diff --git a/.changeset/humble-tigers-tumble.md b/.changeset/humble-tigers-tumble.md
new file mode 100644
index 000000000..ebc2429a8
--- /dev/null
+++ b/.changeset/humble-tigers-tumble.md
@@ -0,0 +1,5 @@
+---
+type: Fixed
+pr: 642
+---
+**`/gsd-import`, `/gsd-plan-review-convergence`, and `/gsd-spec-phase` now run on global installs** — these workflows resolve `gsd-tools` via the runtime launcher instead of a hardcoded `$HOME` path, so they no longer falsely report the tool as "not found" (and stop short) when only a global/shim install is present and no project-local runtime exists.
diff --git a/gsd-core/workflows/ingest-docs.md b/gsd-core/workflows/ingest-docs.md
index 06985a4e3..f654cd004 100644
--- a/gsd-core/workflows/ingest-docs.md
+++ b/gsd-core/workflows/ingest-docs.md
@@ -52,7 +52,8 @@ If `PATH_NOT_FOUND` or `MANIFEST_NOT_FOUND`: display error and exit.
 Run the init query:
 
 ```bash
-INIT=$(node "$HOME/.claude/gsd-core/bin/gsd-tools.cjs" init ingest-docs)
+_GSD_SHIM_NAME="gsd-tools.cjs"; _GSD_RUNTIME_ROOT="${RUNTIME_DIR:-$(git rev-parse --show-toplevel 2>/dev/null || pwd)}"; GSD_TOOLS="${_GSD_RUNTIME_ROOT}/gsd-core/bin/${_GSD_SHIM_NAME}"; if [ -f "$GSD_TOOLS" ]; then gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${_GSD_RUNTIME_ROOT}/.claude/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${_GSD_RUNTIME_ROOT}/.claude/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif command -v gsd-tools >/dev/null 2>&1; then GSD_TOOLS="$(command -v gsd-tools)"; gsd_run() { "$GSD_TOOLS" "$@"; }; elif [ -f "$HOME/.claude/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="$HOME/.claude/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; else echo "ERROR: gsd-tools.cjs not found at $GSD_TOOLS and gsd-tools is not on PATH. Run: npx -y @opengsd/gsd-core@latest --claude --local" >&2; exit 1; fi
+INIT=$(gsd_run init ingest-docs)
 if [[ "$INIT" == @file:* ]]; then INIT=$(cat "${INIT#@file:}"); fi
 ```
 
@@ -295,7 +296,7 @@ Preview the merge diff to the user and gate via approve-revise-abort before writ
 Commit the ingest results:
 
 ```bash
-node "$HOME/.claude/gsd-core/bin/gsd-tools.cjs" commit \
+gsd_run commit \
   "docs: ingest {N} docs from {SCAN_PATH} (#2387)" --files \
   .planning/PROJECT.md \
   .planning/REQUIREMENTS.md \
diff --git a/gsd-core/workflows/plan-review-convergence.md b/gsd-core/workflows/plan-review-convergence.md
index 374bf8aac..eaacfefeb 100644
--- a/gsd-core/workflows/plan-review-convergence.md
+++ b/gsd-core/workflows/plan-review-convergence.md
@@ -63,7 +63,7 @@ Then re-run: /gsd:plan-review-convergence {PHASE}
 ## 2. Initialize
 
 ```bash
-INIT=$(node "$HOME/.claude/gsd-core/bin/gsd-tools.cjs" init plan-phase "$PHASE")
+INIT=$(gsd_run init plan-phase "$PHASE")
 if [[ "$INIT" == @file:* ]]; then INIT=$(cat "${INIT#@file:}"); fi
 ```
 
@@ -76,7 +76,7 @@ Set `TEXT_MODE=true` if `--text` is present in $ARGUMENTS OR `text_mode` from in
 ## 3. Validate Phase + Pre-flight Gate
 
