diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 72d1b6e9..aa4f3f95 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,21 @@ jobs:
       - run: pnpm install --frozen-lockfile
       - run: pnpm -r run build
       - run: pnpm -r run typecheck
-      - run: pnpm -r run test   # amico-run suite (incl. S31 grep rule) + extension unit suite
+      - run: pnpm -r run test   # amico-run suite (incl. S31 grep rule) + extension unit suite + @amicode/schema conformance
+      - name: amico-validate — shipped configs conform + linked bin works (0.1c gate)
+        run: |
+          # Exercise the LINKED bin via a dependent (the bin links into amico-run /
+          # extension, not the root) so a broken bin entry reds. (Jack's #30.)
+          pnpm --filter amicode-v2 exec amico-validate --help
+          # File validations via the launcher (root-relative paths, real bin target).
+          V="packages/schema/launcher/amico-validate"
+          $V packages/extension/scripts/lab.toml.example --schema lab
+          $V packages/extension/demo/run/run.toml
+          $V packages/extension/demo/run/result.toml
+          $V packages/extension/demo/run/FINISHED
+          # the non-filename schemas (AC5: all five) via --schema
+          $V packages/schema/test/fixtures/valid/solvespec.toml --schema solvespec
+          $V packages/schema/test/fixtures/valid/catalog-entry.toml --schema catalog-entry
   boot-smoke:
     strategy:
       matrix:
diff --git a/packages/schema/esbuild.config.mjs b/packages/schema/esbuild.config.mjs
index 53d3720a..9e0bdbc8 100644
--- a/packages/schema/esbuild.config.mjs
+++ b/packages/schema/esbuild.config.mjs
@@ -1,16 +1,19 @@
 import { build } from 'esbuild'
+import { chmodSync } from 'node:fs'
 
 // The library is consumed as TS source (main = src/index.ts; consumers bundle it
-// via their own esbuild). We still bundle here as a build-time smoke check that
-// the dep graph (ajv + ajv-formats + the JSON schemas) bundles cleanly into a
-// single ESM module — the same way the extension/CLI will inline it.
+// via their own esbuild). We bundle two artifacts here:
+//   - dist/index.js: a smoke check that the dep graph (ajv + ajv-formats + the
+//     JSON schemas) bundles cleanly into a single ESM module.
+//   - dist/amico-validate.js: the standalone validator CLI (0.1c).
+const common = { bundle: true, platform: 'node', target: 'node20', format: 'esm', sourcemap: true, logLevel: 'info' }
+
+await build({ ...common, entryPoints: ['src/index.ts'], outfile: 'dist/index.js' })
+
 await build({
-  entryPoints: ['src/index.ts'],
-  bundle: true,
-  platform: 'node',
-  target: 'node20',
-  format: 'esm',
-  outfile: 'dist/index.js',
-  sourcemap: true,
-  logLevel: 'info',
+  ...common,
+  entryPoints: ['src/cli.ts'],
+  outfile: 'dist/amico-validate.js',
+  banner: { js: '#!/usr/bin/env node' },
 })
+chmodSync('dist/amico-validate.js', 0o755)
diff --git a/packages/schema/launcher/amico-validate b/packages/schema/launcher/amico-validate
new file mode 100755
index 00000000..f2e08531
--- /dev/null
+++ b/packages/schema/launcher/amico-validate
@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+# Thin launcher: resolve node, exec the bundled validator. Committed (exists at
+# install time) so the `amico-validate` bin links on a clean install — the dist
+# bundle is built by `pnpm run build`, not present until then. Mirrors amico-run.
