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MCP Journaling Server

by mtct

generate_session_summary

Creates a markdown summary of journaling sessions to document conversations and maintain continuity in daily activity discussions.

Instructions

Generate a markdown summary of the journaling session.

Args: summary: The llm generated summay of the conversation

Returns: str: Confirmation message

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
summaryYes

Implementation Reference

  • The handler function decorated with @mcp.tool(), which registers and implements the generate_session_summary tool. It formats the conversation log into a markdown journal entry with a header, transcript, and provided summary, then saves it using save_journal_entry.
    @mcp.tool()
    async def generate_session_summary(summary: str) -> str:
        """
        Generate a markdown summary of the journaling session.
    
        Args:
            summary: The llm generated summay of the conversation
        
        Returns:
            str: Confirmation message
        """
        if not conversation_log:
            return "No conversation to summarize. Please start a new session first."
        
        lines = []
        
        # Add header with date
        today = datetime.now().strftime("%B %d, %Y")
        lines.append(f"# Journal Entry - {today}\n")
        
        # Add conversation transcript
        lines.append("## Conversation\n")
        for entry in conversation_log:
            speaker = "You" if entry["speaker"] == "user" else "Assistant"
            timestamp = datetime.fromisoformat(entry["timestamp"]).strftime("%H:%M")
            lines.append(f"**{speaker} ({timestamp})**: {entry['message']}\n")
        
        # Add reflection prompt for emotional analysis
        lines.append("\n## Emotional Analysis\n")
        lines.append(summary)
        file_text = "\n".join(lines)
        await save_journal_entry(file_text)
        
        return "Conversation saved to journal"
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries the full burden of behavioral disclosure. It states the tool generates a markdown summary but doesn't explain what happens to the summary (e.g., saved, displayed, sent), whether it modifies session state, or any side effects like permissions or rate limits. This is inadequate for a tool with no annotation coverage.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is brief and front-loaded with the main purpose, but includes redundant sections like 'Args:' and 'Returns:' that repeat schema information without adding value. It could be more streamlined by focusing only on clarifying aspects not covered elsewhere.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no annotations, no output schema, and low parameter coverage, the description is incomplete. It doesn't explain the return value beyond 'Confirmation message', leaving the agent uncertain about what to expect. For a tool with this complexity, more context on behavior and output is needed.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema description coverage is 0%, and the description adds minimal parameter semantics. It mentions 'summary: The llm generated summary of the conversation' but doesn't clarify format, length, or content expectations beyond what's implied by the name. With one undocumented parameter, this doesn't compensate for the schema gap.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: 'Generate a markdown summary of the journaling session.' This specifies the verb (generate), resource (markdown summary), and context (journaling session). However, it doesn't explicitly differentiate from sibling tools like 'record_interaction' or 'start_new_session', which prevents a perfect score.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides no guidance on when to use this tool versus alternatives. It doesn't mention prerequisites, such as whether a session must be active, or how it relates to siblings like 'start_new_session' for initiating sessions. This leaves the agent without context for tool selection.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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