diff --git a/app/entrypoints/web.py b/app/entrypoints/web.py
index fc4bf74..7ade05a 100644
--- a/app/entrypoints/web.py
+++ b/app/entrypoints/web.py
@@ -18,6 +18,7 @@
 )
 from fastapi.responses import PlainTextResponse
 from fastapi.security import HTTPBasic, HTTPBasicCredentials
+from pydantic import BaseModel, Field
 from sqlmodel import desc, select
 from sqlmodel.ext.asyncio.session import AsyncSession
 
@@ -27,6 +28,7 @@
 from models.agent import Agent, AgentData, AgentQuota
 from models.chat import (
     AuthorType,
+    Chat,
     ChatMessage,
     ChatMessageRequest,
 )
@@ -617,3 +619,130 @@ async def create_chat(
         if isinstance(e, HTTPException):
             raise
         raise HTTPException(status_code=500, detail=str(e))
+
+
+@chat_router_readonly.get(
+    "/agents/{aid}/chats",
+    response_model=List[Chat],
+    summary="Get chat list by agent and user",
+    tags=["Chat"],
+)
+async def get_agent_chats(
+    aid: str = Path(..., description="Agent ID"),
+    user_id: str = Query(..., description="User ID"),
+):
+    """Get chat list for a specific agent and user.
+
+    **Parameters:**
+    * `aid` - Agent ID
+    * `user_id` - User ID
+
+    **Returns:**
+    * `List[Chat]` - List of chats for the specified agent and user
+
+    **Raises:**
+    * `404` - Agent not found
+    """
+    # Verify agent exists
+    agent = await Agent.get(aid)
+    if not agent:
+        raise HTTPException(status_code=404, detail="Agent not found")
+
+    # Get chats by agent and user
+    chats = await Chat.get_by_agent_user(aid, user_id)
+    return chats
+
+
+class ChatSummaryUpdate(BaseModel):
+    """Request model for updating chat summary."""
+
+    summary: str = Field(
+        ...,
+        description="New summary text for the chat",
+        examples=["User asked about product features and pricing"],
+        min_length=1,
+    )
+
+
+@chat_router.put(
+    "/agents/{aid}/chats/{chat_id}",
+    response_model=Chat,
+    summary="Update chat summary",
+    tags=["Chat"],
+)
+async def update_chat_summary(
+    update_data: ChatSummaryUpdate,
+    aid: str = Path(..., description="Agent ID"),
+    chat_id: str = Path(..., description="Chat ID"),
+):
+    """Update the summary of a specific chat.
+
+    **Parameters:**
+    * `aid` - Agent ID
+    * `chat_id` - Chat ID
+    * `update_data` - Summary update data (in request body)
+
+    **Returns:**
+    * `Chat` - Updated chat object
+
+    **Raises:**
+    * `404` - Agent or chat not found
+    """
+    # Verify agent exists
+    agent = await Agent.get(aid)
+    if not agent:
+        raise HTTPException(status_code=404, detail="Agent not found")
+
+    # Get chat
+    chat = await Chat.get(chat_id)
+    if not chat:
+        raise HTTPException(status_code=404, detail="Chat not found")
+
+    # Verify chat belongs to agent
+    if chat.agent_id != aid:
+        raise HTTPException(status_code=404, detail="Chat not found for this agent")
+
+    # Update summary
+    updated_chat = await chat.update_summary(update_data.summary)
+    return updated_chat
+
+
+@chat_router.delete(
+    "/agents/{aid}/chats/{chat_id}",
+    status_code=status.HTTP_204_NO_CONTENT,
+    summary="Delete a chat",
+    tags=["Chat"],
+)
+async def delete_chat(
+    aid: str = Path(..., description="Agent ID"),
+    chat_id: str = Path(..., description="Chat ID"),
+):
+    """Delete a specific chat.
+
+    **Parameters:**
+    * `aid` - Agent ID
+    * `chat_id` - Chat ID
+
+    **Returns:**
+    * `204 No Content` - Success
+
+    **Raises:**
+    * `404` - Agent or chat not found
+    """
+    # Verify agent exists
+    agent = await Agent.get(aid)
+    if not agent:
+        raise HTTPException(status_code=404, detail="Agent not found")
+
+    # Get chat
+    chat = await Chat.get(chat_id)
+    if not chat:
+        raise HTTPException(status_code=404, detail="Chat not found")
+
+    # Verify chat belongs to agent
+    if chat.agent_id != aid:
+        raise HTTPException(status_code=404, detail="Chat not found for this agent")
+
+    # Delete chat
+    await chat.delete()
+    return Response(status_code=status.HTTP_204_NO_CONTENT)
diff --git a/models/chat.py b/models/chat.py
index 2dd10e5..e6c487e 100644
--- a/models/chat.py
+++ b/models/chat.py
@@ -2,11 +2,12 @@
 from enum import Enum
 from typing import List, NotRequired, Optional, TypedDict
 
