agent/CLAUDE.md
Snider d01c71d665 docs: refresh marketplace and mcp docs
Summary:\n- updated README and CLAUDE docs for unified marketplace structure\n- documented shared MCP server tools and ethics kernel\n- added updated repo tree covering claude, codex, google, and mcp
2026-02-05 20:48:31 +00:00

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# CLAUDE.md
This file guides Claude Code when working inside the Host UK core-agent repository.
## Overview
**core-agent** is a unified marketplace hosting Claude and Codex plugin suites plus the Gemini CLI extension. A shared MCP server powers marketplace discovery and ethics checks across tools.
## Marketplace
Install everything via the unified marketplace:
```bash
claude plugin add host-uk/core-agent
```
Install a specific Claude plugin:
```bash
claude plugin add host-uk/core-agent/claude/code
```
The marketplace manifest lives at `core-agent/.claude-plugin/marketplace.json`.
## Shared MCP Server
The vendor-neutral MCP server is registered in `core-agent/.mcp.json` and runs via stdio:
```bash
go run ./mcp/
```
Tools exposed:
- `marketplace_list` — returns the full marketplace registry as structured data
- `marketplace_plugin_info` — returns plugin metadata, commands, and skills by name
- `core_cli` — runs approved `core` CLI commands (`dev`, `go`, `php`, `build` only)
- `ethics_check` — returns the ethics modal and axioms kernel
## Ethics Kernel
The Axioms of Life ethics kernel is first-class and lives at:
- `core-agent/codex/ethics/MODAL.md`
- `core-agent/codex/ethics/kernel/axioms.json`
## Repository Structure
```
core-agent/
├── .claude-plugin/ # Unified marketplace manifest
├── .mcp.json # MCP server registry
├── claude/ # Claude plugin suite
├── codex/ # Codex plugin suite + ethics kernel
├── google/ # Gemini CLI extension
├── mcp/ # Shared MCP stdio server
├── CLAUDE.md
└── README.md
```
## Plugin Suites
Claude plugins:
- `claude/api`
- `claude/ci`
- `claude/code`
- `claude/collect`
- `claude/coolify`
- `claude/core`
- `claude/issue`
- `claude/perf`
- `claude/qa`
- `claude/review`
- `claude/verify`
Codex plugins:
- `codex/awareness`
- `codex/ethics`
- `codex/guardrails`
- `codex/api`
- `codex/ci`
- `codex/code`
- `codex/collect`
- `codex/coolify`
- `codex/core`
- `codex/issue`
- `codex/perf`
- `codex/qa`
- `codex/review`
- `codex/verify`
Gemini extension:
- `google/gemini-cli`
## Core CLI Philosophy
Always use `core` CLI instead of raw commands. The `core` binary handles the full E2E development lifecycle for Go and PHP ecosystems.
### Command Mappings
| Instead of... | Use... |
|---------------|--------|
| `go test` | `core go test` |
| `go build` | `core build` |
| `go fmt` | `core go fmt` |
| `golangci-lint` | `core go lint` |
| `composer test` | `core php test` |
| `./vendor/bin/pint` | `core php fmt` |
| `./vendor/bin/phpstan` | `core php stan` |
## Development
Adding a new Claude plugin:
1. Create `claude/<name>/.claude-plugin/plugin.json`
2. Add commands to `claude/<name>/commands/`
3. Register in `.claude-plugin/marketplace.json`
Adding a new Codex plugin:
1. Create `codex/<name>/.codex-plugin/plugin.json`
2. Add commands to `codex/<name>/commands/`
3. Register in `.claude-plugin/marketplace.json`
## Coding Standards
- UK English: colour, organisation, centre
- Shell scripts: use `#!/bin/bash`, read JSON with `jq`
- Hook output: JSON with `decision` (approve/block) and optional `message`
- License: EUPL-1.2 CIC