# ProofSlip

> ProofSlip, an MCP server by proofslip.ai, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Receipt-based verification for AI agent workflows — create, verify, and poll ephemeral proof objects

- Canonical: https://www.anchorterminal.com/tools/proofslip-mcp-server
- Markdown: https://www.anchorterminal.com/tools/proofslip-mcp-server.md (~450 tokens)
- Slim: https://www.anchorterminal.com/tools/proofslip-mcp-server.min.md (~380 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/tools/proofslip-mcp-server.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-05

# ProofSlip

> Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: MCP server, by proofslip.ai (https://proofslip.ai)
- Category: Workflow automation (https://www.anchorterminal.com/categories/workflow-automation.md)
- Listed because: It's published in the registry under proofslip.ai, a namespace the registry only gives to whoever proves they control that domain.
- What the official MCP registry says: Receipt-based verification for AI agent workflows — create, verify, and poll ephemeral proof objects

## Facts

- MCP registry: `ai.proofslip/mcp-server` 0.2.3
- Package: npm `@proofslip/mcp-server` (stdio)
- Source: https://github.com/Johnny-Z13/proofslip
- Website: https://proofslip.ai
- npm downloads a week: 58
- GitHub stars: 1
- Registry entry updated: 2026-04-05

- JSON: https://www.anchorterminal.com/api/v1/tools/proofslip-mcp-server.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming