MCPVault

crystal_preflight

MCP tool from Memorycrystal by memorycrystal

Pre-flight check before risky actions

How to use it

crystal_preflight is exposed by the Memorycrystal MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the crystal_preflight tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.

FULL MEMORYCRYSTAL LISTING

Other tools in Memorycrystal (25)

crystal_checkpoint

Snapshot memory state at a milestone

crystal_dependency_chain

Trace dependency chains between entities

crystal_edit

Update an existing memory

crystal_empty_knowledge_base

Delete all chunks but keep the KB row/id/bindings

crystal_explain_connection

Explain relationships between concepts

crystal_forget

Archive or delete a memory

crystal_idea_action

Act on Organic ideas

crystal_ideas

List active Organic ideas and discoveries

crystal_import_knowledge

Import reference chunks into a KB (upsert-by-dedupeKey replaces in place)

crystal_list_knowledge_base_memories

Enumerate a KB's chunks with cursor pagination + ids

crystal_list_knowledge_bases

List available knowledge bases

crystal_query_knowledge_base

Search a knowledge base

crystal_recall

Semantic search across all long-term memory

crystal_recent

Recent messages for short-term context

crystal_remember

Store a memory — decisions, facts, lessons

crystal_search_messages

Hybrid search over verbatim conversation history, with time-window (fromMs/toMs or ISO dates) and pagination

crystal_set_scope

Override channel scope for the session

crystal_stats

Memory and usage statistics

crystal_trace

Trace a memory back to its source conversation

crystal_wake

Session startup — briefing and guardrails

crystal_what_do_i_know

Everything known about a topic

crystal_who_owns

Find ownership of a file, module, or area

crystal_why_did_we

Decision archaeology — why a past choice was made

memory_get

Read a full memory by ID or path

memory_search

Search LTM and return crystal paths