Use environment variables for OAuth URLs
Remove hard-coded URLs from OAuth configuration and use environment variables instead for better security and configurability: - Add CLERK_ISSUER and BASE_URL environment variables - Update asgi_app.py OAuth endpoints to use env vars - Update oauth_router.py to use configurable URLs - Update .env.example with new environment variables - Fix fetch tool bug: doc.content → doc.markdown_content Environment variables: - CLERK_ISSUER: Clerk domain issuer URL - BASE_URL: Base URL for OAuth callbacks and API URLs - CLERK_DOMAIN: Clerk domain name 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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saidsurucu
+153
-1
@@ -10,10 +10,12 @@ Usage:
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"""
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import os
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from fastapi import FastAPI, Request
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from fastapi import FastAPI, Request, HTTPException
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from fastapi.responses import JSONResponse
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from fastapi.exception_handlers import http_exception_handler
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from starlette.middleware import Middleware
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from starlette.middleware.cors import CORSMiddleware
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from starlette.responses import Response
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# Import the fully configured MCP app with all tools
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from mcp_server_main import app as mcp_server
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@@ -24,6 +26,10 @@ from stripe_webhook import router as stripe_router
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# Import OAuth router
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from oauth_router import router as oauth_router
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# OAuth configuration from environment variables
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CLERK_ISSUER = os.getenv("CLERK_ISSUER", "https://artistic-swan-81.clerk.accounts.dev")
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BASE_URL = os.getenv("BASE_URL", "https://yargi-mcp.fly.dev")
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# Configure CORS middleware
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cors_origins = os.getenv("ALLOWED_ORIGINS", "*").split(",")
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custom_middleware = [
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@@ -57,6 +63,23 @@ app.include_router(stripe_router, prefix="/api")
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# Add OAuth router to FastAPI
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app.include_router(oauth_router)
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# Custom 401 exception handler for MCP spec compliance
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@app.exception_handler(401)
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async def custom_401_handler(request: Request, exc: HTTPException):
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"""Custom 401 handler that adds WWW-Authenticate header as required by MCP spec"""
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response = await http_exception_handler(request, exc)
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# Add WWW-Authenticate header pointing to protected resource metadata
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# as required by RFC 9728 Section 5.1 and MCP Authorization spec
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response.headers["WWW-Authenticate"] = (
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'Bearer '
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'error="invalid_token", '
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'error_description="The access token is missing or invalid", '
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f'resource="{BASE_URL}/.well-known/oauth-protected-resource"'
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)
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return response
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# Mount MCP app as sub-application
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app.mount("/mcp", mcp_app)
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@@ -109,6 +132,135 @@ async def root():
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}
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})
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# OAuth 2.0 Authorization Server Metadata proxy (for MCP clients that can't reach Clerk directly)
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@app.get("/.well-known/oauth-authorization-server")
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async def oauth_authorization_server():
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"""OAuth 2.0 Authorization Server Metadata proxy to Clerk"""
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return JSONResponse({
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"issuer": CLERK_ISSUER,
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"authorization_endpoint": f"{BASE_URL}/auth/login",
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"token_endpoint": f"{BASE_URL}/auth/callback",
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"jwks_uri": f"{CLERK_ISSUER}/.well-known/jwks.json",
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"response_types_supported": ["code"],
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"grant_types_supported": ["authorization_code", "refresh_token"],
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"token_endpoint_auth_methods_supported": ["client_secret_basic", "none"],
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"scopes_supported": ["read", "search", "openid", "profile", "email"],
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"subject_types_supported": ["public"],
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"id_token_signing_alg_values_supported": ["RS256"],
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"claims_supported": ["sub", "iss", "aud", "exp", "iat", "email", "name"],
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"code_challenge_methods_supported": ["S256"],
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"service_documentation": f"{BASE_URL}/mcp",
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"registration_endpoint": f"{BASE_URL}/auth/register",
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"resource_documentation": f"{BASE_URL}/mcp"
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})
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# MCP endpoint info for GET requests (ChatGPT compatibility)
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@app.get("/mcp")
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async def mcp_info():
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"""MCP endpoint information for discovery"""
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return JSONResponse({
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"mcp_server": True,
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"name": "Yargı MCP Server",
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"version": "0.1.0",
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"description": "MCP server for Turkish legal databases",
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"protocol": "mcp/1.0",
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"transport": "http",
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"authentication_required": True,
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"authentication": {
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"type": "oauth2",
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"authorization_url": f"{BASE_URL}/auth/login",
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"token_url": f"{BASE_URL}/auth/callback",
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"scopes": ["read", "search"],
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"provider": "clerk"
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},
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"endpoints": {
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"mcp_protocol": "/mcp/",
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"discovery": "/mcp/discovery",
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"well_known": "/.well-known/mcp",
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"health": "/health",
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"oauth_login": "/auth/login"
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},
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"capabilities": {
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"tools": True,
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"resources": True,
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"prompts": False
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},
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"tools_count": len(mcp_server._tool_manager._tools),
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"usage": {
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"note": "This is an MCP server. Use POST to /mcp/ with proper MCP protocol headers.",
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"headers_required": [
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"Content-Type: application/json",
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"Accept: application/json, text/event-stream",
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"Authorization: Bearer <token>",
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"X-Session-ID: <session-id>"
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]
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}
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})
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# OAuth 2.0 Protected Resource Metadata (RFC 9728) - MCP Spec Required
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@app.get("/.well-known/oauth-protected-resource")
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async def oauth_protected_resource():
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"""OAuth 2.0 Protected Resource Metadata as required by MCP spec"""
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return JSONResponse({
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"resource": BASE_URL,
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"authorization_servers": [
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BASE_URL
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],
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"scopes_supported": ["read", "search"],
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"bearer_methods_supported": ["header"],
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"resource_documentation": f"{BASE_URL}/mcp",
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"resource_policy_uri": f"{BASE_URL}/privacy"
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})
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# Standard well-known discovery endpoint
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@app.get("/.well-known/mcp")
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async def well_known_mcp():
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"""Standard MCP discovery endpoint"""
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return JSONResponse({
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"mcp_server": {
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"name": "Yargı MCP Server",
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"version": "0.1.0",
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"endpoint": f"{BASE_URL}/mcp/",
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"authentication": {
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"type": "oauth2",
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"authorization_url": f"{BASE_URL}/auth/login",
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"scopes": ["read", "search"]
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},
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"capabilities": ["tools", "resources"],
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"tools_count": len(mcp_server._tool_manager._tools)
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}
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})
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# MCP Discovery endpoint for ChatGPT integration
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@app.get("/mcp/discovery")
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async def mcp_discovery():
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"""MCP Discovery endpoint for ChatGPT and other MCP clients"""
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return JSONResponse({
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"name": "Yargı MCP Server",
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"description": "MCP server for Turkish legal databases",
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"version": "0.1.0",
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"protocol": "mcp",
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"transport": "http",
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"endpoint": "/mcp/",
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"authentication": {
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"type": "oauth2",
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"authorization_url": "/auth/login",
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"token_url": "/auth/callback",
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"scopes": ["read", "search"],
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"provider": "clerk"
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},
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"capabilities": {
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"tools": True,
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"resources": True,
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"prompts": False
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},
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"tools_count": len(mcp_server._tool_manager._tools),
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"contact": {
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"url": BASE_URL,
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"email": "support@yargi-mcp.dev"
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}
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})
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# FastAPI status endpoint
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@app.get("/status")
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async def status():
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