OpenZeppelin Contracts MCP

Official OpenZeppelin remote MCP server (keyless): secure Solidity contract generation (ERC20, ERC721, governor) as MCP tools.

Operational

Last checked 10m ago · response time 267 ms

90-day uptime

90 days ago60d ago30d agoToday

Monitoring since 2026-06-11 · 78 days of data

OperationalDegradedOutageNo data

Past incidents

Aug 28, 2026

No incidents reported.

Aug 27, 2026

No incidents reported.

Aug 26, 2026

No incidents reported.

Aug 25, 2026

No incidents reported.

Aug 24, 2026

No incidents reported.

Aug 23, 2026

No incidents reported.

Aug 22, 2026

No incidents reported.

Aug 21, 2026

No incidents reported.

Aug 20, 2026

No incidents reported.

Aug 19, 2026

11:44 UTCGuardian-measuredResolvedContracts MCP: Unreachable · resolved after 2m

Aug 18, 2026

No incidents reported.

Aug 17, 2026

No incidents reported.

Aug 16, 2026

No incidents reported.

Aug 15, 2026

No incidents reported.

Jul 15, 2026

06:11 UTCGuardian-measuredResolvedContracts MCP: Unreachable · resolved after 15m

Jul 9, 2026

09:41 UTCGuardian-measuredResolvedContracts MCP: Unreachable · resolved after 14m

Jun 26, 2026

20:56 UTCGuardian-measuredResolvedContracts MCP: Unreachable · resolved after 15m

Recent changes

2026-08-28Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-27Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-26Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-25Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-24Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-23Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-22Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-22Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-21Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-20Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-19Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-18Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-17Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-16Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-15Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-14Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-13Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more
2026-08-12Potentially breaking change8 fields changed: solidity-erc1155.crossChainBridging, solidity-erc1155.crossChainLinkAllowOverride, solidity-erc20.decimals, +5 more

Integrate

The live status, 90-day uptime figure and change history on this page are also machine-readable: embed the badge, poll the JSON, or subscribe to the feed. No key needed.

Status badge:

Markdown embed: [![OpenZeppelin Contracts MCP status](https://guardiandev.ai/mcp/openzeppelin-mcp/badge.svg)](https://guardiandev.ai/mcp/openzeppelin-mcp)

Machine-readable: JSON (versioned v1, CORS-enabled) · Atom feed of drift & outage events.

Guardian probes https://mcp.openzeppelin.com/contracts/solidity/mcp about every 15 minutes. How Guardian measures.