74 lines
3.1 KiB
Python
74 lines
3.1 KiB
Python
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"""
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Copyright 2024-2026 ReplyPier
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, func, Enum as SQLEnum, Text, Boolean
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from sqlalchemy.orm import relationship
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from app.database import Base
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import enum
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from sqlalchemy.dialects.postgresql import UUID, JSON
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class MCPTransportType(str, enum.Enum):
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STDIO = "stdio"
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SSE = "sse"
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HTTP = "http"
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class MCPTool(Base):
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__tablename__ = "mcp_tools"
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id = Column(Integer, primary_key=True, index=True)
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name = Column(String, nullable=False) # Display name for the MCP server
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description = Column(Text) # Optional description of what this MCP server does
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# What this source holds and how to query it. Reaches the model as agno
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# per-toolkit instructions, in the system prompt — unlike `description`,
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# which is a preset-populated UI subtitle the model never sees.
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usage_guidance = Column(Text)
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transport_type = Column(SQLEnum(MCPTransportType), nullable=False)
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enabled = Column(Boolean, default=True, nullable=False)
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# For STDIO transport
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command = Column(String) # e.g., "npx", "uvx", "node"
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args = Column(JSON) # List of arguments, e.g., ["-y", "@modelcontextprotocol/server-filesystem"]
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env_vars = Column(JSON) # Environment variables as key-value pairs
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# For SSE/HTTP transports
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url = Column(String) # Server URL
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headers = Column(JSON) # HTTP headers as key-value pairs
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timeout = Column(Integer) # Connection timeout in seconds
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sse_read_timeout = Column(Integer) # SSE read timeout in seconds
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terminate_on_close = Column(Boolean, default=True) # For HTTP transport
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# Relationships
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organization_id = Column(UUID(as_uuid=True), ForeignKey("organizations.id"), nullable=False)
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created_at = Column(DateTime, server_default=func.now())
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updated_at = Column(DateTime, server_default=func.now(), onupdate=func.now())
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# Relationships
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organization = relationship("Organization", back_populates="mcp_tools")
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agent_links = relationship("MCPToolToAgent", back_populates="mcp_tool", cascade="all, delete-orphan")
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class MCPToolToAgent(Base):
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__tablename__ = "mcp_tool_to_agent"
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id = Column(Integer, primary_key=True, index=True)
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mcp_tool_id = Column(Integer, ForeignKey("mcp_tools.id"), nullable=False)
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agent_id = Column(UUID(as_uuid=True), ForeignKey("agents.id"), nullable=False)
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created_at = Column(DateTime, server_default=func.now())
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# Relationships
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mcp_tool = relationship("MCPTool", back_populates="agent_links")
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agent = relationship("Agent", back_populates="mcp_tool_links")
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