How do I connect Hippocampus MCP Server to Claude?

The listing records `claude mcp add hippocampus --transport http http://localhost:3000/mcp` as its setup step. Run it, then follow the repository's instructions for the client configuration; the listing names Claude Desktop, Claude Code, Cursor as compatible clients.

Is Hippocampus MCP Server free?

The listed licence is AGPL-3.0. 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 Hippocampus MCP Server do?

Hippocampus MCP Server documents 11 tools to the agent, including check_version, consolidate, context. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

Hippocampus

Unclaimed

by karrolcia

Open-source MCP memory server. Universal AI memory across all platforms.

Install

$claude mcp add hippocampus --transport http http://localhost:3000/mcp

Set up this 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

aichatgptclaudeencryptiongeminiknowledge-graphmcpmcp-servermemoryself-hosted

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Security profile

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11 of 11 tools

Documented tools (11)

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

check_version

"Did anything change?" — pass an entity name + cached hash, get back yes/no. No embedding computation, pure metadata.

consolidate

Find clusters of similar/duplicate memories, detect near-duplicate entities, surface contradictions, or run sleep mode for batch lifecycle analysis (compress/prune/refresh)

context

Get everything about a topic — observations, relationships, related entities. Includes versionhash.

export

Export as CLAUDE.md context file, readable markdown, JSON, wire format, or Obsidian vault

forget

Permanently delete a memory or entity (secure deletion)

merge

Merge multiple observations into one (atomic consolidation). Returns versionhash.

merge_entities

Merge multiple entities into one — moves all data, deletes sources. Returns versionhash.

onboard

Bootstrap memory from a new AI session. Returns structured extraction instructions the AI follows to capture user context.

recall

Search memories by semantic similarity + keyword match. Filter by type, kind, since. Use spread: true to follow relationships and discover connected memories. Includes versionhash per entity in all formats.

remember

Store a fact, preference, or piece of context. Optional kind classification (fact, decision, question, preference, or custom) and importance weighting. Reports overlapping observations so the AI can consolidate incrementally. Returns versionhash for cache invalidation.

update

Replace an existing observation with new content. Returns versionhash.

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 Hippocampus MCP Server

How do I connect Hippocampus MCP Server to Claude?: The listing records `claude mcp add hippocampus --transport http http://localhost:3000/mcp` as its setup step. Run it, then follow the repository's instructions for the client configuration; the listing names Claude Desktop, Claude Code, Cursor as compatible clients.
Is Hippocampus MCP Server free?: The listed licence is AGPL-3.0. 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 Hippocampus MCP Server do?: Hippocampus MCP Server documents 11 tools to the agent, including check_version, consolidate, context. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.