SERVER

Chainweb API

Rank #40,966

io.github.Pact-Community-Organization/chainweb

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

3 versions

by Pact-Community-Organization (4 servers)View repository ↗

Listed & last published

Jul 3, 2026

PURPOSE

What you can do with Chainweb API

Chainweb API is a Model Context Protocol (MCP) server published by Pact-Community-Organization. It ranks #40,966 of 144,396 active servers on MCP Toplist. Chainweb API is listed on Official MCP, with 3 tracked versions. It was first listed on Jul 3, 2026 and most recently updated on Jul 3, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What Chainweb API can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using Chainweb API

DeclaredAPI keyCredentials declared

The registry listing declares required configuration before first use — typically an API key, token or connection string set via environment variables.

Declared by the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

PACT_COMMUNITY_WORKSPACE_ROOT · required
PACT_COMMUNITY_CHAINWEB_MODE · required
PACT_COMMUNITY_CHAINWEB_PROFILE · optional
PACT_COMMUNITY_CHAINWEB_BASE_URL · optional
PACT_COMMUNITY_CHAINWEB_NETWORK_ID · optional

INSTALLATION AND FIRST TASK

Connect Chainweb API and confirm it works

npm package

claude mcp add chainweb -e "PACT_COMMUNITY_WORKSPACE_ROOT=<your PACT_COMMUNITY_WORKSPACE_ROOT>" -e "PACT_COMMUNITY_CHAINWEB_MODE=<your PACT_COMMUNITY_CHAINWEB_MODE>" -e "PACT_COMMUNITY_CHAINWEB_PROFILE=<your PACT_COMMUNITY_CHAINWEB_PROFILE>" -e "PACT_COMMUNITY_CHAINWEB_BASE_URL=<your PACT_COMMUNITY_CHAINWEB_BASE_URL>" -e "PACT_COMMUNITY_CHAINWEB_NETWORK_ID=<your PACT_COMMUNITY_CHAINWEB_NETWORK_ID>" -- npx -y @pact-community/mcp-chainweb

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.chainweb]
command = "npx"
args = ["-y", "@pact-community/mcp-chainweb"]

[mcp_servers.chainweb.env]
PACT_COMMUNITY_WORKSPACE_ROOT = "<your PACT_COMMUNITY_WORKSPACE_ROOT>"
PACT_COMMUNITY_CHAINWEB_MODE = "<your PACT_COMMUNITY_CHAINWEB_MODE>"
PACT_COMMUNITY_CHAINWEB_PROFILE = "<your PACT_COMMUNITY_CHAINWEB_PROFILE>"
PACT_COMMUNITY_CHAINWEB_BASE_URL = "<your PACT_COMMUNITY_CHAINWEB_BASE_URL>"
PACT_COMMUNITY_CHAINWEB_NETWORK_ID = "<your PACT_COMMUNITY_CHAINWEB_NETWORK_ID>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "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>",
        "PACT_COMMUNITY_CHAINWEB_PROFILE": "<your PACT_COMMUNITY_CHAINWEB_PROFILE>",
        "PACT_COMMUNITY_CHAINWEB_BASE_URL": "<your PACT_COMMUNITY_CHAINWEB_BASE_URL>",
        "PACT_COMMUNITY_CHAINWEB_NETWORK_ID": "<your PACT_COMMUNITY_CHAINWEB_NETWORK_ID>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "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>",
        "PACT_COMMUNITY_CHAINWEB_PROFILE": "<your PACT_COMMUNITY_CHAINWEB_PROFILE>",
        "PACT_COMMUNITY_CHAINWEB_BASE_URL": "<your PACT_COMMUNITY_CHAINWEB_BASE_URL>",
        "PACT_COMMUNITY_CHAINWEB_NETWORK_ID": "<your PACT_COMMUNITY_CHAINWEB_NETWORK_ID>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "chainweb": {
      "type": "stdio",
      "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>",
        "PACT_COMMUNITY_CHAINWEB_PROFILE": "<your PACT_COMMUNITY_CHAINWEB_PROFILE>",
        "PACT_COMMUNITY_CHAINWEB_BASE_URL": "<your PACT_COMMUNITY_CHAINWEB_BASE_URL>",
        "PACT_COMMUNITY_CHAINWEB_NETWORK_ID": "<your PACT_COMMUNITY_CHAINWEB_NETWORK_ID>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "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>",
        "PACT_COMMUNITY_CHAINWEB_PROFILE": "<your PACT_COMMUNITY_CHAINWEB_PROFILE>",
        "PACT_COMMUNITY_CHAINWEB_BASE_URL": "<your PACT_COMMUNITY_CHAINWEB_BASE_URL>",
        "PACT_COMMUNITY_CHAINWEB_NETWORK_ID": "<your PACT_COMMUNITY_CHAINWEB_NETWORK_ID>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "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>",
        "PACT_COMMUNITY_CHAINWEB_PROFILE": "<your PACT_COMMUNITY_CHAINWEB_PROFILE>",
        "PACT_COMMUNITY_CHAINWEB_BASE_URL": "<your PACT_COMMUNITY_CHAINWEB_BASE_URL>",
        "PACT_COMMUNITY_CHAINWEB_NETWORK_ID": "<your PACT_COMMUNITY_CHAINWEB_NETWORK_ID>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: Jul 3, 2026
Latest version published: Jul 3, 2026
Version history: 3 versions tracked (below)
Requirements evidence: Declared by the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Jul 3, 2026

Registry sightings

Official MCP ↗listed since Jul 3, 2026 · still listed

Do you maintain Chainweb API? to correct or enrich this profile.

VERSIONS

Available versions (3)

Version	Published
0.2.3	Jul 3, 2026
0.2.2	Jul 3, 2026
0.2.1	Jul 3, 2026

STANDING

#40,966of 144,396 active serversTop 50%

Ranks ahead of 103,430 of 144,396 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.Pact-Community-Organization%2Fchainweb.svg)](https://mcptoplist.com/server/io.github.Pact-Community-Organization%2Fchainweb)

HTML

<a href="https://mcptoplist.com/server/io.github.Pact-Community-Organization%2Fchainweb"><img src="https://mcptoplist.com/badge/io.github.Pact-Community-Organization%2Fchainweb.svg" alt="MCP Toplist: Top 50% of 144,396" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains Chainweb API?: Chainweb API is maintained by Pact-Community-Organization, which publishes 4 MCP servers (5 total versions) tracked on MCP Toplist.
Is Chainweb API listed on the Official MCP Registry?: Yes — Chainweb API is listed on the Official MCP Registry.
How many versions does Chainweb API have?: MCP Toplist tracks 3 versions of Chainweb API, most recently published on Jul 3, 2026.
Where can I find the source code for Chainweb API?: The source code for Chainweb API is hosted at github.com/Pact-Community-Organization/pact-mcp.

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