Feature/mcp client initialized event #277
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…e event immediately after currentClient is populated with actual values\n- Event now includes correct client_name and client_version in analytics payload\n- Added client_info_available property to track edge cases where clientInfo is missing\n- Resolves timing issue where run_server_start captured 'uninitialized' client name
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Note Other AI code review bot(s) detectedCodeRabbit has detected other AI code review bot(s) in this pull request and will avoid duplicating their findings in the review comments. This may lead to a less comprehensive review. WalkthroughA telemetry capture event ( Changes
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| deferLog('info', `Client connected: ${currentClient.name} v${currentClient.version}`); | ||
| } | ||
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| capture('mcp_client_initialized'); |
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Suggestion: Include the current client name/version when emitting the initialization analytics event. [enhancement]
Severity Level: Minor
| capture('mcp_client_initialized'); | |
| capture('mcp_client_initialized', { | |
| client: { | |
| name: currentClient?.name || 'unknown', | |
| version: currentClient?.version || 'unknown' | |
| } | |
| }); |
Why it matters? ⭐
The suggestion is valid and low-risk: adding client name/version to the initialization event gives richer analytics and is straightforward to implement.
Note: src/utils/capture.ts already already enriches events with client context (it reads and injects currentClient -> client_name/client_version), so this change will duplicate that data in the event payload rather than fix a bug. Duplication isn't harmful because captureBase sanitizes and filters properties before sending, but it means the improvement is mainly cosmetic/analytics-related (better explicitness) rather than required to make telemetry work.
Prompt for AI Agent 🤖
This is a comment left during a code review.
**Path:** src/server.ts
**Line:** 134:134
**Comment:**
*Enhancement: Include the current client name/version when emitting the initialization analytics event.
Validate the correctness of the flagged issue. If correct, How can I resolve this? If you propose a fix, implement it and please make it concise.
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Actionable comments posted: 0
🧹 Nitpick comments (1)
src/server.ts (1)
134-135: LGTM! Telemetry addition is well-placed.The
mcp_client_initializedevent is correctly placed after client initialization setup and within error handling. The fire-and-forget pattern (not awaiting) is acceptable.Optional improvements for consistency:
- Consider awaiting the capture call to ensure telemetry is sent before the response returns, matching the pattern used for other successful operations (e.g., lines 1066, 1087, 1106):
- capture('mcp_client_initialized'); + await capture('mcp_client_initialized');
- Consider including client metadata as properties for richer analytics (ensuring no PII is included):
- await capture('mcp_client_initialized'); + await capture('mcp_client_initialized', { + client_name: currentClient.name, + has_version: !!currentClient.version + });These are minor consistency improvements rather than issues—the current implementation works correctly.
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📒 Files selected for processing (1)
src/server.ts(1 hunks)
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🧠 Learnings (2)
📓 Common learnings
Learnt from: tillahoffmann
Repo: wonderwhy-er/DesktopCommanderMCP PR: 137
File: src/index.ts:160-162
Timestamp: 2025-05-25T16:02:52.184Z
Learning: In stateless MCP server implementations using the modelcontextprotocol/typescript-sdk, the correct pattern is to call both transport.close() and server.close() in the request close event handler. This is the official recommended approach according to the documentation for ensuring complete isolation between requests and preventing request ID collisions in concurrent scenarios.
📚 Learning: 2025-05-25T16:02:52.184Z
Learnt from: tillahoffmann
Repo: wonderwhy-er/DesktopCommanderMCP PR: 137
File: src/index.ts:160-162
Timestamp: 2025-05-25T16:02:52.184Z
Learning: In stateless MCP server implementations using the modelcontextprotocol/typescript-sdk, the correct pattern is to call both transport.close() and server.close() in the request close event handler. This is the official recommended approach according to the documentation for ensuring complete isolation between requests and preventing request ID collisions in concurrent scenarios.
Applied to files:
src/server.ts
🧬 Code graph analysis (1)
src/server.ts (1)
src/utils/capture.ts (1)
capture(277-284)
CodeAnt-AI Description
Emit mcp_client_initialized event after client info is set
What Changed
mcp_client_initializedanalytics event immediately after a connecting client's name and version are recorded during initializationImpact
✅ Accurate client name/version in startup analytics✅ Fewer analytics events labeled "uninitialized"✅ Clearer client-version data for telemetry and diagnostics💡 Usage Guide
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