diff --git a/lib/galaxy/model/__init__.py b/lib/galaxy/model/__init__.py
index 36aee6b45441..848de080d074 100644
--- a/lib/galaxy/model/__init__.py
+++ b/lib/galaxy/model/__init__.py
@@ -176,6 +176,7 @@
     DatasetValidatedState,
     InvocationsStateCounts,
     JobState,
+    ToolRequestState,
 )
 from galaxy.schema.workflow.comments import WorkflowCommentModel
 from galaxy.security import get_permitted_actions
@@ -1328,6 +1329,30 @@ def __init__(self, user, token=None):
         self.expiration_time = now() + timedelta(hours=24)
 
 
+class ToolSource(Base, Dictifiable, RepresentById):
+    __tablename__ = "tool_source"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    hash: Mapped[Optional[str]] = mapped_column(Unicode(255))
+    source: Mapped[dict] = mapped_column(JSONType)
+
+
+class ToolRequest(Base, Dictifiable, RepresentById):
+    __tablename__ = "tool_request"
+
+    states: TypeAlias = ToolRequestState
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    tool_source_id: Mapped[int] = mapped_column(ForeignKey("tool_source.id"), index=True)
+    history_id: Mapped[Optional[int]] = mapped_column(ForeignKey("history.id"), index=True)
+    request: Mapped[dict] = mapped_column(JSONType)
+    state: Mapped[Optional[str]] = mapped_column(TrimmedString(32), index=True)
+    state_message: Mapped[Optional[str]] = mapped_column(JSONType, index=True)
+
+    tool_source: Mapped["ToolSource"] = relationship()
+    history: Mapped[Optional["History"]] = relationship(back_populates="tool_requests")
+
+
 class DynamicTool(Base, Dictifiable, RepresentById):
     __tablename__ = "dynamic_tool"
 
@@ -1454,7 +1479,9 @@ class Job(Base, JobLike, UsesCreateAndUpdateTime, Dictifiable, Serializable):
     handler: Mapped[Optional[str]] = mapped_column(TrimmedString(255), index=True)
     preferred_object_store_id: Mapped[Optional[str]] = mapped_column(String(255))
     object_store_id_overrides: Mapped[Optional[STR_TO_STR_DICT]] = mapped_column(JSONType)
+    tool_request_id: Mapped[Optional[int]] = mapped_column(ForeignKey("tool_request.id"), index=True)
 
+    tool_request: Mapped[Optional["ToolRequest"]] = relationship()
     user: Mapped[Optional["User"]] = relationship()
     galaxy_session: Mapped[Optional["GalaxySession"]] = relationship()
     history: Mapped[Optional["History"]] = relationship(back_populates="jobs")
@@ -3177,6 +3204,7 @@ class History(Base, HasTags, Dictifiable, UsesAnnotations, HasName, Serializable
     )
     user: Mapped[Optional["User"]] = relationship(back_populates="histories")
     jobs: Mapped[List["Job"]] = relationship(back_populates="history", cascade_backrefs=False)
+    tool_requests: Mapped[List["ToolRequest"]] = relationship(back_populates="history")
 
     update_time = column_property(
         select(func.max(HistoryAudit.update_time)).where(HistoryAudit.history_id == id).scalar_subquery(),
diff --git a/lib/galaxy/schema/schema.py b/lib/galaxy/schema/schema.py
index 9e461bd5655d..2e585087c318 100644
--- a/lib/galaxy/schema/schema.py
+++ b/lib/galaxy/schema/schema.py
@@ -3737,6 +3737,22 @@ class AsyncTaskResultSummary(Model):
     )
 
 
+ToolRequestIdField = Field(title="ID", description="Encoded ID of the role")
+
+
+class ToolRequestState(str, Enum):
+    NEW = "new"
+    SUBMITTED = "submitted"
+    FAILED = "failed"
+
+
+class ToolRequestModel(Model):
+    id: EncodedDatabaseIdField = ToolRequestIdField
+    request: Dict[str, Any]
+    state: ToolRequestState
+    state_message: Optional[str]
+
+
 class AsyncFile(Model):
     storage_request_id: UUID
     task: AsyncTaskResultSummary