+set -euo pipefail
+SOURCE="${BASH_SOURCE[0]}"
+while [ -h "$SOURCE" ]; do                       # resolve symlink chains (node_modules/.bin)
+  DIR="$(cd -P "$(dirname "$SOURCE")" && pwd)"
+  SOURCE="$(readlink "$SOURCE")"
+  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
+done
+DIR="$(cd -P "$(dirname "$SOURCE")" && pwd)"
+if ! command -v node >/dev/null 2>&1; then
+  echo "amico-validate: node >= 20 not found on PATH (install node or fix PATH)" >&2
+  exit 64
+fi
+BUNDLE="$DIR/../dist/amico-validate.js"
+if [ ! -f "$BUNDLE" ]; then
+  echo "amico-validate: bundle missing ($BUNDLE) — run 'pnpm --filter @amicode/schema build'" >&2
+  exit 64
+fi
+exec node "$BUNDLE" "$@"
diff --git a/packages/schema/package.json b/packages/schema/package.json
index 1cab0211..0d1604a6 100644
--- a/packages/schema/package.json
+++ b/packages/schema/package.json
@@ -5,6 +5,7 @@
   "type": "module",
   "main": "./src/index.ts",
   "types": "./src/index.ts",
+  "bin": { "amico-validate": "./launcher/amico-validate" },
   "engines": { "node": ">=20" },
   "scripts": {
     "build": "node esbuild.config.mjs",
diff --git a/packages/schema/src/cli.ts b/packages/schema/src/cli.ts
new file mode 100644
index 00000000..27cab38d
--- /dev/null
+++ b/packages/schema/src/cli.ts
@@ -0,0 +1,50 @@
+// amico-validate — validate an amico config/artifact file against the shared
+// schema set. A thin CLI over @amicode/schema's validate() — NO parallel
+// validation logic. Exit 0 = valid, 64 = invalid or usage error (mirrors
+// amico-run's config-error exit convention, Q85).
+import { validateFile, kindForFilename, SCHEMA_KINDS, type SchemaKind } from "./index.js";
+
+const USAGE = `usage: amico-validate <file> [--schema <kind>]
+  <file> role is inferred from its name (run.toml, result.toml, lab.toml, FINISHED);
+  pass --schema for solvespec / catalog-entry or any non-standard filename.
+  kinds: ${SCHEMA_KINDS.join(", ")}
+exit: 0 valid · 64 invalid or usage error`;
+
+export function main(argv: string[]): number {
+  let file: string | undefined;
+  let schema: string | undefined;
+  for (let i = 0; i < argv.length; i++) {
+    const a = argv[i];
+    if (a === "--help" || a === "-h") { console.log(USAGE); return 0; }
+    if (a === "--schema") {
+      schema = argv[++i];
+      if (schema === undefined) { console.error(`amico-validate: --schema requires a value\n${USAGE}`); return 64; }
+    } else if (a.startsWith("-")) {
+      console.error(`amico-validate: unknown flag ${a}\n${USAGE}`); return 64;
+    } else if (file !== undefined) {
+      console.error(`amico-validate: multiple files given\n${USAGE}`); return 64;
+    } else {
+      file = a;
+    }
+  }
+  if (file === undefined) { console.error(`amico-validate: no file given\n${USAGE}`); return 64; }
+
+  const inferred = schema ?? kindForFilename(file);
+  if (inferred === undefined) {
+    console.error(`amico-validate: cannot infer schema for ${file} — pass --schema <${SCHEMA_KINDS.join("|")}>`);
+    return 64;
+  }
+  if (!SCHEMA_KINDS.includes(inferred as SchemaKind)) {
+    console.error(`amico-validate: unknown schema "${inferred}" (kinds: ${SCHEMA_KINDS.join(", ")})`);
+    return 64;
+  }
+  const kind = inferred as SchemaKind;
+
+  const r = validateFile(file, kind);
+  if (r.ok) { console.log(`OK ${file} (${kind})`); return 0; }
+  console.error(`INVALID ${file} (${kind}):`);
+  for (const e of r.errors) console.error(`  ${e}`);
+  return 64;
+}
+
+process.exit(main(process.argv.slice(2)));
