How do I connect Memorycrystal MCP Server to Claude?

The project does not publish a launch command that MCPVault could verify. Open the repository linked on this page for its install steps; the listing names Claude Desktop, Claude Code, Cursor as compatible clients.

Is Memorycrystal MCP Server free?

The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can Memorycrystal MCP Server do?

Memorycrystal MCP Server documents 26 tools to the agent, including crystal_checkpoint, crystal_dependency_chain, crystal_edit. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

Memorycrystal

Unclaimed

by memorycrystal

Persistent memory for AI agents — OpenClaw plugin + MCP server

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This server needs project-specific setup. Follow the project instructions; no reusable public launch command is available yet.

Project instructions

agent-memoryai-agentsclaudeconvexllmmcpmcp-servermemorynextjsopenai

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26 of 26 tools

Documented tools (26)

From project documentation. A server handshake does not verify each tool’s description or behavior.

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_preflight

Pre-flight check before risky actions

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

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about Memorycrystal MCP Server

How do I connect Memorycrystal MCP Server to Claude?: The project does not publish a launch command that MCPVault could verify. Open the repository linked on this page for its install steps; the listing names Claude Desktop, Claude Code, Cursor as compatible clients.
Is Memorycrystal MCP Server free?: The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can Memorycrystal MCP Server do?: Memorycrystal MCP Server documents 26 tools to the agent, including crystal_checkpoint, crystal_dependency_chain, crystal_edit. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.