A catalog of ChatGPT & Codex plugins, sorted by people.
ejentum-mcp by ejentum: MCP server exposing reasoning, code, anti-deception, and memory harness tools for Codex. Here are 8 plugins in our catalog that describe a similar job, with the numbers you'd check before switching.
| Plugin | Stars | License | Last push | Packaged as |
|---|---|---|---|---|
| Claude Code Harness Harness blueprint skill for turning vague agent ideas into concrete designs for request assembly, control loops, memory, permissions, recovery, and extension planes. | ★ 13 | MIT | 2026-04-05 | skills |
| DeepSeek Mini-Router Task-aware spec/react/flash working-contract plugin that fixes DeepSeek weak default reasoning inside Codex, with a measured BigCodeBench harness included. | ★ 2 | MIT | 2026-11-08 | plugin |
| Epic Harness Auto-trigger quality skills + self-evolving agent harness — orbit (spec-to-ship), evolve (skill mutation), team (multi-agent), TDD, check, ship, simplify, debug, perf, secure. | ★ 20 | Apache-2.0 | 2026-11-12 | plugin, skills |
| TMCRA Local Memory Owner-local memory for Codex that recalls user and project evidence before each answer and carries source-attributed project context across sessions and supported agent tools. | ★ 1 | Apache-2.0 | 2026-11-01 | plugin |
| Aptly Local MCP server and hook that recommends the right model and reasoning effort for Codex and Claude Code subagents, powered by the OpenAI Decisions API. | ★ 5 | MIT | 2026-11-15 | MCP server |
| Mnemoverse Memory Hosted AI agent memory that learns from outcomes, over remote MCP with OAuth sign-in: tell it a recalled memory helped or misled and it re-ranks what comes back next, with shared rooms for multi-agent work. | ★ 0 | MIT | 2026-11-14 | MCP server, plugin |
| ModelPlan Recommends which AI coding model, reasoning effort and plan to use, from live public data, inside Codex, Claude Code and the terminal via plugins, a skill and a CLI. | ★ 41 | MIT | 2026-11-15 | skills |
| Tree Ring Memory Local-first memory lifecycle guidance for Codex agents with recall, evidence-backed lessons, privacy-safe memory capture, audit, consolidation, and explicit forgetting. | ★ 0 | MIT | 2026-11-11 | plugin |
Picked by overlap between each project's own description and ejentum-mcp's, same category first. Ordered by that overlap, not by stars or payment.
ejentum-mcp vs Claude Code Harness
More: Memory & Context plugins · best Memory & Context plugins, ranked · all comparisons
Data from GitHub and each project's README, checked 2026-11-15. We haven't installed or audited these, and stars measure attention, not quality. Paid placements never change this page. Spot a mistake? hello@pickaplugin.com
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