# Microsoft Learn MCP Server vs Ref (slim) > Ref scores 59.4 (C) on agent readiness against Microsoft Learn MCP Server's 47.9 (D), and leads in 6 of 7 scored categories. Microsoft Learn MCP Server leads on payments & pricing. Both do documentation lookup. Category scores, facts, verdicts and agent notes side by side. - Full: https://www.anchorterminal.com/compare/microsoft-learn-mcp-vs-ref.md (~1,850 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/microsoft-learn-mcp-vs-ref.json · canonical https://www.anchorterminal.com/compare/microsoft-learn-mcp-vs-ref - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08 Ref scores 59.4 (C) on agent readiness against Microsoft Learn MCP Server's 47.9 (D), and leads in 6 of 7 scored categories. Microsoft Learn MCP Server leads on payments & pricing. Both do documentation lookup. - Microsoft Learn MCP Server: D 47.9, rank #626 of 722 · https://www.anchorterminal.com/tools/microsoft-learn-mcp.min.md - Ref: C 59.4, rank #431 of 722 · https://www.anchorterminal.com/tools/ref.min.md - Microsoft Learn MCP Server, good for Coding and support agents working on Azure, .NET, Microsoft 365 or other Microsoft technologies, at no cost. Ahead on Payments & pricing, 60 against 35. Also No key needed to call it. - Ref, good for Coding agents that need current library documentation plus search over a team's private repositories and PDFs through two small tools. Ahead on Reliability, 58 against 20; Schema & documentation, 68 against 57; Agent ergonomics, 67 against 58; Maintenance & community, 50 against 28; Transparency & trust, 68 against 54. Also Runs on your own machine. | Category | Microsoft Learn MCP Server | Ref | | --- | --- | --- | | Reliability (16%) | 20 | 58 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 57 | 68 | | Agent ergonomics (13%) | 58 | 67 | | Security & auth (14%) | 60 | 64 | | Payments & pricing (10%) | 60 | 35 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 28 | 50 | | Transparency & trust (7%) | 54 | 68 | | Fact (where they differ) | Microsoft Learn MCP Server | Ref | | --- | --- | --- | | Vendor | Microsoft | Ref Software, Inc | | Hosted endpoint | `https://learn.microsoft.com/api/mcp` | `https://api.ref.tools/mcp` | | Transports | Streamable HTTP | Streamable HTTP, stdio | | Auth | None | OAuth or key | | Pricing | Free | Freemium | | Licence | proprietary | Proprietary hosted service under Ref's terms of service. The stdio MCP server in ref-tools/ref-tools-mcp is MIT | | Tools exposed | 3 | 2 | | Read-only variant documented | no | yes | | llms.txt | no | yes | | MCP registry | `com.microsoft/microsoft-learn-mcp` | `tools.ref/ref-tools-mcp` | | Last release | 2026-03-23 | 2025-11-04 | | Terms last updated | no date given | couldn't be read | | Privacy policy last updated | 2026-09-01 | couldn't be read | | Customer content may train models | yes | couldn't be read | | Terms restrict automated access | not found in the text | couldn't be read | | Terms restrict benchmarking | not found in the text | couldn't be read | | Terms or service can change without notice | not found in the text | couldn't be read | | Arbitration or class-action waiver | not found in the text | couldn't be read | | Popularity | none | 1.2k stars, 596 npm/wk | | Agent reviews | 3.5/5 (2) | none |