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yaggo-brain

MCP server · GitHub · ★ 2 · graded 2026-10-27Source linked

FOSS local-first brain / control plane for AI-assisted projects: living memory, code & knowledge graphs, hybrid RAG, cost-aware model routing, a permissioned agent catalog, quality/eval loops, a hardened sandbox, shared collective memory, and multi-IDE MCP integration.

No outside reports on file

yaggo-brain is distributed via GitHub (YaggoSEO/yaggo-brain); review its source code, dependencies, and requested permissions before use.

Based on public adoption and transparency signals as of Oct 27, 2026. Our opinion, not a code audit or security guarantee.

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What it can access

  • Local filesNo local folder access notedLOW
  • Command executionNo shell command runner notedLOW
  • Network reachLocal or standard API callsLOW
  • CredentialsNo API token requiredLOW
  • Package sourceGitHub (YaggoSEO/yaggo-brain)PUBLIC

Inferred from this listing’s public package details and description. Check the project’s source before installing.

Install

No npm or PyPI package is listed. Install from source: github.com/YaggoSEO/yaggo-brain ↗

All setup options ↓

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Everything known

We found nothing about this project in the sources we read (last checked 2026-10-30). That does not mean it has no problems.

0 incidents · 0 advisories · 0 news articles · 0 community threads · checked 2026-10-30

Popularity grade: D (from public signals such as stars and downloads, not a code review). Graded 2026-10-27.

Sources we read: OSV, GitHub Advisory Database, CISA Known Exploited Vulnerabilities, 44 security news feeds and our incident library. Last checked 2026-10-30.

Check a specific version →

About Yaggo Brain

Yaggo Brain is an MCP server focused on Developer tools and Memory & knowledge: FOSS local-first brain / control plane for AI-assisted projects: living memory, code & knowledge graphs, hybrid RAG, cost-aware model routing, a permissioned agent catalog, quality/eval loops, a hardened sandbox, shared collective memory, and multi-IDE MCP integration.

It is hosted on GitHub at YaggoSEO/yaggo-brain (2 GitHub stars). Based on its public metadata, it operates with standard local or API scope without broad shell execution flags noted.

Setup

These use the package this listing points to. Check the project’s own instructions before running anything.

No npm or PyPI package is listed for this MCP server. Source code and setup steps: github.com/YaggoSEO/yaggo-brain.

Why this grade

DD — High risk signals

Signal-based grade (1/7 points): public source code. This reflects adoption and transparency, not a code review.

Popularity and upkeep

9/100
GitHub stars
2
Listing last refreshed
2026-10-30

These are public popularity signals, not a maintenance check. Look at the repository’s commit history and open issues.

Risks to watch for

  • Dependency & version pinning: Distributed via GitHub (YaggoSEO/yaggo-brain). Pin an exact release version or commit SHA rather than floating tags so upstream updates are reviewed first.

How to lower the risk

Least-privilege permissions

  • Give it access only to the specific folders, accounts or projects it needs, never your whole drive or admin account.
  • Use a separate, limited API key or login just for this tool so you can switch it off without affecting anything else.

Network isolation

  • Run it on a work computer or sandbox account, not one holding personal or company-sensitive data.
  • If your IT team can, limit which websites and services it is allowed to contact.

Monitoring

  • Check its activity history or logs weekly at first, and look at what it changed or sent.
  • Turn on alerts for new logins or unusual usage on any account it connects to.

Red flags to watch for

  • It asks for more access than its job requires, or prompts you to paste passwords.
  • It suddenly updates with new owners, or starts contacting unfamiliar websites.

Questions

How do I install Yaggo Brain?

Yaggo Brain does not publish a standalone npm or PyPI package. Clone or follow the setup instructions in its source repository at github.com/YaggoSEO/yaggo-brain.

Are there security reports about Yaggo Brain?

No reports found for this package in our research (last checked 2026-10-30). Yaggo Brain currently holds Grade D (High risk signals) based on public adoption and transparency signals. Review the permissions and source repository before granting access to local files, shell commands, or API keys.

Is Yaggo Brain actively maintained?

Yaggo Brain has 2 GitHub stars. Our directory data was last refreshed on 2026-10-30. Check recent commit activity, release tags, and open issues at github.com/YaggoSEO/yaggo-brain before pinning it in production.

What are alternatives to Yaggo Brain?

You can compare Yaggo Brain side by side with other Memory MCP servers in the Related tools section on this page, or use the Compare tool on AgentArmorHQ.

README badge and team notes

Maintain or use Yaggo Brain? Show its live grade in your GitHub README, docs site, or run a check from the terminal before you install.

AgentArmorHQ Risk Grade D for Yaggo Brain

GitHub README Markdown:

markdown
[![AgentArmorHQ Risk Grade for Yaggo Brain](https://agentarmorhq.com/api/badge/yaggoseo-yaggo-brain)](https://agentarmorhq.com/skills/yaggoseo-yaggo-brain)

HTML embed:

html
<a href="https://agentarmorhq.com/skills/yaggoseo-yaggo-brain"><img src="https://agentarmorhq.com/api/badge/yaggoseo-yaggo-brain" alt="AgentArmorHQ Risk Grade for Yaggo Brain" height="20" /></a>

Terminal check:

terminal
curl -fsSL https://agentarmorhq.com/api/cli | node --input-type=module - check "yaggoseo-yaggo-brain"

Share with your security lead

Need sign-off to use yaggo-brain? Copy this note for Slack, a ticket or a pull request.

### AgentArmorHQ Security Review Memo: yaggo-brain
- **Listing URL:** https://agentarmorhq.com/skills/yaggoseo-yaggo-brain
- **Type:** App connector
- **Risk Grade:** Grade D (High risk signals)
- **Outside Security Advisories on File:** 0
- **Public Adoption:** 2 GitHub stars

#### Permission & Blast-Radius Signals
- **Local files:** No local folder access noted
- **Command execution:** No shell command runner noted
- **Network reach:** Local or standard API calls
- **Credentials:** No API token required
- **Package source:** GitHub (YaggoSEO/yaggo-brain)

#### Recommended Hardened Setup
- **Source Repo:** https://github.com/YaggoSEO/yaggo-brain
- **Controls:** Pin an exact version in `.mcp.json`, scope access to a single workspace folder, and use a least-privilege read-only token where supported.

_Based on public adoption and transparency signals as of Oct 27, 2026. Our opinion, not a code audit or security guarantee._

Key facts

Type
App connector
Publisher
YaggoSEO
Source code
github.com/YaggoSEO/yaggo-brain
Est. context load
~900 tokens / turn (~5 tool schemas, 0.45% of 200k context)
Popularity
2 GitHub stars
Last updated
2026-10-30
Last graded
2026-10-27

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