+from fastapi import HTTPException
 from pydantic import BaseModel, Field
 from sqlalchemy import Column, DateTime, Index, String, func
 from sqlalchemy.dialects.postgresql import JSONB
 from sqlmodel import Field as SQLModelField
-from sqlmodel import SQLModel
+from sqlmodel import SQLModel, desc, select, update
 
 from models.db import get_session
 
@@ -190,3 +191,103 @@ async def save(self):
             db.add(self)
             await db.commit()
             await db.refresh(self)
+
+
+class Chat(SQLModel, table=True):
+    """Chat model."""
+
+    __tablename__ = "chats"
+    __table_args__ = (Index("ix_chats_agent_user", "agent_id", "user_id"),)
+
+    id: str = SQLModelField(
+        primary_key=True,
+        description="Unique identifier for the chat",
+    )
+    agent_id: str = SQLModelField(
+        description="ID of the agent this chat belongs to",
+    )
+    user_id: str = SQLModelField(
+        description="User ID of the chat",
+    )
+    summary: str = SQLModelField(
+        default="",
+        description="Summary of the chat",
+    )
+    rounds: int = SQLModelField(
+        default=0,
+        description="Number of rounds in the chat",
+    )
+    created_at: datetime = SQLModelField(
+        default_factory=lambda: datetime.now(timezone.utc),
+        sa_type=DateTime(timezone=True),
+        sa_column_kwargs={"server_default": func.now()},
+        nullable=False,
+        description="Timestamp when this chat was created",
+    )
+    updated_at: datetime = SQLModelField(
+        default_factory=lambda: datetime.now(timezone.utc),
+        sa_type=DateTime(timezone=True),
+        sa_column_kwargs={
+            "onupdate": lambda: datetime.now(timezone.utc),
+        },
+        nullable=False,
+        description="Timestamp when this chat was updated",
+    )
+
+    @classmethod
+    async def get(cls, id: str) -> "Chat":
+        async with get_session() as db:
+            chat = await db.get(cls, id)
+            if not chat:
+                raise HTTPException(status_code=404, detail="Chat not found")
+            return chat
+
+    async def create(self):
+        async with get_session() as db:
+            db.add(self)
+            await db.commit()
+            await db.refresh(self)
+
+    async def delete(self):
+        async with get_session() as db:
+            db.delete(self)
+            await db.commit()
+
+    async def add_round(self):
+        """Increment the number of rounds in the chat on the database server.
+
+        Uses a direct SQL UPDATE statement to increment the rounds counter
+        on the server side, avoiding potential race conditions.
+        """
+        async with get_session() as db:
+            stmt = update(Chat).where(Chat.id == self.id).values(rounds=Chat.rounds + 1)
+            await db.exec(stmt)
+            await db.commit()
+
+    async def update_summary(self, summary: str) -> "Chat":
+        """Update the chat summary in the database.
+
+        Uses a direct SQL UPDATE statement to set the summary field.
+
+        Args:
+            summary: New summary text for the chat
+        """
+        async with get_session() as db:
+            stmt = update(Chat).where(Chat.id == self.id).values(summary=summary)
+            await db.exec(stmt)
+            await db.commit()
+            # Refresh the local object to reflect the database change
+            self.summary = summary
+            return self
+
+    @classmethod
+    async def get_by_agent_user(cls, agent_id: str, user_id: str) -> List["Chat"]:
+        async with get_session() as db:
+            return (
+                await db.exec(
+                    select(cls)
+                    .order_by(desc(cls.updated_at))
+                    .limit(10)
+                    .where(cls.agent_id == agent_id, cls.user_id == user_id)
+                )
+            ).all()
diff --git a/skills/elfa/mention.py b/skills/elfa/mention.py
index 1f049ba..87d4b4d 100644
--- a/skills/elfa/mention.py
+++ b/skills/elfa/mention.py
@@ -114,8 +114,7 @@ class ElfaGetMentions(ElfaBaseTool):
     """
 
     name: str = "elfa_get_mentions"
-    description: str = (
-        """This tool uses the Elfa AI API to query hourly-updated tweets from "smart accounts" – accounts identified as influential or relevant – that have received at least 10 interactions (comments, retweets, quote tweets).
+    description: str = """This tool uses the Elfa AI API to query hourly-updated tweets from "smart accounts" – accounts identified as influential or relevant – that have received at least 10 interactions (comments, retweets, quote tweets).
 
         This tool is useful for:
 
@@ -125,7 +124,6 @@ class ElfaGetMentions(ElfaBaseTool):
         * **Reputation Management:**  Identify and address potential PR issues.
 
