Chainweb API

io.github.Pact-Community-Organization/chainweb

Chainweb HTTP API: local sim, pre-signed send, poll, table reads, SPV proofs, module deploys.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "chainweb": {
      "command": "npx",
      "args": [
        "-y",
        "@pact-community/mcp-chainweb@0.2.3"
      ],
      "env": {
        "PACT_COMMUNITY_WORKSPACE_ROOT": "<your PACT_COMMUNITY_WORKSPACE_ROOT>",
        "PACT_COMMUNITY_CHAINWEB_MODE": "<your PACT_COMMUNITY_CHAINWEB_MODE>"
      }
    }
  }
}
Environment variables
  • PACT_COMMUNITY_WORKSPACE_ROOTrequiredWorkspace root directory; all file access is confined inside it.
  • PACT_COMMUNITY_CHAINWEB_MODErequiredNetwork mode; must be set and match PACT_COMMUNITY_CHAINWEB_PROFILE (devnet, testnet06, or mainnet).

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.2.3
Registry
active
Published
7/3/2026

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Chainweb API — listed on Serverdex

HTML — for your website

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Markdown — for your README

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Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.