git clone https://github.com/Linkingooo/renderdoc-mcp.git
cd renderdoc-mcp
pip install -e .

{
  "mcpServers": {
    "renderdoc": {
      "command": "python",
      "args": ["-m", "renderdoc_mcp"],
      "env": {
        "RENDERDOC_MODULE_PATH": "C:\\Program Files\\RenderDoc"
      }
    }
  }
}

{
  "mcpServers": {
    "renderdoc": {
      "command": "python",
      "args": ["-m", "renderdoc_mcp"],
      "env": {
        "RENDERDOC_MODULE_PATH": "C:\\Program Files\\RenderDoc"
      }
    }
  }
}

# Set the module path
export RENDERDOC_MODULE_PATH="/path/to/renderdoc"   # Linux/macOS
set RENDERDOC_MODULE_PATH=C:\Program Files\RenderDoc  # Windows

# Run
python -m renderdoc_mcp

open_capture("frame.rdc")                     # Load the capture
├── get_capture_info()                         # API, GPU, known_gpu_quirks
├── get_frame_overview()                       # Frame-level stats and render passes
├── get_draw_call_state(142)                   # Complete draw call state in one call
├── diff_draw_calls(140, 142)                  # Compare two draw calls (with implications)
├── export_draw_textures(142, "./tex/")        # Batch export all bound textures
├── save_render_target(142, "./rt.png")        # Save render target snapshot
├── analyze_render_passes()                    # Auto-detect render pass boundaries
├── find_draws(blend=True, min_vertices=1000)  # Search by rendering state
├── sample_pixel_region(rt_id, 0,0,512,512)   # Scan RT region for NaN/Inf/negatives
├── pixel_history(id, 512, 384)               # Debug a specific pixel
├── export_mesh(142, "./mesh.obj")             # Export mesh as OBJ
└── close_capture()                            # Clean up

get_pass_timing(granularity="pass")      # Find most expensive render passes
analyze_overdraw()                        # Fill-rate pressure estimate
analyze_bandwidth()                       # Memory bandwidth estimate
analyze_state_changes()                   # Batching opportunities
diagnose_negative_values()               # Find NaN/Inf/negative color values (爆闪)
diagnose_precision_issues()              # R11G11B10, D16, SRGB mismatches
diagnose_reflection_mismatch()           # Reflection artifact diagnosis
diagnose_mobile_risks()                  # Comprehensive mobile GPU risk check

set_event(142)                                    # Navigate to a draw call
├── get_pipeline_state()                          # Inspect rasterizer/blend/depth
├── get_shader_bindings("pixel")                  # Check what textures/buffers are bound
├── get_cbuffer_contents("pixel", 0, filter="ibl") # Read shader constants (filterable)
├── disassemble_shader("pixel", search="SampleSH") # Shader code with context search
└── save_texture(id, "rt.png")                    # Export a specific texture

AI Assistant ←—MCP—→ renderdoc-mcp server ←—Python API—→ renderdoc.pyd ←→ GPU replay

# Install in dev mode
pip install -e .

# Run tests (no RenderDoc needed — uses mocks)
python -m pytest tests/ -v

# Project structure
src/renderdoc_mcp/
├── server.py                 # FastMCP server, 3 prompt definitions
├── session.py                # Capture lifecycle, resource/texture caches (singleton)
├── util.py                   # Serialization, enum maps, blend formula, module loader
└── tools/
    ├── session_tools.py      # open/close/info (GPU quirks) + get_frame_overview
    ├── event_tools.py        # list/get/set/search actions + find_draws
    ├── pipeline_tools.py     # pipeline state, shader bindings, vertex inputs + get_draw_call_state
    ├── resource_tools.py     # texture/buffer/resource enumeration
    ├── data_tools.py         # save/read/pick/stats + read_texture_pixels + export_draw_textures, save_render_target, export_mesh
    ├── shader_tools.py       # disassembly (fallback chain, search), reflection, cbuffer contents (filter)
    ├── advanced_tools.py     # pixel history, post-VS data + diff_draw_calls (implications), analyze_render_passes, sample_pixel_region, debug_shader_at_pixel
    ├── performance_tools.py  # get_pass_timing, analyze_overdraw, analyze_bandwidth, analyze_state_changes
    └── diagnostic_tools.py  # diagnose_negative_values, diagnose_precision_issues, diagnose_reflection_mismatch, diagnose_mobile_risks