{
  "mcpServers": {
    "largefile": {
      "command": "uvx",
      "args": ["--from", "largefile", "largefile-mcp"]
    }
  }
}

# Get semantic structure of a large Python file
overview = get_overview("/path/to/large_module.py")
# Returns: 2,847 lines, 15 classes, function outline via Tree-sitter

# Find all class definitions
classes = search_content("/path/to/large_module.py", "class ", fuzzy=False)

# Read complete class with semantic chunking
code = read_content("/path/to/large_module.py", pattern="class UserModel", mode="semantic")

# Preview rename across file
preview = edit_content("/path/to/api.py", changes=[
    {"search": "process_data", "replace": "transform_data"},
    {"search": "old_endpoint", "replace": "new_endpoint"}
], preview=True)

# Apply changes (creates automatic backup)
result = edit_content("/path/to/api.py", changes=[...], preview=False)

# Undo if needed
revert_edit("/path/to/api.py")

# Get log file overview
overview = get_overview("/var/log/app.log")
# Returns: 150,000 lines, 2.1GB

# Read last 500 lines efficiently
recent = read_content("/var/log/app.log", limit=500, mode="tail")

# Count errors without loading content
error_count = search_content("/var/log/app.log", "ERROR", count_only=True, fuzzy=False)

# Find errors with regex
errors = search_content("/var/log/app.log", r"ERROR.*timeout", regex=True)

LARGEFILE_MEMORY_THRESHOLD_MB=50      # RAM loading limit
LARGEFILE_MMAP_THRESHOLD_MB=500       # Memory mapping limit
LARGEFILE_FUZZY_THRESHOLD=0.8         # Match sensitivity (0.0-1.0)
LARGEFILE_MAX_SEARCH_RESULTS=20       # Results per search
LARGEFILE_BACKUP_DIR=~/.largefile/backups