renderdoc-mcp v0.3.1

v0.3.1 — GPU Counters, CBuffer Reading & Quality Improvements

Date: 2026-04-10

Highlights

• 57 MCP tools (5 new since v0.3.0)
• GPU performance counter profiling tools
• Constant buffer content reading
• Multiple rounds of code quality fixes from code review
• README redesign with new logo and demo screenshots

New Tools (5)

GPU Performance Counters & CBuffer Reading

• get_gpu_counters — List available GPU performance counters
• enable_gpu_counters — Enable specific counters for profiling
• get_counter_results — Retrieve counter results for event ranges
• get_cbuffer_data — Read constant buffer contents for a draw call
• get_cbuffer_list — List constant buffers bound to a shader stage

Bug Fixes

• Fix assert_pixel expected array length validation to prevent out-of-bounds access
• Wrap ResourceId parse errors in CoreError for consistent error handling
• Omit depth field when absent instead of setting null
• Add nlohmann_json dependency to renderdoc-core
• Complete MCP init handshake in integration tests
• Address 15+ code review issues across critical, important, and suggestion categories

Refactoring

• Extract ResourceId utilities into dedicated module
• Split diff.cpp into smaller focused files
• Replace magic numbers with named constants and add source/rationale comments

Documentation

• Redesign README with project logo, demo screenshots, and architecture diagram
• Improve demo image layout and dark mode visibility

Notes

• Windows x64 only
• Requires RenderDoc v1.43+ runtime