mirror of
https://github.com/believethehype/nostrdvm.git
synced 2025-11-18 16:57:08 +01:00
277 lines
9.1 KiB
Python
277 lines
9.1 KiB
Python
import asyncio
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import json
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import os
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from datetime import timedelta
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from pathlib import Path
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from nostr_sdk import Client, Timestamp, PublicKey, Tag, Keys, Options, SecretKey, NostrSigner, Kind
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from nostr_dvm.backends.mcp import config
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from nostr_dvm.backends.mcp.config import load_config
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from nostr_dvm.backends.mcp.messages.send_call_tool import send_call_tool
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from nostr_dvm.backends.mcp.messages.send_initialize_message import send_initialize
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from nostr_dvm.backends.mcp.messages.send_ping import send_ping
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from nostr_dvm.backends.mcp.messages.send_tools_list import send_tools_list
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from nostr_dvm.backends.mcp.transport.stdio.stdio_client import stdio_client
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from nostr_dvm.interfaces.dvmtaskinterface import DVMTaskInterface, process_venv
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from nostr_dvm.utils.admin_utils import AdminConfig
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from nostr_dvm.utils.definitions import EventDefinitions, relay_timeout
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from nostr_dvm.utils.dvmconfig import DVMConfig, build_default_config
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from nostr_dvm.utils.nip88_utils import NIP88Config
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from nostr_dvm.utils.nip89_utils import NIP89Config, check_and_set_d_tag
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from nostr_dvm.utils.output_utils import post_process_list_to_events
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"""
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This File contains a Module to search for notes
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Accepted Inputs: a search query
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Outputs: A list of events
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Params: None
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"""
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class MCPBridge(DVMTaskInterface):
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KIND: Kind = EventDefinitions.KIND_NIP90_MCP
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TASK: str = "mcp-bridge"
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FIX_COST: float = 0
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dependencies = [("nostr-dvm", "nostr-dvm"),
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("mcp", "mcp")]
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dvm_config: DVMConfig
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async def init_dvm(self, name, dvm_config: DVMConfig, nip89config: NIP89Config, nip88config: NIP88Config = None,
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admin_config: AdminConfig = None, options=None):
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dvm_config.SCRIPT = os.path.abspath(__file__)
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async def is_input_supported(self, tags, client=None, dvm_config=None):
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for tag in tags:
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if tag.as_vec()[0] == 'i':
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input_value = tag.as_vec()[1]
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input_type = tag.as_vec()[2]
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if input_type != "text":
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return False
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return True
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async def create_request_from_nostr_event(self, event, client=None, dvm_config=None):
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self.dvm_config = dvm_config
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request_form = {"jobID": event.id().to_hex()}
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self.config_path = Path.absolute(Path(__file__).parent / "server_config.json")
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self.server_names = ["mcp-crypto-price"]
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if self.options.get("config_path"):
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self.config_path = self.options.get("config_path")
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if self.options.get("server_names"):
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self.server_names = (self.options.get("server_names"))
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c = "list-tools"
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for tag in event.tags().to_vec():
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if tag.as_vec()[0] == 'c':
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c = tag.as_vec()[1]
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content = event.content()
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options = {
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"command" : c,
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"config_path" : self.config_path,
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"server_names" : self.server_names,
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"payload": content
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}
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request_form['options'] = json.dumps(options)
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return request_form
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async def process(self, request_form):
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options = self.set_options(request_form)
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config_path = options["config_path"]
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server_names = options["server_names"]
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if options["command"] == "list-tools":
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tools = await self.list_tools(config_path, server_names)
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# Just return the first for now.
