R3bl Open Core MCP Server
by r3bl-orgFully async Rust TUI engine 🦀. For powering AI/LLM coding agents, Cloud/SSH workflows & interactive CLIs: non-blocking readline, inline dialogs, React/Elm-style full-screen TUI, Markdown editor, PTY multiplexing & rust-analyzer MCP server.
R3bl Open Core is an open-source mcp server by r3bl-org, written mainly in Rust, with 486 GitHub stars and the Apache-2.0 license. Its code was last updated Nov 1, 2026.
Scan summary: scanned Nov 5, 2026 at commit 758294e. Seen able to run shell commands. Scan policy
What R3bl Open Core can touch
- Seen in this scan, either in the code or while it ran.Run shell commandsFound in the code by our scan
- Our checks did not find this. The tool may still do it.Run dynamic codeNot seen in this scan
- Our checks did not find this. The tool may still do it.Read or write filesNot seen in this scan
- Our checks did not find this. The tool may still do it.Read environment and secretsNot seen in this scan
- Our checks did not find this. The tool may still do it.Control a web browserNot seen in this scan
- Our checks did not find this. The tool may still do it.Connect to databasesNot seen in this scan
- Our checks did not find this. The tool may still do it.Read or send messagesNot seen in this scan
- Our checks did not find this. The tool may still do it.Touch money or tradingNot seen in this scan
- Our checks did not find this. The tool may still do it.Connect to the internetNot run in this scan
"Not seen" means our checks did not find it, and the tool may still do it. Covers commit 758294e, Nov 5, 2026. See the scan policy.
Before you install R3bl Open Core
AgenticMart scanned R3bl Open Core on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.
What it can access
- An MCP server is a program your AI app starts and talks to. A local one runs with your user's permissions: it can see the files, environment variables and network your account can.
- Based on its description and topics, it likely needs to use a code-hosting token (GitHub/GitLab).
- Based on its description and topics, it likely needs to run shell commands.
- Based on its description and topics, it likely needs to act on cloud infrastructure.
Before you install
- Use a fine-grained token limited to the repos it needs.
- Keep tool-call approval on, and run it in a container if you can.
- Pin the version you reviewed instead of always installing the latest release.
- Read the tool list or scripts before the first run, and keep approval prompts on for actions that write, send or delete.
- Maintained by r3bl-org on GitHub, 486 stars and 31 forks. Popularity is not proof of safety.
- Last code change: Nov 1, 2026.
- Open-source license: Apache-2.0.
R3bl Open Core is an open-source mcp server by r3bl-org, written mainly in Rust. Fully async Rust TUI engine 🦀. For powering AI/LLM coding agents, Cloud/SSH workflows & interactive CLIs: non-blocking readline, inline dialogs, React/Elm-style full-screen TUI, Markdown editor, PTY multiplexing & rust-analyzer MCP server.
At a glance
- Stars
- 486
- Forks
- 31
- Language
- Rust
- License
- Apache-2.0
- Created
- Feb 2022
- Last update
- Nov 1, 2026
- Type
- MCP Server
- Price
- Free
Topics
Questions about R3bl Open Core
What is R3bl Open Core?
Fully async Rust TUI engine 🦀. For powering AI/LLM coding agents, Cloud/SSH workflows & interactive CLIs: non-blocking readline, inline dialogs, React/Elm-style full-screen TUI, Markdown editor, PTY multiplexing & rust-analyzer MCP server.
Who maintains R3bl Open Core?
R3bl Open Core is maintained by r3bl-org on GitHub (r3bl-org/r3bl-open-core). AgenticMart lists it from public repository data.
Is R3bl Open Core safe to use?
AgenticMart scanned R3bl Open Core on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.
What license does R3bl Open Core use?
It is published under the Apache-2.0 license.
R3bl Open Core alternatives
View more →Similar mcp servers in Coding Agents, ranked by GitHub stars. Compare licence, recent activity and scan status before you choose.
| Name | Stars | Licence | Last updated | Scan |
|---|---|---|---|---|
| R3bl Open Core (this page) r3bl-org | 486 | Apache-2.0 | Nov 1, 2026 | Scanned, no flagged issues |
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