Chainweb API
Chainweb HTTP API: local sim, pre-signed send, poll, table reads, SPV proofs, module deploys.
Install
registry version 0.2.3
npm
npx -y @pact-community/mcp-chainwebnpm
npx -y @pact-community/mcp-chainweb@0.2.3
Setup by client
Pick your client — the config below is generated for this server (local stdio). Copy respects the “Pin version” switch above.
claude_desktop_config.json
{
"mcpServers": {
"chainweb": {
"command": "npx",
"args": [
"-y",
"@pact-community/mcp-chainweb"
],
"env": {
"PACT_COMMUNITY_WORKSPACE_ROOT": "<YOUR_PACT_COMMUNITY_WORKSPACE_ROOT>",
"PACT_COMMUNITY_CHAINWEB_MODE": "<YOUR_PACT_COMMUNITY_CHAINWEB_MODE>"
}
}
}
}{
"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>"
}
}
}
}Format verified against the official Claude Desktop docs ↗.
terminal
claude mcp add --env PACT_COMMUNITY_WORKSPACE_ROOT=<YOUR_PACT_COMMUNITY_WORKSPACE_ROOT> --env PACT_COMMUNITY_CHAINWEB_MODE=<YOUR_PACT_COMMUNITY_CHAINWEB_MODE> chainweb -- npx -y @pact-community/mcp-chainweb
claude mcp add --env PACT_COMMUNITY_WORKSPACE_ROOT=<YOUR_PACT_COMMUNITY_WORKSPACE_ROOT> --env PACT_COMMUNITY_CHAINWEB_MODE=<YOUR_PACT_COMMUNITY_CHAINWEB_MODE> chainweb -- npx -y @pact-community/mcp-chainweb@0.2.3
Format verified against the official Claude Code docs ↗.
.cursor/mcp.json
{
"mcpServers": {
"chainweb": {
"command": "npx",
"args": [
"-y",
"@pact-community/mcp-chainweb"
],
"env": {
"PACT_COMMUNITY_WORKSPACE_ROOT": "<YOUR_PACT_COMMUNITY_WORKSPACE_ROOT>",
"PACT_COMMUNITY_CHAINWEB_MODE": "<YOUR_PACT_COMMUNITY_CHAINWEB_MODE>"
}
}
}
}{
"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>"
}
}
}
}Format verified against the official Cursor docs ↗.
.vscode/mcp.json
{
"servers": {
"chainweb": {
"command": "npx",
"args": [
"-y",
"@pact-community/mcp-chainweb"
],
"env": {
"PACT_COMMUNITY_WORKSPACE_ROOT": "<YOUR_PACT_COMMUNITY_WORKSPACE_ROOT>",
"PACT_COMMUNITY_CHAINWEB_MODE": "<YOUR_PACT_COMMUNITY_CHAINWEB_MODE>"
}
}
}
}{
"servers": {
"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>"
}
}
}
}Format verified against the official VS Code docs ↗.
mcp_config.json
{
"mcpServers": {
"chainweb": {
"command": "npx",
"args": [
"-y",
"@pact-community/mcp-chainweb"
],
"env": {
"PACT_COMMUNITY_WORKSPACE_ROOT": "<YOUR_PACT_COMMUNITY_WORKSPACE_ROOT>",
"PACT_COMMUNITY_CHAINWEB_MODE": "<YOUR_PACT_COMMUNITY_CHAINWEB_MODE>"
}
}
}
}{
"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>"
}
}
}
}Format verified against the official Windsurf docs ↗.
Environment variables
Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.
PACT_COMMUNITY_WORKSPACE_ROOTrequired — Workspace root directory; all file access is confined inside it.PACT_COMMUNITY_CHAINWEB_MODErequired — Network mode; must be set and match PACT_COMMUNITY_CHAINWEB_PROFILE (devnet, testnet06, or mainnet).PACT_COMMUNITY_CHAINWEB_PROFILE— Network profile: devnet (default, read/write), testnet06, or mainnet (both read-only).PACT_COMMUNITY_CHAINWEB_BASE_URL— Chainweb node base URL (default per profile).PACT_COMMUNITY_CHAINWEB_NETWORK_ID— Network id, e.g. development, testnet06, mainnet01 (default per profile).
GitHub
最近更新于 26 天前 · Apache-2.0 license
These star and push figures are for the shared repository — 2 listings on this site point at the same repository.
About this server
pact mcp — MCP servers for Pact & Chainweb Model Context Protocol servers that give your AI agent safe, auditable access to the Pact 5 development loop on Kadena Chainweb. Run REPL tests, scan modules for critical language traps, estimate gas, and query or submit to Chainweb nodes — from Claude, Cur…
Summary from the project README — github.com/Pact-Community-Organization/pact-mcp
Distributed as npm, listed under Developer Tools. Review our MCP security guide before granting access to real data.
Frequently asked questions
What does the Chainweb API MCP server do?
pact mcp — MCP servers for Pact & Chainweb Model Context Protocol servers that give your AI agent safe, auditable access to the Pact 5 development loop on Kadena Chainweb. Run REPL tests, scan modules for critical language traps, estimate gas, and query or submit to Chainweb nodes — from Claude, Cur
How do I install Chainweb API?
Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.
Is Chainweb API free to use?
The MCP server itself is free to install. The source is public on https://github.com/Pact-Community-Organization/pact-mcp. Any third-party service it calls may require its own API key and account.
Which clients support Chainweb API?
Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.
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