diff --git a/packages/schema/src/index.ts b/packages/schema/src/index.ts
index 647197ce..8fc5e8be 100644
--- a/packages/schema/src/index.ts
+++ b/packages/schema/src/index.ts
@@ -42,6 +42,19 @@ export const SUPPORTED_SCHEMA_VERSIONS = ["1"] as const;
 
 export interface Validation { ok: boolean; errors: string[] }
 
+/** Resolve a schema kind from a file's basename, for the fixed-filename artifacts
+ *  (run.toml, result.toml, lab.toml, FINISHED). Returns undefined for files
+ *  with no canonical name (SolveSpec, catalog-entry) — those need an explicit
+ *  --schema. The amico-validate CLI uses this for file-role resolution. */
+export function kindForFilename(filePath: string): SchemaKind | undefined {
+  const base = filePath.replace(/^.*[\\/]/, "");
+  if (base === "run.toml") return "run";
+  if (base === "result.toml") return "result";
+  if (base === "lab.toml") return "lab";
+  if (base === "FINISHED") return "finished";
+  return undefined;
+}
+
 const ajv = new Ajv({ allErrors: true, strict: false });
 addFormats(ajv);
 const compiled = new Map<SchemaKind, ValidateFunction>();
diff --git a/packages/schema/test/cli.test.ts b/packages/schema/test/cli.test.ts
new file mode 100644
index 00000000..15915286
--- /dev/null
+++ b/packages/schema/test/cli.test.ts
@@ -0,0 +1,72 @@
+import { describe, it, expect, beforeAll } from "vitest";
+import { execFileSync } from "node:child_process";
+import { copyFileSync, mkdtempSync } from "node:fs";
+import { fileURLToPath } from "node:url";
+import { dirname, join } from "node:path";
+import { tmpdir } from "node:os";
+
+const here = dirname(fileURLToPath(import.meta.url));
+const pkg = join(here, "..");
+const BUNDLE = join(pkg, "dist", "amico-validate.js");
+const validDir = join(here, "fixtures", "valid");
+const invalidDir = join(here, "fixtures", "invalid");
+const KINDS = ["run", "result", "lab", "solvespec", "catalog-entry", "finished"];
+
+beforeAll(() => { execFileSync("node", [join(pkg, "esbuild.config.mjs")], { cwd: pkg }); });
+
+function run(args: string[]): { code: number; stdout: string; stderr: string } {
+  try {
+    const stdout = execFileSync("node", [BUNDLE, ...args], { encoding: "utf8" });
+    return { code: 0, stdout, stderr: "" };
+  } catch (e) {
+    const err = e as { status?: number; stdout?: string; stderr?: string };
+    return { code: err.status ?? 1, stdout: err.stdout ?? "", stderr: err.stderr ?? "" };
+  }
+}
+
+describe("amico-validate CLI", () => {
+  it("valid fixtures → exit 0 (every kind, via --schema)", () => {
+    for (const k of KINDS) {
+      const r = run([join(validDir, `${k}.toml`), "--schema", k]);
+      expect(r.code, `${k}: ${r.stderr}`).toBe(0);
+    }
+  });
+  it("invalid fixtures → exit 64 + field-precise stderr (every kind)", () => {
+    for (const k of KINDS) {
+      const r = run([join(invalidDir, `${k}.toml`), "--schema", k]);
+      expect(r.code, k).toBe(64);
+      expect(r.stderr).toContain("INVALID");
+    }
+  });
+  it("a committed WRONG-TYPE fixture fails field-precise (AC7 class matrix is self-contained)", () => {
+    const r = run([join(invalidDir, "result-wrongtype.toml"), "--schema", "result"]);
+    expect(r.code).toBe(64);
+    expect(r.stderr).toContain("/fidelity: must be number");
+  });
+  it("file-role resolution by basename for the fixed-filename schemas (no --schema)", () => {
+    expect(run([join(validDir, "run.toml")]).code).toBe(0);
+    expect(run([join(validDir, "result.toml")]).code).toBe(0);
+    expect(run([join(invalidDir, "result.toml")]).code).toBe(64);   // missing schema_version
