@atomic-content-protocol/mcp

MCP server for the Atomic Content Protocol — exposes ACO operations as tools that AI agents can call via the Model Context Protocol.

Try it free — hosted server

A hosted MCP server is live at mcp.atomiccontentprotocol.org. Use it as a custom connector in Claude Desktop, Cursor, or any MCP-compatible client — on us. No install, no API keys, no setup. We cover the LLM costs.

Add to Claude Desktop

Settings → Connectors → Add custom connector

• Name: ACP
• URL: https://mcp.atomiccontentprotocol.org/mcp

The enrich_url, enrich_content, and enrich_batch tools are immediately available in any chat.

Rate-limited to 50 enrichments/hour per IP. For higher limits, private data, or self-hosting, use the package below and bring your own key.

Self-host

npm install @atomic-content-protocol/mcp @atomic-content-protocol/core

import { ACPMCPServer } from "@atomic-content-protocol/mcp";
import { FilesystemAdapter } from "@atomic-content-protocol/core";

const storage = new FilesystemAdapter({ vaultPath: "./my-vault" });

const server = new ACPMCPServer({
  storage,
  enrichment: {
    providers: {
      anthropic: { apiKey: process.env.ANTHROPIC_API_KEY! },
    },
  },
});

await server.start();

Exports

• ACPMCPServer — server class
• registerTool, getAllTools, getToolHandler — tool registry API
• adaptToolForMCP, zodSchemaToJsonSchema — adapter helpers

Links

• Protocol spec: atomiccontentprotocol.org
• Repository: github.com/atomic-content-protocol/sdk

Stewardship

The Atomic Content Protocol is an open standard stewarded by Stacks, Inc — the company behind Stacklist.

License

Apache-2.0