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byoh

v0.1.0

BuildYourOwnHarness — profile → compile → install → evolve a personalized AI agent harness. Synthesis recombines vetted skills/agents by keyword under 3 safety gates.

CodexClaude Code1 Skill1 MCP serverstdio

By epicsagasLicense: Apache-2.01 GitHub starsUpdated 3 hours ago

Directory evidence

Runtimes
Codex and Claude Code
Parsed components
2 skill or MCP entries
Source updated
Sep 3, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install byoh for Codex and Claude Code

Installs for the current user
codex plugin marketplace add IchenDEV/agent-plugin-mkt
codex plugin marketplace upgrade agent-plugin-marketplace
codex plugin add byoh@agent-plugin-marketplace

Paste and run these commands in a terminal with Codex. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/epicsagas/BuildYourOwnHarness

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The repository root is the plugin root.

Plugin files

byoh/
├── .codex-plugin/plugin.json
├── .claude-plugin/plugin.json
├── skills/build-harness/SKILL.md
└── .mcp.json

Included Skills1

build-harnessskills/build-harness/SKILL.md

Trigger when the user asks to build, create, generate, or customize their own AI agent harness ("make my harness", "build my harness"). Routes the conversation to the BYOH MCP tools and drives the full profile → build → install flow. The conversation IS the interview/wizard.

MCP servers1

byohstdio
command
byoh
args
serve

Plugin manifests2

.codex-plugin/plugin.json
{
  "name": "byoh",
  "version": "0.1.0",
  "description": "BuildYourOwnHarness — profile → compile → install → evolve a personalized AI agent harness. Synthesis recombines vetted skills/agents by keyword under 3 safety gates.",
  "author": {
    "name": "epicsagas",
    "url": "https://github.com/epicsagas"
  },
  "homepage": "https://github.com/epicsagas/BuildYourOwnHarness",
  "repository": "https://github.com/epicsagas/BuildYourOwnHarness",
  "license": "Apache-2.0",
  "keywords": [
    "harness",
    "byoh",
    "synthesis",
    "skills",
    "agents",
    "compile",
    "evolve"
  ],
  "skills": "./skills/",
  "mcpServers": "./mcp_config.json",
  "interface": {
    "displayName": "BuildYourOwnHarness",
    "shortDescription": "Personalized AI agent harness builder.",
    "longDescription": "BYOH generates a unique AI agent harness from a user profile — synthesis recombines vetted skills/agents by keyword tags, enforces 3 safety gates (Critic/Seesaw/Stagnation), and runs compile → render → install → evolve. Community skills can be vendored (offline, sha256-manifest, Ring 3 isolation).",
    "developerName": "epicsagas",
    "category": "Harness",
    "capabilities": [
      "Read",
      "Write",
      "Bash"
    ],
    "websiteURL": "https://github.com/epicsagas/BuildYourOwnHarness"
  }
}
.claude-plugin/plugin.json
{
  "$schema": "https://json.schemastore.org/claude-code-plugin-manifest.json",
  "name": "byoh",
  "version": "0.1.0",
  "description": "BuildYourOwnHarness — profile, compile, and evolve a personalized AI agent harness via MCP tools. An LLM agent drives the flow (profile → compile → render/install → evolve); the CLI is auxiliary.",
  "author": {
    "name": "epicsagas",
    "url": "https://github.com/epicsagas"
  },
  "homepage": "https://github.com/epicsagas/BuildYourOwnHarness",
  "repository": "https://github.com/epicsagas/BuildYourOwnHarness",
  "license": "Apache-2.0",
  "keywords": [
    "ai",
    "agent-harness",
    "mcp",
    "profiling",
    "harness-compiler"
  ],
  "skills": "./skills/",
  "agents": [
    "./agents/byoh-guide.md"
  ],
  "mcpServers": "./mcp_config.json"
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[byoh on Agent Plugins Marketplace](https://pluginsmp.com/plugins/byoh)