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Stop vibe-debugging.
Plug Claude into your app's actual errors.
AppSignal's MCP server hands Claude, Cursor, or Zed your real errors, traces, and the deploy that shipped them. AI writes the fix; you review the diff.
Modern concurrency tools including agents, futures, promises, etc.
...Concurrent Ruby makes one of the strongest thread safety guarantees of any Ruby concurrency library, providing consistent behavior and guarantees on all four of the main Ruby interpreters (MRI/CRuby, JRuby, Rubinius, TruffleRuby).
Marathon supports testing of Java/Swing and Java/Fx applications.
Marathon provides an integrated environment for test script creation and execution.
Supported FW: Web, Java Swing/ Java FX. Currently, Marathon supports JRuby script models for recording the test scripts.Marathon test runner generates Allure test reports.Marathon allows for grouping of test cases.It also has an option of inserting modules while recording(in MarathonITE while recording). It allows tester to inset checklist while recording and also takes screen capture and annotate it in playing the test cases. ...
Tensor is a tool written in Ruby that helps provide an estimate on the cost of change on test source code based on a radical change in design on production source code, especially around branch execution code. It works with the JRuby interpreter also on