Files
my-pal-mcp-server/tools/chat.py
2025-06-18 05:58:50 +04:00

194 lines
8.0 KiB
Python

"""
Chat tool - General development chat and collaborative thinking
"""
from typing import TYPE_CHECKING, Any, Optional
from pydantic import Field
if TYPE_CHECKING:
from tools.models import ToolModelCategory
from config import TEMPERATURE_BALANCED
from systemprompts import CHAT_PROMPT
from .base import BaseTool, ToolRequest
# Field descriptions to avoid duplication between Pydantic and JSON schema
CHAT_FIELD_DESCRIPTIONS = {
"prompt": (
"Your thorough, expressive question with as much context as possible. Remember: you're talking to "
"another Claude assistant who has deep expertise and can provide nuanced insights. Include your "
"current thinking, specific challenges, background context, what you've already tried, and what "
"kind of response would be most helpful. The more context and detail you provide, the more "
"valuable and targeted the response will be."
),
"files": "Optional files for context (must be FULL absolute paths to real files / folders - DO NOT SHORTEN)",
"images": (
"Optional images for visual context. Useful for UI discussions, diagrams, visual problems, "
"error screens, or architectural mockups."
),
}
class ChatRequest(ToolRequest):
"""Request model for chat tool"""
prompt: str = Field(..., description=CHAT_FIELD_DESCRIPTIONS["prompt"])
files: Optional[list[str]] = Field(default_factory=list, description=CHAT_FIELD_DESCRIPTIONS["files"])
images: Optional[list[str]] = Field(default_factory=list, description=CHAT_FIELD_DESCRIPTIONS["images"])
class ChatTool(BaseTool):
"""General development chat and collaborative thinking tool"""
def get_name(self) -> str:
return "chat"
def get_description(self) -> str:
return (
"GENERAL CHAT & COLLABORATIVE THINKING - Use the AI model as your thinking partner! "
"Perfect for: bouncing ideas during your own analysis, getting second opinions on your plans, "
"collaborative brainstorming, validating your checklists and approaches, exploring alternatives. "
"Also great for: explanations, comparisons, general development questions. "
"Use this when you want to ask questions, brainstorm ideas, get opinions, discuss topics, "
"share your thinking, or need explanations about concepts and approaches. "
"Note: If you're not currently using a top-tier model such as Opus 4 or above, these tools can "
"provide enhanced capabilities."
)
def get_input_schema(self) -> dict[str, Any]:
schema = {
"type": "object",
"properties": {
"prompt": {
"type": "string",
"description": CHAT_FIELD_DESCRIPTIONS["prompt"],
},
"files": {
"type": "array",
"items": {"type": "string"},
"description": CHAT_FIELD_DESCRIPTIONS["files"],
},
"images": {
"type": "array",
"items": {"type": "string"},
"description": CHAT_FIELD_DESCRIPTIONS["images"],
},
"model": self.get_model_field_schema(),
"temperature": {
"type": "number",
"description": "Response creativity (0-1, default 0.5)",
"minimum": 0,
"maximum": 1,
},
"thinking_mode": {
"type": "string",
"enum": ["minimal", "low", "medium", "high", "max"],
"description": (
"Thinking depth: minimal (0.5% of model max), low (8%), medium (33%), high (67%), "
"max (100% of model max)"
),
},
"use_websearch": {
"type": "boolean",
"description": (
"Enable web search for documentation, best practices, and current information. "
"Particularly useful for: brainstorming sessions, architectural design discussions, "
"exploring industry best practices, working with specific frameworks/technologies, "
"researching solutions to complex problems, or when current documentation and "
"community insights would enhance the analysis."
),
"default": True,
},
"continuation_id": {
"type": "string",
"description": (
"Thread continuation ID for multi-turn conversations. Can be used to continue "
"conversations across different tools. Only provide this if continuing a previous "
"conversation thread."
),
},
},
"required": ["prompt"] + (["model"] if self.is_effective_auto_mode() else []),
}
return schema
def get_system_prompt(self) -> str:
return CHAT_PROMPT
def get_default_temperature(self) -> float:
return TEMPERATURE_BALANCED
def get_model_category(self) -> "ToolModelCategory":
"""Chat prioritizes fast responses and cost efficiency"""
from tools.models import ToolModelCategory
return ToolModelCategory.FAST_RESPONSE
def get_request_model(self):
return ChatRequest
async def prepare_prompt(self, request: ChatRequest) -> str:
"""Prepare the chat prompt with optional context files"""
# Check for prompt.txt in files
prompt_content, updated_files = self.handle_prompt_file(request.files)
# Use prompt.txt content if available, otherwise use the prompt field
user_content = prompt_content if prompt_content else request.prompt
# Check user input size at MCP transport boundary (before adding internal content)
size_check = self.check_prompt_size(user_content)
if size_check:
# Need to return error, but prepare_prompt returns str
# Use exception to handle this cleanly
from tools.models import ToolOutput
raise ValueError(f"MCP_SIZE_CHECK:{ToolOutput(**size_check).model_dump_json()}")
# Update request files list
if updated_files is not None:
request.files = updated_files
# Add context files if provided (using centralized file handling with filtering)
if request.files:
file_content, processed_files = self._prepare_file_content_for_prompt(
request.files, request.continuation_id, "Context files"
)
self._actually_processed_files = processed_files
if file_content:
user_content = f"{user_content}\n\n=== CONTEXT FILES ===\n{file_content}\n=== END CONTEXT ===="
# Check token limits
self._validate_token_limit(user_content, "Content")
# Add web search instruction if enabled
websearch_instruction = self.get_websearch_instruction(
request.use_websearch,
"""When discussing topics, consider if searches for these would help:
- Documentation for any technologies or concepts mentioned
- Current best practices and patterns
- Recent developments or updates
- Community discussions and solutions""",
)
# Combine system prompt with user content
full_prompt = f"""{self.get_system_prompt()}{websearch_instruction}
=== USER REQUEST ===
{user_content}
=== END REQUEST ===
Please provide a thoughtful, comprehensive response:"""
return full_prompt
def format_response(self, response: str, request: ChatRequest, model_info: Optional[dict] = None) -> str:
"""Format the chat response"""
return (
f"{response}\n\n---\n\n**Claude's Turn:** Evaluate this perspective alongside your analysis to "
"form a comprehensive solution and continue with the user's request and task at hand."
)