OpenZeppelin Solidity Contracts vs chain-indexer
chain-indexer is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑18.
OpenZeppelin Solidity Contracts is an MCP server published by docker. Marketplaces we read that list it: 1 (Docker MCP Catalog). chain-indexer is a plugin bundle for AI coding tools published by barnburner121. No marketplace we read lists it any more. As of our marketplace pass on 2026-10-27. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.
Where each is published
| Marketplace |  OpenZeppelin Solidity Contracts | |
|---|---|---|
| Docker MCP Catalog | Listed Version: not stated No figure published Not marked · First seen |
Not listed |
| Community marketplace barnburner121/claude-plugin-marketplace | Not listed | Removed on 2026-10-18 Version: 1.0.0 Forks (GitHub): 0 Stars (GitHub): 3 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | OpenZeppelin Solidity Contracts | chain-indexerno longer listed · |
|---|---|---|
| Marketplaces that list it (differs) | 1 | 0 |
| Stars (GitHub) (differs) | No figure on GitHub | 3 |
| Forks (GitHub) (differs) | No figure on GitHub | 0 |
| Last release | Not published | Not published |
| Where it runs (differs) | Remote server (mcp.openzeppelin.com/contracts/solidity/mcp) | On your machine (@barnburner121/plugin-hub-mcp) |
| Transport (differs) | Streamable HTTP | Not stated |
| Tools it declares (differs) | 8 | Not published |
| Environment variables it asks for | Not published | Not published |
| Parts of the bundle (differs) | Not a bundle | 2 |
| Licence (differs) | Apache-2.0 | MIT |
| Repository (differs) | Not stated | github.com/barnburner121/claude-plugin-marketplace |
| Changes in the last 7 days | 0 | 0 |
| First seen (differs) | 2026-10-11 | 2026-10-14 |
| Endpoint at the last check (differs) | Responded 4 days ago | no remote endpoint we check |
Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.
What to use instead of chain-indexer
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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Build web3 applications, scripts, CLIs, bots, and mobile/desktop clients that read blockchain data through the Blockscout PRO API — a single HTTP API spanning 100+ EVM chains.
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Use native Torii MCP on deployed Iroha networks such as Taira for live account, asset, contract, governance, and transaction workflows.
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Specialized agents for blockchain development, smart contracts, and Web3 applications
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Rules, execution strategies, and conventions for ad-hoc blockchain data analysis and building tools, scripts, and applications that query the Blockscout API.
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DashClaw governance, integration, and platform intelligence: guard checks, approvals, and audit trails for your agents.
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AI skills for building fullstack Aptos dApps — Move smart contracts, TypeScript SDK, wallet integration, security auditing, and gas optimization.
What each says it does
OpenZeppelin Solidity Contracts
Access to OpenZeppelin Solidity Contracts.
chain-indexer
Generate blockchain event indexing setup
How to run each
OpenZeppelin Solidity Contracts As a remote MCP server
claude mcp add --transport http openzeppelin-solidity https://mcp.openzeppelin.com/contracts/solidity/mcpchain-indexer
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Commands built only from what the marketplaces declare; the full set for every client is on each card.
Only OpenZeppelin Solidity Contracts has a remote endpoint we check. How we check endpoints
Tools each declares
The marketplaces of chain-indexer publish no list of tools, so we do not compare tools.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: OpenZeppelin Solidity Contracts · What it can do: chain-indexer · Compare two other plugins
Data comes from the Docker MCP Catalog (desktop.docker.com/mcp/catalog) and Docker Hub. Data comes from public marketplace files in GitHub repositories of their authors. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.