 ```bash
-PHASE_INFO=$(node "$HOME/.claude/gsd-core/bin/gsd-tools.cjs" roadmap get-phase "${PHASE}")
+PHASE_INFO=$(gsd_run roadmap get-phase "${PHASE}")
 ```
 
 **If `found` is false:** Error with available phases. Exit.
@@ -230,7 +230,7 @@ fi
 **If HIGH_COUNT == 0 (converged):**
 
 ```bash
-node "$HOME/.claude/gsd-core/bin/gsd-tools.cjs" state planned-phase --phase "${PHASE}" --name "${phase_name}" --plans "${PLAN_COUNT}"
+gsd_run state planned-phase --phase "${PHASE}" --name "${phase_name}" --plans "${PLAN_COUNT}"
 ```
 
 Display:
diff --git a/gsd-core/workflows/spec-phase.md b/gsd-core/workflows/spec-phase.md
index 620b132f3..5ae0f3d16 100644
--- a/gsd-core/workflows/spec-phase.md
+++ b/gsd-core/workflows/spec-phase.md
@@ -56,7 +56,8 @@ Rotate through these perspectives — each naturally surfaces different blindspo
 ## Step 1: Initialize
 
 ```bash
-INIT=$(node "$HOME/.claude/gsd-core/bin/gsd-tools.cjs" init phase-op "${PHASE}")
+_GSD_SHIM_NAME="gsd-tools.cjs"; _GSD_RUNTIME_ROOT="${RUNTIME_DIR:-$(git rev-parse --show-toplevel 2>/dev/null || pwd)}"; GSD_TOOLS="${_GSD_RUNTIME_ROOT}/gsd-core/bin/${_GSD_SHIM_NAME}"; if [ -f "$GSD_TOOLS" ]; then gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${_GSD_RUNTIME_ROOT}/.claude/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${_GSD_RUNTIME_ROOT}/.claude/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif command -v gsd-tools >/dev/null 2>&1; then GSD_TOOLS="$(command -v gsd-tools)"; gsd_run() { "$GSD_TOOLS" "$@"; }; elif [ -f "$HOME/.claude/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="$HOME/.claude/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; else echo "ERROR: gsd-tools.cjs not found at $GSD_TOOLS and gsd-tools is not on PATH. Run: npx -y @opengsd/gsd-core@latest --claude --local" >&2; exit 1; fi
+INIT=$(gsd_run init phase-op "${PHASE}")
 if [[ "$INIT" == @file:* ]]; then INIT=$(cat "${INIT#@file:}"); fi
 ```
 
diff --git a/tests/bug-2801-ingest-docs-handler.test.cjs b/tests/bug-2801-ingest-docs-handler.test.cjs
index 5627b5b2b..7ed979676 100644
--- a/tests/bug-2801-ingest-docs-handler.test.cjs
+++ b/tests/bug-2801-ingest-docs-handler.test.cjs
@@ -126,19 +126,21 @@ describe('bug-2801: ingest-docs.md workflow calls gsd-tools not gsd-sdk', () =>
     );
   });
 
-  test('ingest-docs.md init step uses canonical node-path gsd-tools.cjs invocation', () => {
+  test('ingest-docs.md init step uses the gsd_run launcher (#637)', () => {
     const content = fs.readFileSync(WORKFLOW_FILE, 'utf-8');
     // Parse fenced bash blocks structurally — do not match raw markdown text.
     const codeBlockRe = /```bash\r?\n([\s\S]*?)```/g;
     const bashLines = [...content.matchAll(codeBlockRe)]
       .flatMap((m) => m[1].split('\n'))
       .filter((l) => !/^\s*#/.test(l));
-    // Per #2851 the only valid form is the absolute-path node invocation; the
-    // legacy bare `gsd-tools` is the bug being fixed and must not be accepted.
+    // #637 routes ingest-docs through the resolved `gsd_run` launcher instead of
+    // the hardcoded `node "$HOME/.../gsd-tools.cjs"` path (which misses global
+    // installs). The legacy bare `gsd-tools` form remains the bug and is still
+    // rejected by bug-2851's repo-wide guard.
     const initLine = bashLines.find((l) =>
-      /\bnode\s+["']?\$HOME\/\.claude\/gsd-core\/bin\/gsd-tools\.cjs["']?\s+init\s+ingest-docs\b/.test(l)
+      /\bgsd_run\s+init\s+ingest-docs\b/.test(l)
