OP_RETURN Bot
OP_RETURN Bot will create an OP_RETURN output for you, you just need to pay the fees.
https://opreturnbot.com/Opens ChatGPT on the web or desktop and asks it to use the WebMCP tools available here.
Connect straight to this server’s public endpoint.
https://opreturnbot.com/mcpWe add this server to your workspace, then open Studio — saved access, one connection to many servers, with a history of what ran.
Last probed Sep 18, 2026 · opreturnbot.com
4tools discovered
Check Payment Status
Check the payment and broadcast status of an OP_RETURN request
Create Op Return
Create a Lightning invoice to write an OP_RETURN message on Bitcoin
Create Unified Payment
Create a Lightning and on-chain payment request for an OP_RETURN message
View Message
View the OP_RETURN message for a transaction created by OP_RETURN Bot
Get your MCP into directories
A working endpoint is step one. Directory coverage is the coordinated launch across ChatGPT, Claude, Cursor, the MCP Registry, and community indexes.
Directory coverage for brandsOP_RETURN Bot will create an OP_RETURN output for you, you just need to pay the fees.
Use the MCP endpoint listed on this page in your MCP client configuration. One-click install pills support Claude, Cursor, VS Code, and other hosts. Copy the remote MCP URL if your client needs a manual entry.
MCPBundles probed 4 tools on the live server. The tool list on this page reflects what was discovered at the last refresh — connect your client to see the full set available to your session.
Request removal if you do not want OP_RETURN Bot listed here, or claim the listing if you want to manage it on MCPBundles.
This server appears in the MCPBundles directory. Verify you operate it to take over the listing — name, description, logo, contact email, and skill content. We email a 6-digit code to a maintainer address your server publishes in /.well-known/security.txt or /.well-known/mcpbundles.json. Free, takes about a minute.
No provider sign-in was required during MCPBundles' probe. Your client may still need MCPBundles credentials depending on how you connect.
Request removal from the MCPBundles directory. This does not shut down or change your MCP server — we stop showing it on MCPBundles.
MCPBundles is an independent platform built on the open Model Context Protocol standard. Not affiliated with Anthropic PBC or Claude.