# Second Brain

> Use this tool when you need to integrate AI with your personal knowledge base, solving problems of information retrieval and organization. It connects your Obsidian-style vault with AI capabilities, accepting queries and notes as inputs and generating filtered knowledge and new insights as outputs. Ideal for use cases requiring automated knowledge management and version control, such as research, note-taking, and idea generation.

Canonical page: https://skillsregistry.net/skills/second-brain-mcp  
JSON: https://api.skillsregistry.net/v1/skills/second-brain-mcp

## Description

Connects an Obsidian-style knowledge vault with AI through three tools: querying knowledge with domain filtering, fetching recently modified notes, and capturing new insights back to the vault. Supports optional git sync for version control of knowledge entries.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** version-control
- **Updated:** 2026-04-25

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/second-brain-mcp)
- **Repository:** <https://github.com/nishi1004/second-brain-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "second-brain-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/second-brain-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/second-brain-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt