refactor(mcp): simplify model-facing tool contracts - #348
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Included review availability: Your plan provides up to 8 included reviews per hour; 5 remain after this review. 📝 WalkthroughWalkthroughThe change revises process-session metadata, truncation warnings, Codex and Claude tool responses, patch reporting, and ChangesTool contract updates
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~30 minutes Change: Refactor Sequence Diagram(s)sequenceDiagram
participant Client
participant exec_command
participant ProcessSession
participant HeadTailBuffer
Client->>exec_command: Submit command and workdir
exec_command->>ProcessSession: Start process
ProcessSession->>HeadTailBuffer: Drain process output
HeadTailBuffer-->>ProcessSession: Return output and originalTokenCount
ProcessSession-->>exec_command: Return wallTimeSeconds and process state
exec_command-->>Client: Return structured process result
Suggested reviewers: Merge Risk: ⚪ Minimal · up to The PR simplifies tool responses while preserving the actionable process, workspace, and error-state information needed by consumers; no merge-blocking risk was identified. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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Greptile SummaryThe workspace bootstrap response no longer reports skill-loading collisions, even though those diagnostics are still recorded internally. This should be addressed to preserve actionable workspace setup feedback, but it is a non-blocking concern and the change is otherwise safe to merge. Confidence Score: 4/5Safe to merge after considering the non-blocking loss of skill collision feedback; restoring that feedback would improve workspace setup recovery. An authenticated MCP comparison reproduced one user-visible behavior regression: collision diagnostics remain internally available but are absent from the current workspace bootstrap contract. Files Needing Attention: src/server.ts, particularly the open_workspace output schema and structured response construction at lines 576-587.
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Reviews (1): Last reviewed commit: "refactor: remove unused diff stats helpe..." | Re-trigger Greptile |
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Actionable comments posted: 1
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Inline comments:
In `@src/server.test.ts`:
- Line 112: Replace the platform-specific "pwd" command in the test invoking
processSessions.start with a cross-platform Node command that prints
process.cwd(), preserving the existing cwd/workdir assertion.
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📒 Files selected for processing (8)
src/process-sessions.test.tssrc/process-sessions.tssrc/server.test.tssrc/server.tssrc/tool-surfaces/claude.tssrc/tool-surfaces/codex.tssrc/tool-surfaces/shared.tssrc/tool-surfaces/types.ts
💤 Files with no reviewable changes (2)
- src/tool-surfaces/types.ts
- src/tool-surfaces/shared.ts
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Several MCP tool responses expose internal lifecycle and bookkeeping fields that add model context without changing the agent's next action. The Codex-compatible process surface had also drifted from Codex's own input and result shape, while workspace and mutation tools were returning empty collections, availability notes, diagnostics, and duplicate patch metadata.
This trims those surfaces while preserving compatibility for hosts that consume either textual content or structuredContent. Workspace bootstrap responses now keep actionable context and exceptional state, Codex process tools use the smaller
workdirinput and Codex-style process results with explicit truncation metadata, and mutation tools return concise acknowledgements. Rich UI state stays in result metadata, while durable review references remain structured because historical review restoration depends on them.Summary by CodeRabbit
Improvements
workdirand no longer require terminal dimension settings.Workspace Tools