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mcp-trove-crunchtools

Self-hosted local file indexing MCP server with semantic search. Index any local directory (pCloud ~/AutoSync/, rclone mounts, ~/Documents/, anything) and search over the contents using hybrid vector + keyword search.

Features

  • Hybrid search — Combines semantic vector similarity with FTS5 keyword matching
  • Multiple file formats — PDF, DOCX, Markdown, plain text, source code
  • Local-first — No cloud services, no per-seat fees, your data stays on your machine
  • Lightweight embeddings — Uses fastembed (ONNX runtime) instead of PyTorch (~22MB vs ~2GB)
  • Incremental indexing — SHA-256 checksum-based change detection
  • Background mode — --index CLI mode for systemd timer automation

Install

uvx mcp-trove-crunchtools

pip

pip install mcp-trove-crunchtools

Container

podman run -v trove-data:/data -v ~/Documents:/docs:ro quay.io/crunchtools/mcp-trove

Claude Code Integration

claude mcp add mcp-trove-crunchtools -- uvx mcp-trove-crunchtools

Tools (10)

Search (2)

Tool Description
trove_search Hybrid semantic + FTS5 search. Returns ranked chunks with file paths, scores, and content.
trove_similar Find files similar to a given indexed file using its average embedding.

Index Management (3)

Tool Description
trove_index Index a specific file or directory. Skips unchanged files (checksum-based).
trove_reindex Force re-index ignoring checksums. If no path given, reindexes everything.
trove_remove Remove a file or directory from the index.

Status (5)

Tool Description
trove_status Index statistics: total files, chunks, disk usage, model info.
trove_list List indexed files with metadata (size, type, chunk count).
trove_get_chunks Show the text chunks for a specific indexed file.
trove_log Activity log of indexing runs: start/finish times, file counts, errors. Persisted in SQLite, survives container crashes.
trove_quality Per-file error tracking from indexing runs: which files failed, why, and whether a later index resolved it.

Environment Variables

Variable Default Description
TROVE_DB ~/.local/share/mcp-trove/trove.db SQLite database path
TROVE_PATHS (none) Colon-separated directories to index in background mode
TROVE_INDEX_WORKERS 20 Concurrent embedding workers
TROVE_INDEX_BATCH 50 Files per indexing batch
TROVE_EMBEDDING_MODEL BAAI/bge-small-en-v1.5 fastembed model name
TROVE_EXCLUDE_PATTERNS *.iso,*.zip,... Glob patterns to skip
TROVE_CHUNK_SIZE 1000 Characters per text chunk
TROVE_CHUNK_OVERLAP 200 Overlap between chunks
TROVE_VISION_BACKEND none Vision captioning backend: gemini, openai, openrouter, ollama, or none to disable
TROVE_VISION_MODEL per backend Vision model. Defaults to gemini-2.5-flash, gpt-4o-mini, google/gemini-3.1-flash-lite (openrouter) or llava depending on the backend; empty when disabled
TROVE_VISION_PROMPT (see below) Caption prompt sent with each image
TROVE_VISION_TIMEOUT 120 Seconds allowed per vision API call

Image and video captioning is off until TROVE_VISION_BACKEND is set. The openrouter backend reads OPENROUTER_API_KEY_FILE or OPENROUTER_API_KEY, handles video as well as images, and only routes to zero-retention providers. The default caption prompt is:

Generate a concise caption for this image suitable for search indexing. Include: what you see, location if identifiable, time of day, any readable text or signs.

Background Indexing

Set up a systemd timer to keep your index fresh:

TROVE_PATHS=~/Documents:~/AutoSync mcp-trove-crunchtools --index

License

AGPL-3.0-or-later

Release files for mcp-trove-crunchtools 0.6.0

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