grepmax

Performs semantic search across codebases using locally-computed embeddings rather than cloud APIs, enabling privacy-preserving natural language queries against code. Indexes code files into vector embeddings that capture semantic meaning, allowing developers to find relevant code snippets by intent rather than exact keyword matching. Uses embedding models that run locally to avoid external API calls and latency overhead.

Generates concise natural language summaries of code functions, classes, and modules using local or remote LLMs, enabling agents to understand code purpose without parsing implementation details. Processes code through an LLM to extract high-level intent, parameters, return values, and side effects into human-readable descriptions. Caches summaries to avoid redundant LLM calls across multiple agent queries.

Constructs and traverses call graphs to trace function dependencies, showing which functions call which other functions across the codebase. Analyzes code to build a directed graph of function calls, enabling agents to understand execution flow and identify all code paths that lead to or from a specific function. Supports querying for callers, callees, and transitive dependencies.

Filters code files for indexing and search using glob patterns, allowing selective inclusion/exclusion of directories and file types. Applies patterns like `src/**/*.ts` or `!node_modules/**` to control which files are indexed, reducing index size and search scope. Supports standard glob syntax with negation patterns for fine-grained control.

Indexes source code across multiple programming languages (Python, JavaScript, TypeScript, Java, etc.) into a unified searchable format. Uses language-agnostic embedding and semantic analysis to make code written in different languages discoverable through the same search interface. Handles language-specific syntax and semantics transparently.

Retrieves code context in a format optimized for LLM agents — structured, concise, and with explicit metadata about relevance, dependencies, and relationships. Returns code snippets with surrounding context, call graph information, and semantic summaries in a format agents can directly use for decision-making. Prioritizes information density and actionability over human readability.

Updates code embeddings and call graphs incrementally when files change, rather than re-indexing the entire codebase. Detects file modifications and recomputes only affected embeddings and graph edges, maintaining index freshness with minimal computational overhead. Supports both file-system watching and explicit update triggers.