"Connecting OpenAI Codex with antigravity concepts or technology" matching MCP servers:

• 

  Perseus Vault Codexofficial

  Perseus-Computing-LLC

  A

  license

  A

  quality

  B

  maintenance

  A tiny MCP server that wraps Perseus Vault to provide persistent, encrypted, local-first memory for OpenAI Codex agents, enabling them to remember project conventions, decisions, and context across sessions.

  Last updated 2026-07-24

  5

  MIT

• EverOS Codex

  gix9303

  A

  license

  A

  quality

  A

  maintenance

  Enables Codex to use a local EverOS instance as long-term memory through MCP. Supports memory operations like search, get, save, and flush with automatic project ID inference.

  Last updated 2026-07-05

  4

  160

  Apache 2.0

• Codex Memory

  zhangtian-123

  A

  license

  B

  quality

  C

  maintenance

  Local Markdown-backed memory tools for Codex and other MCP-capable agents. Exposes durable agent knowledge via CLI and MCP server.

  Last updated 2026-06-12

  5

  MIT

• purupuru-codex

  project-purupuru

  F

  license

  -

  quality

  C

  maintenance

  Enables querying the Purupuru universe codex programmatically, including characters, locations, Jani variants, and Wuxing elements, with anti-hallucination validation and fuzzy search.

  Last updated 2026-05-29

• Antigravity PDF MCP Server

  asoluka

  F

  license

  -

  quality

  D

  maintenance

  Enables intelligent ingestion and querying of PDF, Markdown, and text files using hybrid search that combines keyword matching and semantic embeddings with citations.

  Last updated 2025-12-04

  2

• Codex Native Memory

  BulbuLbul86

  A

  license

  B

  quality

  A

  maintenance

  Provides local cross-session memory for Codex by importing transcripts, indexing in SQLite, and exposing search, context, and memory management through MCP tools.

  Last updated 2026-06-29

  13

  MIT

• codex-agent-mem

  MarceloCaporale

  A

  license

  B

  quality

  B

  maintenance

  Portable, auditable, local-first MCP memory for MCP-compatible AI agents and coding workflows. It keeps durable project memory outside the model runtime, compresses continuity into smaller working packs, and carries forward operational state so agents can resume with less repetition.

  Last updated 2026-05-07

  28

  32

  Apache 2.0

• Codex History Hub

  smallpinksquare

  A

  license

  -

  quality

  C

  maintenance

  Local-first, read-only Codex session aggregator that indexes multiple CODEX_HOME directories into a SQLite database and provides MCP tools for cross-project, archival, and sub-agent history queries.

  Last updated 2026-07-14

  3

  MIT

• Codex Dev MCP Suite

  verrysimatupang99

  A

  license

  -

  quality

  A

  maintenance

  A set of four local MCP servers that help solo developers maintain context across sessions by providing searchable memory, session journals, file checkpoints, and project overviews. All servers run locally with minimal dependencies and work with any MCP-capable client.

  Last updated 2026-07-22

  215

  3

  MIT

• Codex Project Memory

  takaok5

  A

  license

  -

  quality

  B

  maintenance

  Local repository memory for Codex that indexes TypeScript/JavaScript structure into local SQLite, exposes compact MCP tools, and renders deterministic SVG/map frames.

  Last updated 2026-06-16

  MIT

• codex-memory-mcp

  liangjie78

  F

  license

  -

  quality

  C

  maintenance

  Local-first, durable knowledge-card RAG for Codex, enabling search, retrieval, and maintenance of reusable experience cards.

  Last updated 2026-07-11

• Personal Context Technology

  mikhashev

  A

  license

  D

  quality

  D

  maintenance

  Enables AI assistants to access and update personalized context data, creating persistent memory between sessions.

  Last updated 2025-04-12

  1

  4

  MIT

• mcp-with-ssh

  aakarsh-sasi

  A

  license

  C

  quality

  D

  maintenance

  Memory bank with Server as SSH support for central knowledge base

  Last updated 2025-06-25

  15

  31

  36

  MIT

• Codex Memory MCP Server

  Alooswr

  A

  license

  -

  quality

  C

  maintenance

  Local stdio MCP server for long-term engineering memory, enabling Codex to store, search, and manage project facts, progress, interfaces, and troubleshooting cases.

  Last updated 2026-06-29

  1

  Apache 2.0

• MCP Server with LLM

  MelaLitho

  A

  license

  -

  quality

  D

  maintenance

  Enables chat with multiple LLM providers (OpenAI and Anthropic) while maintaining persistent conversation memory. Provides extensible tool framework for various operations including echo functionality and conversation storage/retrieval.

  Last updated 2025-10-06

  MIT

• alive-analysis-mcp

  with-geun

  A

  license

  -

  quality

  B

  maintenance

  MCP server for alive-analysis. Query, search, and retrieve structured analysis history written with the ALIVE loop (Ask→Look→Investigate→Voice→Evolve), plus dashboard JSON export.

  Last updated 2026-05-27

  42

  MIT

• LBrain MCP Server

  codex-curator

  A

  license

  -

  quality

  C

  maintenance

  Enables AI agents to perform hybrid semantic+keyword search over structured markdown lairs and memory files, with tools for protocol checks and anti-pattern detection.

  Last updated 2026-06-15

  BSD 3-Clause

• MCP Memory Server with Qdrant

  delorenj

  A

  license

  -

  quality

  D

  maintenance

  Facilitates knowledge graph representation with semantic search using Qdrant, supporting OpenAI embeddings for semantic similarity and robust HTTPS integration with file-based graph persistence.

  Last updated 2025-03-02

  10

  24

  MIT

• Knowledge Graph Memory Server

  T1nker-1220

  A

  license

  B

  quality

  F

  maintenance

  Enhances user interaction through a persistent memory system that remembers information across chats and learns from past errors by utilizing a local knowledge graph and lesson management.

  Last updated 2025-02-27

  13

  79,449

  52

  MIT
• 

  local-rt-mcp-serverofficial

  The-Relational-Technology-Project

  A

  license

  -

  quality

  D

  maintenance

  An MCP server that provides AI tools with relational tech principles, patterns, and the Studio library to guide builders in creating community-centered tools using embedded design.

  Last updated 2026-03-25

  MIT