diff --git a/bench/CHANGELOG.md b/bench/CHANGELOG.md
index e59f70db..80d87e20 100644
--- a/bench/CHANGELOG.md
+++ b/bench/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.3.8
+
+- Resolve package-owned fixtures and scripts from both source and compiled installs, and prove ToolLLM fixture loading from the packed package.
+
 ## 0.3.7
 
 - Declare the public executable search path for Pier candidate entrypoints so the exact process contract can replay them against `@tangle-network/agent-runtime@0.102.0`.
diff --git a/bench/package.json b/bench/package.json
index f185f3bb..1bf21f0b 100644
--- a/bench/package.json
+++ b/bench/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@tangle-network/agent-bench",
-  "version": "0.3.7",
+  "version": "0.3.8",
   "type": "module",
   "description": "The unified benchmark suite for agent-runtime agents: 31 adapters (commit0, enterpriseops-gym, ragbench, crag, nomiracl, open-rag-bench, t2-ragbench, tau3-banking, bfcl, finresearchbench, …) behind one resolveAdapter registry, each with a real judge or fail-loud unsupported scorer. Score any profile/skill/prompt change against them. Map: bench/HARNESS.md.",
   "repository": {
diff --git a/bench/scripts/verify-packed-consumer.mjs b/bench/scripts/verify-packed-consumer.mjs
index ccfe2c4f..21fde2ab 100644
--- a/bench/scripts/verify-packed-consumer.mjs
+++ b/bench/scripts/verify-packed-consumer.mjs
@@ -120,7 +120,7 @@ try {
   )
   await writeFile(
     path.join(consumerDir, 'index.mjs'),
-    "import { resolveAdapter, runBenchmarks } from '@tangle-network/agent-bench'\nimport { ADAPTERS } from '@tangle-network/agent-bench/adapters'\nimport { createCragAdapter } from '@tangle-network/agent-bench/benchmarks/crag'\n\nif (typeof resolveAdapter !== 'function' || typeof runBenchmarks !== 'function') throw new Error('root exports are not executable')\nif (typeof ADAPTERS !== 'object' || typeof createCragAdapter !== 'function') throw new Error('subpath exports are not executable')\nif (resolveAdapter('crag').name !== 'crag') throw new Error('compiled adapter registry returned the wrong adapter')\n",
+    "import { resolveAdapter, runBenchmarks } from '@tangle-network/agent-bench'\nimport { ADAPTERS } from '@tangle-network/agent-bench/adapters'\nimport { createCragAdapter } from '@tangle-network/agent-bench/benchmarks/crag'\n\nif (typeof resolveAdapter !== 'function' || typeof runBenchmarks !== 'function') throw new Error('root exports are not executable')\nif (typeof ADAPTERS !== 'object' || typeof createCragAdapter !== 'function') throw new Error('subpath exports are not executable')\nif (resolveAdapter('crag').name !== 'crag') throw new Error('compiled adapter registry returned the wrong adapter')\nprocess.env.TOOLLM_FIXTURES = '1'\nconst toolLlmTasks = await resolveAdapter('toollm').loadTasks({ limit: 1 })\nif (toolLlmTasks.length !== 1 || toolLlmTasks[0]?.id !== '1') throw new Error('packed ToolLLM fixture loading failed')\n",
   )
   await writeFile(
     path.join(consumerDir, 'tsconfig.json'),
diff --git a/bench/src/benchmarks/_harness.ts b/bench/src/benchmarks/_harness.ts
index 7f82c53c..f123db89 100644
--- a/bench/src/benchmarks/_harness.ts
+++ b/bench/src/benchmarks/_harness.ts
@@ -18,6 +18,7 @@
 
 import { execFile, spawn } from 'node:child_process'
 import { createHash } from 'node:crypto'
+import { existsSync, readFileSync } from 'node:fs'
 import {
   cp,
   lstat,
@@ -42,8 +43,25 @@ import type {
 
 const execFileAsync = promisify(execFile)
 
-/** Repo root for the bench package (…/bench), so `.venv` and `fixtures` resolve. */
-export const benchRoot = fileURLToPath(new URL('../..', import.meta.url))
+/** Locate the package by identity because source files and compiled chunks have different depths. */
+function resolveBenchRoot(moduleUrl: string): string {
+  let current = dirname(fileURLToPath(moduleUrl))
+  while (true) {
+    const manifestPath = join(current, 'package.json')
+    if (existsSync(manifestPath)) {
+      const manifest = JSON.parse(readFileSync(manifestPath, 'utf8')) as { name?: unknown }
+      if (manifest.name === '@tangle-network/agent-bench') return current
+    }
+    const parent = dirname(current)
+    if (parent === current) {
+      throw new Error(`Unable to locate @tangle-network/agent-bench from ${moduleUrl}`)
+    }
+    current = parent
+  }
+}
+
+/** Package root for agent-bench, so `.venv`, scripts, and fixtures resolve. */
+export const benchRoot = resolveBenchRoot(import.meta.url)
 
 /** Resolve the shared interpreter without requiring an installed package to contain a venv. */
 export function resolveBenchPython(