     );
-    assert.ok(initLine, 'workflow must invoke init ingest-docs via canonical node-path gsd-tools.cjs');
+    assert.ok(initLine, 'workflow must invoke init ingest-docs via the gsd_run launcher (#637)');
   });
 
   test('cmdInitIngestDocs is exported from init.cjs', () => {
diff --git a/tests/bug-637-workflow-no-hardcoded-home-tool.test.cjs b/tests/bug-637-workflow-no-hardcoded-home-tool.test.cjs
new file mode 100644
index 000000000..91ce02e47
--- /dev/null
+++ b/tests/bug-637-workflow-no-hardcoded-home-tool.test.cjs
@@ -0,0 +1,67 @@
+// allow-test-rule: source-text-is-the-product
+// Workflow .md text IS what the runtime loads and the agent executes, so
+// asserting on its shell invocations tests the deployed contract directly.
+//
+// Repo-wide regression guard for #637 (generalizes the plan-phase-only guard
+// from #621): NO workflow .md may invoke gsd-tools via a hardcoded
+// `node "$HOME/.../gsd-tools.cjs"` path. On a global/shim-only install with no
+// project-local runtime, that path can miss a working install, so the step
+// reports the tool "not found" instead of resolving it. Every invocation must
+// go through the `gsd_run` launcher (defined once per file in the canonical
+// preamble, which resolves RUNTIME_DIR → .claude → PATH → $HOME in order).
+//
+// The parity test (runtime-launcher-parity) guards the retired $GSD_SDK and
+// bare /gsd-tools tokens but NOT this hardcoded-node form — which is exactly
+// how it survived across plan-phase.md (#621) and three more files (#637).
+
+'use strict';
+
+const { describe, test } = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const path = require('node:path');
+
+const WORKFLOWS_DIR = path.join(__dirname, '..', 'gsd-core', 'workflows');
+
+// Hardcoded direct invocation form. Distinct from the canonical preamble, which
+// references $HOME only inside a `[ -f "$HOME/..." ]` probe / `GSD_TOOLS=`
+// assignment and always invokes `node "$GSD_TOOLS"` — never `node "$HOME/..."`.
+const HARDCODED_HOME_INVOCATION = /node\s+"\$HOME\/[^"]*gsd-tools\.cjs"/;
+
+function collectWorkflowMarkdown(dir) {
+  const out = [];
+  for (const entry of fs.readdirSync(dir, { withFileTypes: true })) {
+    const full = path.join(dir, entry.name);
+    if (entry.isDirectory()) {
+      out.push(...collectWorkflowMarkdown(full));
+    } else if (entry.isFile() && entry.name.endsWith('.md')) {
+      out.push(full);
+    }
+  }
+  return out;
+}
+
+describe('bug #637: no workflow .md hardcodes a $HOME gsd-tools invocation', () => {
+  test('every gsd-core/workflows/**/*.md resolves gsd-tools via gsd_run, not a hardcoded $HOME path', () => {
+    const files = collectWorkflowMarkdown(WORKFLOWS_DIR);
+    assert.ok(files.length > 0, 'expected workflow markdown files to exist');
+
+    const offenders = [];
+    for (const file of files) {
+      const lines = fs.readFileSync(file, 'utf8').split(/\r?\n/);
+      lines.forEach((line, i) => {
+        if (HARDCODED_HOME_INVOCATION.test(line)) {
+          offenders.push(`${path.relative(WORKFLOWS_DIR, file)}:${i + 1}: ${line.trim()}`);
+        }
+      });
+    }
+
+    assert.deepStrictEqual(
+      offenders,
+      [],
+      'Workflow files must invoke gsd-tools via the resolved `gsd_run` launcher, ' +
+        'not a hardcoded `node "$HOME/.../gsd-tools.cjs"` path. Offenders:\n' +
+        offenders.join('\n'),
+    );
+  });
+});