+  });
+  it("FINISHED resolves by exact basename (no extension)", () => {
+    const f = join(mkdtempSync(join(tmpdir(), "fin-")), "FINISHED");
+    copyFileSync(join(validDir, "finished.toml"), f);
+    expect(run([f]).code).toBe(0);
+  });
+  it("a non-filename schema without --schema cannot infer → 64", () => {
+    const r = run([join(validDir, "solvespec.toml")]);   // solvespec.toml is not a canonical name
+    expect(r.code).toBe(64);
+    expect(r.stderr).toContain("cannot infer");
+  });
+  it("field-precise stderr names the offending key + path", () => {
+    const r = run([join(invalidDir, "lab.toml"), "--schema", "lab"]);
+    expect(r.stderr).toContain("/transmon/levels");
+  });
+  it("usage / bad-arg errors exit 64", () => {
+    expect(run([]).code).toBe(64);                          // no file
+    expect(run(["a.toml", "b.toml"]).code).toBe(64);        // multiple files
+    expect(run(["f.toml", "--schema", "bogus"]).code).toBe(64); // unknown schema
+    expect(run(["f.toml", "--nope"]).code).toBe(64);        // unknown flag
+  });
+  it("--help exits 0", () => expect(run(["--help"]).code).toBe(0));
+});
diff --git a/packages/schema/test/fixtures/invalid/catalog-entry.toml b/packages/schema/test/fixtures/invalid/catalog-entry.toml
new file mode 100644
index 00000000..07771b32
--- /dev/null
+++ b/packages/schema/test/fixtures/invalid/catalog-entry.toml
@@ -0,0 +1,4 @@
+schema_version = "1"
+run_id = "r1"
+lab_id = "default"
+fidelity = 0.99
diff --git a/packages/schema/test/fixtures/invalid/finished.toml b/packages/schema/test/fixtures/invalid/finished.toml
new file mode 100644
index 00000000..fa2646a6
--- /dev/null
+++ b/packages/schema/test/fixtures/invalid/finished.toml
@@ -0,0 +1,2 @@
+status = "halfway"
+exit_code = 0
diff --git a/packages/schema/test/fixtures/invalid/lab.toml b/packages/schema/test/fixtures/invalid/lab.toml
new file mode 100644
index 00000000..08fd529e
--- /dev/null
+++ b/packages/schema/test/fixtures/invalid/lab.toml
@@ -0,0 +1,8 @@
+schema_version = "1"
+[lab]
+name = "x"
+[transmon]
+omega_GHz = 5.0
+delta_GHz = 0.2
+levels = 99
+drive_max_GHz = 0.2
diff --git a/packages/schema/test/fixtures/invalid/result-wrongtype.toml b/packages/schema/test/fixtures/invalid/result-wrongtype.toml
new file mode 100644
index 00000000..c07bead4
--- /dev/null
+++ b/packages/schema/test/fixtures/invalid/result-wrongtype.toml
@@ -0,0 +1,3 @@
+schema_version = "1"
+fidelity = "high"
+iterations = 60
diff --git a/packages/schema/test/fixtures/invalid/result.toml b/packages/schema/test/fixtures/invalid/result.toml
new file mode 100644
index 00000000..287f8ea2
--- /dev/null
+++ b/packages/schema/test/fixtures/invalid/result.toml
@@ -0,0 +1,2 @@
+fidelity = 0.99
+iterations = 60
diff --git a/packages/schema/test/fixtures/invalid/run.toml b/packages/schema/test/fixtures/invalid/run.toml
new file mode 100644
index 00000000..807bf22f
--- /dev/null
+++ b/packages/schema/test/fixtures/invalid/run.toml
@@ -0,0 +1,8 @@
+schema_version = "1"
+script_path = "/s.jl"
+lab = "default"
+lab_id = "default"
+created_at = "2026-06-15T00:00:00Z"
+orchestrator_version = "0.1.0"
+[julia]
+binary = "julia"
diff --git a/packages/schema/test/fixtures/invalid/solvespec.toml b/packages/schema/test/fixtures/invalid/solvespec.toml
new file mode 100644
index 00000000..b9c76067
--- /dev/null
+++ b/packages/schema/test/fixtures/invalid/solvespec.toml
@@ -0,0 +1,4 @@
+schema_version = "1"
+script_path = "/s.jl"
+lab_id = "default"
+rogue_key = true