feat: add MCP tool integration

2026-07-18 00:00:06 +08:00
parent bdf3d3dd9c
commit e39bb48ba8
21 changed files with 1641 additions and 62 deletions
--- a/backend/migrations/versions/20260717_0008_add_mcp_servers.py
+++ b/backend/migrations/versions/20260717_0008_add_mcp_servers.py
@@ -0,0 +1,107 @@
+"""add MCP server connections and discovered tools
+
+Revision ID: 20260717_0008
+Revises: 20260712_0007
+"""
+
+from collections.abc import Sequence
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+
+revision: str = "20260717_0008"
+down_revision: str | Sequence[str] | None = "20260712_0007"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "mcp_servers",
+        sa.Column("id", sa.String(length=40), nullable=False),
+        sa.Column("name", sa.String(length=128), nullable=False),
+        sa.Column(
+            "description",
+            sa.String(length=2048),
+            server_default="",
+            nullable=False,
+        ),
+        sa.Column(
+            "transport",
+            sa.String(length=32),
+            server_default="streamable_http",
+            nullable=False,
+        ),
+        sa.Column("url", sa.String(length=2048), nullable=False),
+        sa.Column(
+            "config",
+            postgresql.JSONB(astext_type=sa.Text()),
+            server_default=sa.text("'{}'::jsonb"),
+            nullable=False,
+        ),
+        sa.Column(
+            "secrets",
+            postgresql.JSONB(astext_type=sa.Text()),
+            server_default=sa.text("'{}'::jsonb"),
+            nullable=False,
+        ),
+        sa.Column(
+            "status",
+            sa.String(length=16),
+            server_default="active",
+            nullable=False,
+        ),
+        sa.Column("last_synced_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column(
+            "created_at",
+            sa.DateTime(timezone=True),
+            server_default=sa.text("now()"),
+            nullable=False,
+        ),
+        sa.Column(
+            "updated_at",
+            sa.DateTime(timezone=True),
+            server_default=sa.text("now()"),
+            nullable=False,
+        ),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    op.create_index("ix_mcp_servers_status", "mcp_servers", ["status"])
+    op.add_column(
+        "tools",
+        sa.Column("mcp_server_id", sa.String(length=40), nullable=True),
+    )
+    op.add_column(
+        "tools",
+        sa.Column("remote_tool_name", sa.String(length=255), nullable=True),
+    )
+    op.create_index("ix_tools_mcp_server_id", "tools", ["mcp_server_id"])
+    op.create_foreign_key(
+        "fk_tools_mcp_server_id",
+        "tools",
+        "mcp_servers",
+        ["mcp_server_id"],
+        ["id"],
+        ondelete="CASCADE",
+    )
+    op.create_unique_constraint(
+        "uq_tools_mcp_server_remote_name",
+        "tools",
+        ["mcp_server_id", "remote_tool_name"],
+    )
+
+
+def downgrade() -> None:
+    op.drop_constraint(
+        "uq_tools_mcp_server_remote_name",
+        "tools",
+        type_="unique",
+    )
+    op.drop_constraint("fk_tools_mcp_server_id", "tools", type_="foreignkey")
+    op.drop_index("ix_tools_mcp_server_id", table_name="tools")
+    op.drop_column("tools", "remote_tool_name")
+    op.drop_column("tools", "mcp_server_id")
+    op.drop_index("ix_mcp_servers_status", table_name="mcp_servers")
+    op.drop_table("mcp_servers")