outDir": "./dist/"
+    "outDir": "./dist/",
+    "baseUrl": "./",
+    "paths": {
+      "#cursor": ["./src/cursor"],
+      "#data": ["./src/data"],
+      "#evaluate": ["./src/evaluate"],
+      "#machine": ["./src/machine"],
+      "#read": ["./src/read"],
+      "#dereference": ["./src/dereference/index"],
+      "#dereference/*": ["./src/dereference/*"],
+      "#test/*": ["./test/*"]
+    }
   },
   "references": [{ "path": "../format" }]
 }