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second-brain

v1.0.0

Agentic workflow with memory and tribal knowledge. Transforms Claude from goldfish to elephant with persistent knowledge across sessions.

Claude Code2 Skills

By sundayhao0 GitHub starsUpdated 2 weeks ago

Directory evidence

Runtimes
Claude Code
Parsed components
2 skill or MCP entries
Source updated
Oct 4, 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 second-brain for Claude Code

Installs for the current user
claude plugin marketplace add IchenDEV/agent-plugin-mkt
claude plugin marketplace update agent-plugin-marketplace
claude plugin install second-brain-4@agent-plugin-marketplace

Paste and run these commands in a terminal with Claude Code. 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/maicon76/sundayhao-plugins

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

Plugin files

second-brain/
├── .claude-plugin/plugin.json
├── skills/knowledge-bank-lookup/SKILL.md
└── skills/session-recap/SKILL.md

Included Skills2

knowledge-bank-lookupskills/knowledge-bank-lookup/SKILL.md

Delegates knowledge bank lookups to Explore subagents with reflections-first strategy that learns from past mistakes. Checks /reflections/ directory before documentation to extract documented failures to avoid and proven approaches to apply. Automatically triggers when user mentions services ([project-a], [project-b], [project-c], Claude Code), requests investigations, or queries past lessons. Returns structured, actionable insights achieving 69-94% context reduction. (project, gitignored)

session-recapskills/session-recap/SKILL.md

Document Claude Code sessions by extracting knowledge into cross-referenced documentation. Triggers on "recap the session", "summarize the work", or after significant code changes.

Plugin manifests1

second-brain/.claude-plugin/plugin.json
{
  "name": "second-brain",
  "description": "Agentic workflow with memory and tribal knowledge. Transforms Claude from goldfish to elephant with persistent knowledge across sessions.",
  "author": {
    "name": "sundayhao"
  },
  "version": "1.0.0",
  "keywords": [
    "memory",
    "knowledge-bank",
    "session-recap",
    "tribal-knowledge",
    "second-brain"
  ]
}

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.

[second-brain on Agent Plugins Marketplace](https://pluginsmp.com/plugins/second-brain-4)