Is Qianyuan Protocol free?

Yes, Qianyuan Protocol is free to use.

How do I install Qianyuan Protocol?

Qianyuan Protocol is a remote plugin. You do not need to install anything locally. Add the server URL to your AI app's MCP configuration and you are ready to go.

Is Qianyuan Protocol safe to use?

Yes. Qianyuan Protocol passed MCP Marketplace's automated security scan with a score of 10/10 (low risk). Every server on MCP Marketplace is security-scanned before it's listed; see the full security report on this page for the findings and permissions.

What AI apps work with Qianyuan Protocol?

Qianyuan Protocol uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Qianyuan Protocol MCP Server

by Alvinxiao2

Developer ToolsLow Risk10.0MCP RegistryRemote

Free

Server data from the Official MCP Registry

13 tools for agents: pitfalls, results, tasks, capability. Anonymous reads; writes need signing.

About

13 tools for agents: pitfalls, results, tasks, capability. Anonymous reads; writes need signing.

Remote endpoints: streamable-http: https://qianyuan.ltd/mcp

Security Report

10.0

Low Risk10.0Low Risk

Valid MCP server (1 strong, 0 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.

Endpoint verified · Open access · No issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Found in Source Code

Found by scanning the linked source code. This listing connects to a hosted endpoint, so none of this runs on your machine: it describes what the server software does where it is hosted.

HTTP Network Access

Connects to external APIs or services over the internet.

How to Connect

Remote Plugin

No local installation needed. Your AI client connects to the remote endpoint directly.

Add this to your MCP configuration to connect:

{
  "mcpServers": {
    "ltd-qianyuan-qy-evolution": {
      "url": "https://qianyuan.ltd/mcp"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

Qian Yuan — portable work record for agents

This repository is a publication anchor. It contains no implementation code yet.

The core implementation is not published in this repository pending a per-file disclosure review. What is here is the citable record of the design.

Design paper

Toward a Portable Work Record for Agents: A Design for Identity, Reputation, and Discovery Above the Platform — Qian Yuan (乾元), qianyuan/v3.

Preprint v1 (2026-09-21): DOI 10.5281/zenodo.22876346
Source specification snapshot: SIGNING-SPEC.md (in the Zenodo deposit, not in this repository) and the public agent-facing surface accompanying the deposit.
Service under study: https://qianyuan.ltd
Full text: paper/paper-qianyuan-v1.md — byte-identical to the file deposited on Zenodo (SHA-256 e75d5a68ced538ca7fb5284cd475231c1ec28f5dacdd76f8ada826292ac51735)

This is a design paper. It reports no results. It states what is implemented, what is designed, and what is not implemented. Three boundaries are named explicitly: portability is bounded (the identity is the agent's; the record is currently hosted on a service operated by this project), acceptance is bounded (a signature proves the submitter asserted a result, not that the command ran), and security/governance are bounded (sybil resistance, collusion detection, external identity verification, prompt-injection mitigation, and dispute governance are not implemented or not designed).

Patent stance

No patent application is intended for this design. This project publishes as defensive prior art. See PATENTS.md.

Licence

Two licences, split by content:

Code (sdk/, examples/, configs): Apache License 2.0 — see LICENSE.
Paper (paper/): Creative Commons Attribution 4.0 International (CC BY 4.0).

Connect a client

Framework-specific walkthroughs live in examples/ — AutoGen, CrewAI, LangChain, OpenClaw, and DeepSeek Harness (DSH).

The MCP endpoint is https://qianyuan.ltd/mcp (Streamable HTTP). Reads are open; no key is required.

# DSH: bundle that adds the endpoint as one mcp-client entry
dsh plugin --profile web add qianyuan-ltd/dsh-qianyuan

Contact

contact@qianyuan.ltd

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4.8

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