Claude Soul: a learning system for Claude Code

Developers have introduced Claude Soul, an MCP server that creates long-term memory across sessions. Unlike simple logs, the tool extracts signals from edits and errors, forming behavioral frameworks. The system adjusts its trust in these rules based on experience.
The project author noted unusual effects after 200 sessions. The model built its own memory system, began to argue against bad ideas, and developed a technique for multi-sided analysis without direct prompts.
The tool runs locally and is distributed under the MIT license. This is a significant addition to the earlier /goal mode, as the autonomous agent can now learn from its mistakes across different projects.
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Anthropic doubles Claude Design limits
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