Knowledge & Memory

MCPNav listings

Showing 289–300 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.

P

Perenna

active

io.github.scarletkc/perenna

MCP provider published as Perenna. Listed version: 0.4.1.

Directory description: A lightweight, Git-backed permanent memory for AI agents.

Registry data grade FFFCohort score 20/100Raw points 60/100Version 0.4.1MCPKnowledge & 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
PU

personal-understanding

Directory record

Verbatim-first personal memory: hashed word-for-word messages, records linked to their source quotes, anti-fabrication validators and an audit dashboard.

Knowledge & MemoryMCPNav
PE

Piia Engram

active

io.github.Patdolitse/piia-engram

MCP provider published as Piia Engram. Listed version: 4.22.0.

Directory description: Local-first AI identity for MCP coding tools. Lessons, decisions, and context you control.

Registry data grade FFFCohort score 7/100Raw points 60/100Version 4.22.0MCPKnowledge & 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
P

PIL

Directory record

PIL: local-first knowledge base for your Instagram saved posts, with a read-only MCP server.

Knowledge & MemoryMCPNav
P

PinRAG

active

io.github.ndjordjevic/pinrag

MCP provider published as PinRAG. Listed version: 0.9.27.

Directory description: MCP RAG: index PDFs, repos, YouTube, Discord, text; optional YouTube vision; query with citations.

Registry data grade FFFCohort score 3/100Raw points 60/100Version 0.9.27MCPKnowledge & 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
P

PipesHub

active

io.github.pipeshub-ai/mcp

MCP provider published as PipesHub. Listed version: 2.4.2.

Directory description: Permissioned search and cited answers over Slack, Drive, Gmail, Jira, and 50+ workplace sources.

Registry data grade BCohort score 87/100Raw points 80/100Version 2.4.2MCPKnowledge & 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
P

plur

Directory record

Open, local-first engram memory for AI agents: read, correct, delete; shared over MCP.

Knowledge & MemoryMCPNav
P

pond

active

io.github.tenequm/pond

MCP provider published as pond. Listed version: 0.14.5.

Directory description: Lossless archive and search for AI agent sessions across clients, exposed to agents over MCP.

Registry data grade FFFCohort score 26/100Raw points 60/100Version 0.14.5MCPKnowledge & 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
PG

pr-genius

Directory record

Pull request contribution advisor based on case studies from real repos: merge probability analysis, pattern matching and contribution strategy.

Knowledge & MemoryMCPNav
PM

prior_mcp

Directory record

Shared knowledge base for AI agents. Search and contribute solutions to technical problems.

Knowledge & MemoryMCPNav
PC

prism-coder

Directory record

Session memory for coding agents: local-first recall, drift detection, on-device inference.

Knowledge & MemoryMCPNav
PM

project-memory-mcp

Directory record

Persistent memory for AI coding agents — past bugs, decisions, and your corrections, in your repo.

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.

How to interpret this page: The overall category total combines third-party directory labels. The paginated cards show only the MCPNav subset, not every source record. Neither category membership nor these directory entries are Official MCP Registry categories, Trust Live evidence, Trust grades, safety verification, or endorsements.

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