diff --git a/README.md b/README.md
index 639f4b518..e3af80375 100644
--- a/README.md
+++ b/README.md
@@ -802,6 +802,7 @@ Data Platforms for data integration, transformation and pipeline orchestration.
 
 
 ### 💻 <a name="developer-tools"></a>Developer Tools
+- [adrianczuczka/mason](https://github.com/adrianczuczka/mason) [![adrianczuczka/mason MCP server](https://glama.ai/mcp/servers/adrianczuczka/mason/badges/score.svg)](https://glama.ai/mcp/servers/adrianczuczka/mason) 📇 🏠 🍎 🪟 🐧 - Context engineering MCP server. Generates CLAUDE.md from git history and architectural file sampling, and maintains a concept-map snapshot of features/flows → files so agents can skip grep/glob on repeat queries.
    The fast, idiomatic Go framework for building MCP servers. Struct-tag auto schema, middleware chain, and adapters to import existing Gin/OpenAPI/gRPC services as MCP tools.
 - [masondelan/selvedge](https://github.com/masondelan/selvedge) [![masondelan/selvedge MCP server](https://glama.ai/mcp/servers/masondelan/selvedge/badges/score.svg)](https://glama.ai/mcp/servers/masondelan/selvedge) 🐍 🏠 - Change tracking for AI-era codebases. AI agents call it to log structured change events (entity + diff + reasoning) before the session ends, then query history with diff, blame, history, changeset, and search. Captures the intent that would otherwise evaporate.
 - [sapph1re/mcp-billing-gateway-sdk](https://github.com/sapph1re/mcp-billing-gateway-sdk) [![sapph1re/mcp-billing-gateway-sdk MCP server](https://glama.ai/mcp/servers/sapph1re/mcp-billing-gateway-sdk/badges/score.svg)](https://glama.ai/mcp/servers/sapph1re/mcp-billing-gateway-sdk) 📇 ☁️ - Billing infrastructure for MCP server operators. Add Stripe subscriptions, per-call credits, tiered pricing, and x402 crypto micropayments to any MCP server without writing billing code. Operator dashboard included.