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for tool in tools:
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print(tool[1])
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return json.dumps(tool[1])
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elif options["command"] == "execute-tool":
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print(options["payload"])
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tool_name = "get-crypto-price"
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tool_args = {"symbol": "BTC"}
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tool_response = await self.call_tool(config_path, server_names, tool_name, tool_args)
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return json.dumps(tool_response)
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async def post_process(self, result, event):
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"""Overwrite the interface function to return a social client readable format, if requested"""
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for tag in event.tags().to_vec():
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if tag.as_vec()[0] == 'output':
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format = tag.as_vec()[1]
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if format == "text/plain": # check for output type
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result = post_process_list_to_events(result)
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# if not text/plain, don't post-process
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return result
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@classmethod
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async def list_tools(cls, config_path, server_names):
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alltools = []
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for server_name in server_names:
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server_params = await config.load_config(config_path, server_name)
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try:
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async with stdio_client(server_params) as (read_stream, write_stream):
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# Initialize the server
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tools = await send_tools_list(read_stream, write_stream)
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if tools is not None:
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alltools.append((server_name, tools))
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raise Exception("I'm gonna leave you.")
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else:
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print("nada")
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except:
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pass
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print("Ignore the error. We're good.")
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return alltools
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@classmethod
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async def call_tool(cls, config_path, server_names, tool_name, tool_args):
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print("starting to call the tool")
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tool_response = None
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try:
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for server_name in server_names:
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server_params = await config.load_config(config_path, server_name)
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try:
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async with stdio_client(server_params) as (read_stream, write_stream):
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#Check if our current config has a tool.
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tools = await send_tools_list(read_stream, write_stream)
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stuff = json.dumps(tools)
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toolsobject = json.loads(stuff)["tools"]
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print(toolsobject)
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server_has_tool = False
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for tool in toolsobject:
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if tool["name"] == tool_name:
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print(f"Found tool {tool_name}.")
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server_has_tool = True
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if server_has_tool is False:
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continue
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tool_response = await send_call_tool(
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tool_name, tool_args, read_stream, write_stream)
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raise Exception("I'm gonna leave you.") # Until we find a better way to leave the async with
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except:
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pass
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return tool_response
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raise Exception("I'm gonna leave you.")
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except:
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pass
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return "not_found"
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alltools = []
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for server_name in server_names:
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server_params = await config.load_config(config_path, server_name)
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try:
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async with stdio_client(server_params) as (read_stream, write_stream):
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# Initialize the server
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tools = await send_tools_list(read_stream, write_stream)
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if tools is not None:
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alltools.append((server_name, tools))
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raise Exception("I'm gonna leave you.")
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else:
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print("nada")
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except:
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pass
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print("All clear. We made it out of thread hell. never mind the error.")
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return alltools
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# We build an example here that we can call by either calling this file directly from the main directory,
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# or by adding it to our playground. You can call the example and adjust it to your needs or redefine it in the
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# playground or elsewhere
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def build_example(name, identifier, admin_config):
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dvm_config = build_default_config(identifier)
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dvm_config.USE_OWN_VENV = False
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# Add NIP89
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nip89info = {
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"name": name,
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"picture": "https://nostr.band/android-chrome-192x192.png",
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"about": "I search notes on Nostr.band.",
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"supportsEncryption": True,
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"acceptsNutZaps": dvm_config.ENABLE_NUTZAP,
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"nip90Params": {
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"users": {
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"required": False,
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"values": [],
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"description": "Search for content from specific users"
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},
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"since": {
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"required": False,
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"values": [],
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"description": "A unix timestamp in the past from where the search should start"
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},
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"until": {
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"required": False,
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"values": [],
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"description": "A unix timestamp that tells until the search should include results"
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},
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"max_results": {
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"required": False,
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"values": [],
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"description": "The number of maximum results to return (default currently 20)"
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}
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}
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}
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nip89config = NIP89Config()
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nip89config.DTAG = check_and_set_d_tag(identifier, name, dvm_config.PRIVATE_KEY, nip89info["picture"])
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nip89config.CONTENT = json.dumps(nip89info)
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options = {"relay": "wss://relay.nostr.band"}
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return MCPBridge(name=name, dvm_config=dvm_config, nip89config=nip89config,
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admin_config=admin_config, options=options)
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if __name__ == '__main__':
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process_venv(MCPBridge)
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