diff --git a/ADDITIONAL.md b/ADDITIONAL.md
index 3c25b3557d..fb014e64fa 100644
--- a/ADDITIONAL.md
+++ b/ADDITIONAL.md
@@ -21,6 +21,7 @@ This is a curated collection of community-built frameworks and resources that si
 * **[mxcp](https://github.com/raw-labs/mxcp)** (Python) - Open-source framework for building enterprise-grade MCP servers using just YAML, SQL, and Python, with built-in auth, monitoring, ETL and policy enforcement.
 * **[Next.js MCP Server Template](https://github.com/vercel-labs/mcp-for-next.js)** (Typescript) - A starter Next.js project that uses the MCP Adapter to allow MCP clients to connect and access resources.
 * **[PayMCP](https://github.com/blustAI/paymcp)** (Python & TypeScript) - Lightweight payments layer for MCP servers: turn tools into paid endpoints with a two-line decorator. [PyPI](https://pypi.org/project/paymcp/) · [npm](https://www.npmjs.com/package/paymcp) · [TS repo](https://github.com/blustAI/paymcp-ts)
+* **[TWZRD Agent Intel](https://intel.twzrd.xyz)** - Trust-scoring MCP server for x402 agents on Solana: free preflight agent trust check + signed trust receipt via USDC micropayment (<1s settlement). Tools: `resolve_agent`, `score_agent`, `get_trust_receipt`, `verify_trust_receipt`. [MCP endpoint](https://intel.twzrd.xyz/mcp) · [Registry](https://registry.modelcontextprotocol.io)
 * **[Perl SDK](https://github.com/mojolicious/mojo-mcp)** - An SDK for building MCP servers and clients with the Perl programming language.
 * **[Quarkus MCP Server SDK](https://github.com/quarkiverse/quarkus-mcp-server)** (Java)
 - **[R mcptools](https://github.com/posit-dev/mcptools)** - An R SDK for creating R-based MCP servers and retrieving functionality from third-party MCP servers as R functions.