         The data returned includes the tweet content, timestamp, and potentially other relevant metadata."""
-    )
     args_schema: Type[BaseModel] = ElfaGetMentionsInput
 
     def _run(self) -> ElfaGetMentionsOutput:
@@ -255,8 +253,7 @@ class ElfaGetTopMentions(ElfaBaseTool):
     """
 
     name: str = "elfa_get_top_mentions"
-    description: str = (
-        """This tool uses the Elfa API to query tweets mentioning a specific stock ticker. The tweets are ranked by view count, providing insight into the most visible and potentially influential discussions surrounding the stock. The results are updated hourly, allowing for real-time monitoring of market sentiment.
+    description: str = """This tool uses the Elfa API to query tweets mentioning a specific stock ticker. The tweets are ranked by view count, providing insight into the most visible and potentially influential discussions surrounding the stock. The results are updated hourly, allowing for real-time monitoring of market sentiment.
 
         This tool is useful for:
 
@@ -265,7 +262,6 @@ class ElfaGetTopMentions(ElfaBaseTool):
         * **Investor Insights:** Monitor the conversations and opinions of investors and traders.
 
         To use this tool, simply provide the stock ticker symbol (e.g., "AAPL", "TSLA"). The tool will return a list of tweets, ranked by view count."""
-    )
     args_schema: Type[BaseModel] = ElfaGetTopMentionsInput
 
     def _run(
@@ -409,8 +405,7 @@ class ElfaSearchMentions(ElfaBaseTool):
     """
 
     name: str = "elfa_search_mentions"
-    description: str = (
-        """This tool uses the Elfa API to search tweets mentioning up to five keywords.  It can search within the past 30 days of data, which is updated every 5 minutes, or access up to six months of historical tweet data.
+    description: str = """This tool uses the Elfa API to search tweets mentioning up to five keywords.  It can search within the past 30 days of data, which is updated every 5 minutes, or access up to six months of historical tweet data.
 
         This tool is useful for:
 
@@ -420,7 +415,6 @@ class ElfaSearchMentions(ElfaBaseTool):
         * **Competitive Analysis:**  See what people are saying about your competitors.
 
         To use this tool, provide up to five keywords.  You can also specify whether you want to search recent or historical tweets."""
-    )
     args_schema: Type[BaseModel] = ElfaSearchMentionsInput
 
     def _run(
diff --git a/skills/elfa/stats.py b/skills/elfa/stats.py
index 6db76b1..2af069a 100644
--- a/skills/elfa/stats.py
+++ b/skills/elfa/stats.py
@@ -51,8 +51,7 @@ class ElfaGetSmartStats(ElfaBaseTool):
     """
 
     name: str = "elfa_get_smart_stats"
-    description: str = (
-        """This tool uses the Elfa API to retrieve key social media metrics for a given username.  These metrics include:
+    description: str = """This tool uses the Elfa API to retrieve key social media metrics for a given username.  These metrics include:
 
         * **Smart Following Count:** A metric representing the number of high-quality or influential followers.
         * **Engagement Score:** A composite score reflecting the level of interaction with the user's content.
@@ -64,7 +63,6 @@ class ElfaGetSmartStats(ElfaBaseTool):
         * **Influencer Identification:** Identify influential users in your niche.
         * **Social Media Audits:**  Assess the overall health and effectiveness of a social media presence.
         """
-    )
     args_schema: Type[BaseModel] = ElfaGetSmartStatsInput
 
     def _run(self, username: str) -> ElfaGetSmartStatsOutput:
diff --git a/skills/elfa/tokens.py b/skills/elfa/tokens.py
index de69445..db839f4 100644
--- a/skills/elfa/tokens.py
+++ b/skills/elfa/tokens.py
@@ -53,8 +53,7 @@ class ElfaGetTrendingTokens(ElfaBaseTool):
     """
 
     name: str = "elfa_get_trending_tokens"
-    description: str = (
-        """This tool ranks the most discussed tokens based on smart mentions count for a given period, with updates every 5 minutes via the Elfa API.  Smart mentions provide a more sophisticated measure of discussion volume than simple keyword counts.
+    description: str = """This tool ranks the most discussed tokens based on smart mentions count for a given period, with updates every 5 minutes via the Elfa API.  Smart mentions provide a more sophisticated measure of discussion volume than simple keyword counts.
 
         **Use Cases:**
 
@@ -65,7 +64,6 @@ class ElfaGetTrendingTokens(ElfaBaseTool):
         **Example Usage:**
 
         To use this tool, you would typically specify a time window (e.g., the last hour, the last 24 hours). The tool will then return a ranked list of tokens, along with their corresponding smart mention counts."""
-    )
     args_schema: Type[BaseModel] = ElfaGetTrendingTokensInput
 
     def _run(