added mcp

generate_mcp.py

@@ -0,0 +1,176 @@
+"""
+Generate a fully-contained MCP bundle by reading Python docstrings directly.
+
+Uses Griffe (the same library mkdocstrings-python uses internally),
+but without MkDocs, Markdown, or HTML.
+
+Output:
+mcp/
+├── index.json
+├── nav.json
+└── modules/
+    └── package.module.json
+"""
+
+from __future__ import annotations
+
+import json
+import argparse
+from pathlib import Path
+from typing import Iterable
+
+from griffe import GriffeLoader, ModulesCollection, LinesCollection, AliasResolutionError
+
+
+PROJECT_ROOT = Path(__file__).resolve().parent
+DEFAULT_PACKAGE_ROOT = "mail_intake"
+DEFAULT_MCP_DIR = PROJECT_ROOT / "mcp"
+
+
+# -------------------------
+# Utilities
+# -------------------------
+
+def iter_modules(package_root: Path, package_name: str) -> Iterable[str]:
+    for py in package_root.rglob("*.py"):
+        rel = py.relative_to(package_root.parent)
+        if py.name == "__init__.py":
+            yield ".".join(rel.parent.parts)
+        else:
+            yield ".".join(rel.with_suffix("").parts)
+
+
+def serialize_object(obj) -> dict:
+    """Convert a Griffe object into MCP-friendly JSON (alias-safe)."""
+
+    try:
+        docstring = obj.docstring.value if obj.docstring else None
+    except AliasResolutionError:
+        docstring = None
+
+    data = {
+        "name": obj.name,
+        "kind": obj.kind.value,
+        "path": obj.path,
+        "docstring": docstring,
+    }
+
+    # Signature may also trigger alias resolution
+    try:
+        if hasattr(obj, "signature") and obj.signature:
+            data["signature"] = str(obj.signature)
+    except AliasResolutionError:
+        pass
+
+    # Recurse into members, but never allow alias failure to bubble up
+    members = {}
+    if hasattr(obj, "members"):
+        for name, member in obj.members.items():
+            if name.startswith("_"):
+                continue
+            try:
+                members[name] = serialize_object(member)
+            except AliasResolutionError:
+                continue
+
+    if members:
+        data["members"] = members
+
+    return data
+
+
+# -------------------------
+# MCP generation
+# -------------------------
+
+def build_mcp(package_root: Path, package_name: str, mcp_root: Path) -> None:
+    modules_dir = mcp_root / "modules"
+    modules_dir.mkdir(parents=True, exist_ok=True)
+
+    loader = GriffeLoader(
+        search_paths=[str(package_root.parent)],
+        modules_collection=ModulesCollection(),
+        lines_collection=LinesCollection(),
+    )
+
+    nav = []
+    count = 0
+
+    for module in sorted(iter_modules(package_root, package_name)):
+        loader.load(module)
+        mod = loader.modules_collection[module]
+
+        payload = {
+            "module": module,
+            "content": serialize_object(mod),
+        }
+
+        out = modules_dir / f"{module}.json"
+        out.parent.mkdir(parents=True, exist_ok=True)
+        out.write_text(json.dumps(payload, indent=2), encoding="utf-8")
+
+        nav.append({
+            "module": module,
+            "resource": f"docs://module/{module}",
+        })
+
+        count += 1
+
+    (mcp_root / "nav.json").write_text(
+        json.dumps(nav, indent=2),
+        encoding="utf-8",
+    )
+
+    (mcp_root / "index.json").write_text(
+        json.dumps(
+            {
+                "project": package_name,
+                "type": "docstrings-direct",
+                "modules_count": count,
+                "source": "griffe",
+            },
+            indent=2,
+        ),
+        encoding="utf-8",
+    )
+
+    print(f"MCP generated at: {mcp_root}")
+
+
+# -------------------------
+# CLI
+# -------------------------
+
+def main() -> None:
+    parser = argparse.ArgumentParser(
+        description="Generate MCP directly from Python docstrings (Griffe-based)",
+    )
+
+    parser.add_argument(
+        "--package-root",
+        default=DEFAULT_PACKAGE_ROOT,
+        help="Root Python package name",
+    )
+
+    parser.add_argument(
+        "--mcp-dir",
+        type=Path,
+        default=DEFAULT_MCP_DIR,
+        help="Output MCP directory",
+    )
+
+    args = parser.parse_args()
+
+    package_root = PROJECT_ROOT / args.package_root
+    if not package_root.exists():
+        raise FileNotFoundError(package_root)
+
+    build_mcp(
+        package_root=package_root,
+        package_name=args.package_root,
+        mcp_root=args.mcp_dir,
+    )
+
+
+if __name__ == "__main__":
+    main()

mcp_server.py

@@ -19,7 +19,7 @@ def index():
 def nav():
     return read_json(MCP_ROOT / "nav.json")
 
-@mcp.resource("docs://{module}")
+@mcp.resource("docs://module/{module}")
 def module(module: str):
     return read_json(MCP_ROOT / "modules" / f"{module}.json")