diff --git a/scripts/ini_to_opencode.py b/scripts/ini_to_opencode.py
new file mode 100644
index 0000000000..9911b7d0ec
--- /dev/null
+++ b/scripts/ini_to_opencode.py
@@ -0,0 +1,109 @@
+#!/usr/bin/env python3
+"""
+Convert llama.cpp .ini model presets to opencode.json provider config
+"""
+
+from __future__ import annotations
+
+import json
+import logging
+import re
+import sys
+from pathlib import Path
+
+logger = logging.getLogger(__name__)
+
+
+def parse_ini(content: str) -> dict:
+    """Parse simple INI format with sections and key-value pairs"""
+    result = {}
+    current_section = None
+
+    for line in content.split("\n"):
+        line = line.strip()
+
+        # Skip empty lines and comments
+        if not line or line.startswith(";") or line.startswith("#"):
+            continue
+
+        # Section header
+        section_match = re.match(r"^\[([^\]]+)\]$", line)
+        if section_match:
+            current_section = section_match.group(1)
+            result[current_section] = {}
+            continue
+
+        # Key-value pair
+        if "=" in line and current_section:
+            key, _, value = line.partition("=")
+            key = key.strip()
+            value = value.strip()
+            result[current_section][key] = value
+
+    return result
+
+
+def ini_to_opencode(ini_file: str, output_file: str | None = None):
+    """Convert INI preset file to opencode.json"""
+
+    # Read and parse INI
+    ini_path = Path(ini_file)
+    ini_content = ini_path.read_text()
+    ini_data = parse_ini(ini_content)
+
+    # Build opencode.json structure
+    opencode_config = {
+        "$schema": "https://opencode.ai/config.json",
+        "provider": {
+            "llamacpp": {
+                "npm": "@ai-sdk/openai-compatible",
+                "name": "llama.cpp (local)",
+                "options": {"baseURL": "http://127.0.0.1:8080/v1", "apiKey": "no-key-needed"},
+                "models": {},
+            }
+        },
+    }
+
+    # Map INI presets to opencode models
+    # Skip global section [*] and version
+    for section_name, settings in ini_data.items():
+        if section_name == "[*]" or section_name == "version":
+            continue
+
+        model_id = section_name.lower().replace(" ", "-").replace(":", "-")
+        model_config = {"name": section_name}
+
+        # Map common INI options to opencode/llama.cpp server settings
+        if "model" in settings:
+            model_config["model"] = settings["model"]
+
+        if "n-gpu-layer" in settings or "n-gpu-layers" in settings:
+            gpu_layer = settings.get("n-gpu-layer") or settings.get("n-gpu-layers")
+            model_config["n_gpu_layers"] = gpu_layer
+
+        if "c" in settings:
+            model_config["context_size"] = settings["c"]
+
+        if "chat-template" in settings:
+            model_config["chat_template"] = settings["chat-template"]
+
+        if "jinja" in settings:
+            model_config["jinja"] = settings["jinja"].lower() == "true"
+
+        opencode_config["provider"]["llamacpp"]["models"][model_id] = model_config
+
+    # Write output
+    output_path = Path(output_file) if output_file else ini_path.with_suffix(".json")
+    output_path.write_text(json.dumps(opencode_config, indent=2) + "\n")
+
+    logger.info(json.dumps(opencode_config, indent=2))
+
+
+if __name__ == "__main__":
+    logging.basicConfig(level=logging.INFO, format="%(message)s")
+
+    if len(sys.argv) < 2:
+        logger.error("Usage: python3 ini_to_opencode.py <input.ini> [output.json]")
+        sys.exit(1)
+
+    ini_to_opencode(sys.argv[1], sys.argv[2] if len(sys.argv) > 2 else None)