ACE-Tool - Semantic Code Search & Prompt Enhancement

High-performance semantic search and AI-powered prompt enhancement. Standalone CLI (no MCP dependency).

Execution Methods

bash

# Prerequisites: pip install httpx tenacity
# Environment: ACE_API_URL, ACE_API_TOKEN (optional for local fallback)

# Search codebase with natural language
python scripts/ace_cli.py search_context -p /path/to/project -q "function that handles authentication"

# Enhance prompt (interactive mode - default, opens browser)
python scripts/ace_cli.py enhance_prompt -p "implement login feature" -H "User: what auth method?\nAssistant: JWT"

# Enhance prompt (non-interactive, JSON output)
python scripts/ace_cli.py enhance_prompt --no-interactive -p "implement login feature"

# Enhance prompt with specific endpoint
python scripts/ace_cli.py --endpoint claude enhance_prompt -p "implement login feature"

# Check configuration
python scripts/ace_cli.py get_config

Tool Routing Policy

Prefer ACE-Tool Over Built-in Tools

Task	Avoid	Use ACE-Tool CLI
Find function by purpose	`grep "def func"`	`search_context -q "function that..."`
Locate feature code	`find . -name "*.py"`	`search_context -q "feature description"`
Clarify requirements	Manual analysis	`enhance_prompt -p "requirement"`
Understand code flow	Multiple grep/read	`search_context -q "flow description"`

When to Use Built-in Tools

•Exact string matching (known identifiers)
•File path patterns (known naming conventions)
•Simple text replacement

Command Reference

search_context

Search codebase using natural language descriptions.

bash

python scripts/ace_cli.py search_context -p <project_root> -q <query>

Options:
  -p, --project-root    Project root path (required)
  -q, --query           Natural language query (required)

enhance_prompt

Enhance prompts with codebase context and conversation history.

bash

python scripts/ace_cli.py [--endpoint TYPE] enhance_prompt -p <prompt> [options]

Global Options:
  --endpoint            Endpoint type: new, old, claude, openai, gemini (default: new)
  --api-url             Override API base URL
  --token               Override API token

Command Options:
  -p, --prompt          Original prompt (required)
  -H, --history         Conversation history: "User: xxx\nAssistant: yyy"
  --history-file        File containing conversation history
  --project-root        Project root path (optional)
  --no-interactive      Disable web UI, output JSON directly
  --no-browser          Don't auto-open browser, just print URL
  --port                Port for web server (default: 8765)

get_config

Show current configuration status.

bash

python scripts/ace_cli.py get_config

Interactive Enhancement

Default mode opens web UI with actions:

Button	Action
Regenerate	Discard current, generate new enhancement from original prompt
Refine	Iteratively improve current version, preserving your edits
Use Original	Return the original prompt without enhancement
Send Enhanced	Confirm and use the current enhanced prompt
Cancel	Abort the enhancement process

Keyboard Shortcuts: Ctrl+Enter Send | Esc Cancel

Workflow

Phase 1: Semantic Search

bash

search_context -p . -q "database connection pooling"  # Find relevant code
# Review returned file locations
# Read specific files for details

Phase 2: Prompt Enhancement

bash

enhance_prompt -p "optimize query performance"        # Opens interactive UI
# Review and refine enhanced prompt
# Use Regenerate/Refine as needed
# Send Enhanced to confirm

Error Handling

json

{"error": "error message", "status_code": 401}

Error	Recovery
No API configured	Uses local fallback for search_context
Token invalid (401)	Check API token
Access denied (403)	Token may be disabled
Connection timeout	Retries up to 3 times with exponential backoff
No results	Broaden search query

Anti-Patterns

Prohibited	Correct
Grep before semantic search	Use `search_context` first
Skip prompt enhancement	Use `enhance_prompt` for complex tasks
Ignore conversation history	Include history in `enhance_prompt`
Use exact match for conceptual search	Use natural language query
Always use non-interactive mode	Use interactive mode for review