Best Self Improving AI Skills & MCP Servers

ThumbGate self-improving agent governance: thumbs-up/down turns every mistake into a prevention rule and blocks repeat patterns. 33 pre-action checks, budget enforcement, and self-protection for Claude Code, Cursor, Codex, Gemini CLI, and Amp.

Time Estimation MCP Server — 24 tools for PERT, COCOMO II, Monte Carlo, sprint forecasting, token-to-time mapping, cost estimation, and schedule risk. Self-improving. MCP + CLI + REST.

Time Estimation MCP Server — 24 structured tools for PERT, COCOMO II, Monte Carlo, sprint forecasting, token-to-time mapping, cost estimation, schedule risk, and model comparison. Self-improving engine with estimation feedback loop. MCP + CLI + REST API.

Human-like memory for self-improving AI agents. Automatic capturing, nightly reflection, and cross-agent learning. Works with Claude Code and OpenClaw.

Adaptive memory system for AI applications. Multi-strategy retrieval, cognitive scoring, knowledge graph, and self-improving ML. Connects via MCP or REST API.

A self-improving decision tree engine for LLM agents — build, execute, and learn from decision paths. Supports Claude, OpenAI, and Gemini with automatic recommendation caching so agents get faster and cheaper over time. Includes an MCP server for Claude C