Add Meta Model API provider with Muse Spark 1.1

coworker/providers/matrix.py

@@ -71,6 +71,15 @@ MATRIX: dict[str, ModelEntry] = {
     "gemini:gemini-2.5-pro": ModelEntry("Gemini 2.5 Pro · Google", _AGENTIC_VISION),
     "gemini:gemini-2.5-flash": ModelEntry("Gemini 2.5 Flash · Google", _AGENTIC_VISION),
     # -- direct OpenAI-compatible vendors ----------------------------------------
+    # Muse Spark (Meta Model API, public preview 2026-07-09): multimodal + tools via
+    # their OpenAI-compat surface. Vision yes; PDFs unverified over compat — falls
+    # back via pdf_support.py like the other compat vendors.
+    "meta:muse-spark-1.1": ModelEntry(
+        "Muse Spark 1.1 · Meta",
+        ModelCapabilities(
+            tools=True, vision=True, parallel_tool_calls=True, streaming=True
+        ),
+    ),
     "zai:glm-5.2": ModelEntry("GLM-5.2 · Z AI"),
     "deepseek:deepseek-v4-flash": ModelEntry("DeepSeek V4 Flash · DeepSeek"),
     "deepseek:deepseek-v4-pro": ModelEntry("DeepSeek V4 Pro · DeepSeek"),

coworker/providers/registry.py

@@ -307,6 +307,14 @@ DESCRIPTORS: list[ProviderDescriptor] = [
         recommended_model="mistral-large-latest",
         env_key="MISTRAL_API_KEY",
     ),
+    _compat(
+        "meta",
+        "Meta (Muse Spark)",
+        base_url="https://api.meta.ai/v1",
+        recommended_model="muse-spark-1.1",
+        env_key="META_API_KEY",
+        endpoint_help="Prefilled with the Meta Model API endpoint (public preview, US-only as of 2026-07).",
+    ),
     # Resellers: many labs' models behind one key, using THEIR model namespaces (the curated
     # ids + display labels live in providers/matrix.py). TODO: add Groq and OpenRouter here
     # (+ their matrix rows) once the current provider surface is tested — deliberately

surfaces/gui/src/providers/logos.ts

@@ -18,11 +18,13 @@ import mistral from "./logos/mistral.svg";
 import qwen from "./logos/qwen.svg";
 import minimax from "./logos/minimax.svg";
 import xai from "./logos/xai.svg";
+import meta from "./logos/meta.svg";
 
 export const PROVIDER_LOGOS: Record<string, string> = {
   anthropic,
   openai,
   gemini,
+  meta,
   ollama,
   fireworks,
   together,
@@ -39,6 +41,7 @@ export const PROVIDER_ORDER = [
   "anthropic",
   "openai",
   "gemini",
+  "meta",
   "ollama",
   "fireworks",
   "together",