# Heartflow

> HeartFlow (心虫) — AGI Layer 1: rule-based text discrimination gate. Checks sycophancy/contradiction/fallacies/prompt injection/emotional manipulation/45 dimensions. Zero LLM dependency, MCP native. The gate that says NO before AI output reaches users.

## Facts
- Page: https://tashan.sh/capability/pkg-yun520-1-heartflow
- tashan id: pkg:@yun520-1/heartflow
- Source: https://github.com/yun520-1/mark-heartflow-skill
- npm: https://www.npmjs.com/package/@yun520-1/heartflow
- Type: npm
- Category: security
- tashan score: 52.0 / 100
- Adoption: 25.0
- Upkeep: 70.0
- Freshness: 91.0
- Evidence coverage: 100% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- npm downloads: 60/week
- License: MIT
- Official: no

## Install

```sh
claude mcp add yun520-1-heartflow -- npx -y @yun520-1/heartflow
```

## Security audit
- Known advisories: 0
- Install-time script: none declared
- Build provenance: not attested

Permissions are read from DECLARED dependencies only. Nothing is executed, so an empty result means "nothing declared", never "nothing possible".

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Measured 2026-09-12 by tashan (https://tashan.sh) from public evidence. Scorer s5.