# Proofslip

> Receipt-based verification for AI agent workflows — create, verify, and poll ephemeral proof objects

## Facts
- Page: https://tashan.sh/capability/pkg-proofslip-mcp-server
- tashan id: pkg:@proofslip/mcp-server
- Source: https://github.com/Johnny-Z13/proofslip
- npm: https://www.npmjs.com/package/@proofslip/mcp-server
- Type: npm
- Category: security
- tashan score: 48.0 / 100
- Adoption: 30.0
- Upkeep: 55.0
- Freshness: 82.0
- Evidence coverage: 100% of the inputs this score can use
- Health: active
- Instruction depth: solid
- GitHub stars: 1
- npm downloads: 143/week
- License: MIT
- Official: no

## Install

```sh
claude mcp add proofslip-mcp-server -- npx -y @proofslip/mcp-server
```

## 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 2026-09-13 by tashan (https://tashan.sh) from public evidence. Scorer s5.