feat: init resources

This commit is contained in:
Daniel Bauer
2025-06-30 10:29:08 +02:00
parent 33d3c96314
commit 6faca65408

View File

@@ -5,6 +5,7 @@ import json
import logging import logging
from mcp.server.fastmcp import FastMCP from mcp.server.fastmcp import FastMCP
from mcp.server.fastmcp.resources import FunctionResource
from .client import ( from .client import (
CordraClient, CordraClient,
@@ -24,7 +25,11 @@ cordra_client = CordraClient(config)
logger = logging.getLogger(__name__) logger = logging.getLogger(__name__)
@mcp.resource("cordra://objects/{prefix}/{suffix}", name="cordra-object", description="Retrieve a Cordra digital object by ID") @mcp.resource(
"cordra://objects/{prefix}/{suffix}",
name="cordra-object",
description="Retrieve a Cordra digital object by ID",
)
async def get_cordra_object(prefix: str, suffix: str) -> str: async def get_cordra_object(prefix: str, suffix: str) -> str:
"""Retrieve a Cordra digital object by its ID. """Retrieve a Cordra digital object by its ID.
@@ -69,30 +74,29 @@ async def create_schema_resource(schema_name: str) -> str:
raise RuntimeError(f"Failed to retrieve schema {schema_name}: {e}") from e raise RuntimeError(f"Failed to retrieve schema {schema_name}: {e}") from e
async def register_schema_resources(): async def register_schema_resources() -> None:
"""Register individual schema resources dynamically.""" """Register individual schema resources dynamically."""
try: try:
# Get all available schemas # Get all available schemas
schemas = await cordra_client.find("type:Schema") schemas = await cordra_client.find("type:Schema")
# Add individual schema resources
for schema in schemas: for schema in schemas:
if isinstance(schema, dict) and 'content' in schema and 'name' in schema['content']: schema_name = schema.get("content", {}).get("name")
schema_name = schema['content']['name'] if not schema_name:
logger.warning("Schema without a name found, skipping.")
continue
# Create an async resource handler for this specific schema logger.info(f"Registering schema resource for cordra type {schema_name}")
# Use a closure to capture the schema_name properly async def schema_fn(name: str = schema_name) -> str:
def make_schema_handler(captured_name): return await create_schema_resource(name)
async def schema_handler(): mcp.add_resource(
return await create_schema_resource(captured_name) FunctionResource.from_function(
return schema_handler uri=f"cordra://schemas/{schema_name}",
fn=schema_fn,
# Register using the decorator approach name=f"cordra-type-schema-{schema_name}",
mcp.resource( description=f"JSON schema for Cordra type {schema_name}",
f"cordra://schemas/{schema_name}", )
name=f"cordra-schema-{schema_name}", )
description=f"Cordra schema definition for {schema_name}"
)(make_schema_handler(schema_name))
logger.info(f"Registered {len(schemas)} schema resources") logger.info(f"Registered {len(schemas)} schema resources")
@@ -106,13 +110,16 @@ async def ping() -> str:
return "pong" return "pong"
async def initialize_server() -> None:
"""Initialize server resources before starting."""
logger.info("Initializing Cordra MCP server...")
await register_schema_resources()
logger.info("Server initialization complete")
def main() -> None: def main() -> None:
"""Main entry point for the MCP server.""" """Main entry point for the MCP server."""
async def startup(): asyncio.run(initialize_server())
await register_schema_resources()
# Run startup tasks, then start the server
asyncio.run(startup())
mcp.run() mcp.run()