Knowledge & Memory

MCPNav listings

Showing 277–288 of 377 attributed MCPNav entries in the 2026-10-09 snapshot. This is a licensed subset of the category’s 964 deduplicated directory records.

Source coverage: MCP.so 626 · MCPNav 377. Catalog counts can overlap; the listing cards below contain only MCPNav records.

OO

open-ontologies

Directory record

Ontology engineering for OWL, RDF and SPARQL: validate, query, diff, lint, version and govern knowledge graphs on an Oxigraph triple store.

Knowledge & MemoryMCPNav
OA

OpenClaw Agent Instruction Registry

active

io.github.izworskic/openclaw-registry

MCP provider published as OpenClaw Agent Instruction Registry. Listed version: 1.0.1.

Directory description: Search and retrieve agent instruction files: system prompts, skills, workflows, and safety filters.

Registry data grade FFFCohort score 25/100Raw points 60/100Version 1.0.1MCPKnowledge & MemoryMCPNav
Rating detail · five criteria
  • registry freshness and status · 15 points
  • registry identity · 25 points
  • registry metadata · 0 points
  • runtime definition · 5 points
  • structure and url validation · 15 points
RepositoryRegistry source
OM

openhive-mcp

Directory record

Search and contribute to a shared knowledge base of AI-discovered problem-solution pairs.

Knowledge & MemoryMCPNav
O

OpenReflex

active

io.github.vishnu-77/openreflex

MCP provider published as OpenReflex. Listed version: 0.9.10.

Directory description: Optional diagnostics MCP server for OpenReflex's ambient project muscle memory.

Registry data grade FFFCohort score 12/100Raw points 60/100Version 0.9.10MCPKnowledge & MemoryMCPNav
Rating detail · five criteria
  • registry freshness and status · 15 points
  • registry identity · 25 points
  • registry metadata · 0 points
  • runtime definition · 5 points
  • structure and url validation · 15 points
RepositoryRegistry source
OM

openzim-mcp

Directory record

Offline MCP access to ZIM knowledge archives — Wikipedia, Wiktionary, Stack Exchange, Kiwix.

Knowledge & MemoryMCPNav
OM

Ori-Mnemos

Directory record

Persistent memory infrastructure for AI agents. Identity, knowledge graph, and search.

Knowledge & MemoryMCPNav
OM

ossian-mcp

Directory record

Ask your own documents with citations, plus durable memory for agents. Safe by default.

Knowledge & MemoryMCPNav
OM

owl-mcp

Directory record

Work with OWL/TTL/RDF ontologies: SPARQL queries, HermiT/Pellet reasoning and CRUD operations on knowledge graphs.

Knowledge & MemoryMCPNav
P

papez

Directory record

Open-source causal memory for AI agents: persistent, explainable, MCP-native memory (13 tools).

Knowledge & MemoryMCPNav
P

passbaton

Directory record

Local session continuity across Claude Code, Codex CLI and Gemini CLI: context injection on start, compaction handover, memory, tasks and multilingual search.

Knowledge & MemoryMCPNav
PM

Penfield Memory

active

io.github.penfieldlabs/penfield-mcp

MCP provider published as Penfield Memory. Listed version: 1.22.0.

Directory description: Persistent memory and knowledge graphs for AI agents. Hybrid search, context checkpoints, and more.

Registry data grade ACohort score 90/100Raw points 80/100Version 1.22.0MCPKnowledge & MemoryMCPNav
Rating detail · five criteria
  • registry freshness and status · 15 points
  • registry identity · 25 points
  • registry metadata · 0 points
  • runtime definition · 20 points
  • structure and url validation · 20 points
RepositoryRegistry sourceDeclared endpoint · streamable-http
PC

people-context

Directory record

Local-first MCP server giving AI agents contextual knowledge about the people in your life

Knowledge & MemoryMCPNav

Source: MCPNav public API · License and upstream attribution. MCPNav-added fields are CC BY 4.0; upstream source fields retain their listed licenses.

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