Marchward

Name: Marchward
Author: marchward

@marchward

关于 Marchward

Marchward is an Apache-2.0 open-source runtime authority for AI agents. It routes an agent's tool calls through one control point: credential mediation (the agent holds a single Marchward key and never your real downstream credentials), an inference spend cap enforced before the

#ai-agents #agent-governance #runtime-authority #credential-mediation #mcp #security #audit-log #cost-control #approval-gates #langgraph

基本信息

分类

AI 与智能体

传输方式

stdio

发布者

marchward

提交者

Team Marchward

配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "marchward": {
      "command": "npx",
      "args": [
        "-y",
        "@marchward/mcp-server"
      ],
      "env": {
        "MARCHWARD_API_URL": "https://api.marchward.ai",
        "MARCHWARD_API_KEY": "mw_your_key_here"
      }
    }
  }
}

工具

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概览

What is Marchward?

Marchward is an Apache-2.0 open-source runtime authority for AI agents. It routes an agent's tool calls through a single control point, providing credential mediation, inference spend capping, human-in-the-loop approval gates, and a tamper-evident hash-chained audit log. It is available as npm packages (@marchward/*), a PyPI package (marchward), and an official MCP registry server (ai.marchward/mcp-server), with a runnable governed-LangGraph example.

How to use Marchward?

Install the Marchward package from npm, PyPI, or use the official MCP registry server. A runnable governed-LangGraph example is provided in the repository to get started.

Key features of Marchward

Credential mediation: agent uses a single Marchward key, never real downstream credentials
Inference spend cap enforced before calls reach the provider
Human-in-the-loop approval gates for irreversible actions
Tamper-evident hash-chained audit log for all tool calls
Open-source under Apache-2.0 license

Use cases of Marchward

Control tool calls made by autonomous AI agents
Prevent leakage of sensitive downstream API credentials
Enforce budget limits on agent inference costs
Require human approval before destructive or irreversible actions
Maintain a verifiable audit trail of all agent tool invocations

FAQ from Marchward

How does Marchward mediate credentials?

The agent holds a single Marchward key and never the user’s real downstream credentials. Marchward routes and mediates all tool calls, keeping downstream secrets hidden from the agent.

Does Marchward support human approval?

Yes, Marchward implements human-in-the-loop approval gates that must be passed before irreversible actions are executed.

How does Marchward control spending?

Marchward enforces an inference spend cap before the tool call reaches the provider, preventing budget overruns.

What license is Marchward released under?

Marchward is released under the Apache-2.0 open-source license.

Where can I get Marchward?

Marchward is available on npm (@marchward/*), PyPI (marchward), and the official MCP registry (ai.marchward/mcp-server). A governed-LangGraph example is included in the public repository.