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Developer ToolActiveSelf-ReportedActive · 11d ago

MCP Reference Servers

Anthropic's official collection of reference Model Context Protocol server implementations across languages.

Last release Aug 18, 2026 · Last commit Aug 20, 2026 · ★ 89,795

Website ↗GitHub ↗

Overview

MCP Reference Servers is Anthropic's official repository of educational, reference-grade Model Context Protocol server implementations (Git, Filesystem, Memory, Fetch, and more) spanning Python, TypeScript, Go, and Rust. It exists to demonstrate MCP SDK usage and protocol features for developers building their own servers, not as production-hardened infrastructure. A builder uses it as the canonical starting point and pattern library when implementing a new MCP server for an agent.

Sato Score

70/100· High

How open, active & verifiable — not a safety or returns grade.

Maintenance & liveness
35/35
Code transparency
20/20
Interface verifiability
8/10
Docs & demo
0/10
Listing transparency & provenance
7/15
Independent verification
0/10

Deploy path reproduced — install verified in an isolated container (proves installability, not runtime safety).

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Details

Chains
Unknown
Agent types
MCP Server, Developer Agent
Open source
Yes
Last checked
2026-08-30

Marketplace Signals

No marketplace signals recorded for this resource yet.

Verification status reflects evidence reviewed by Sato Hub. Self-reported claims are never presented as verified.

#mcp#reference-implementation#sdk#developer-tool#anthropic
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Recent Activity

All news →

Releases and posts from MCP Reference Servers, pulled from its GitHub and X.

Releasemodelcontextprotocol/servers12d ago

servers Release 2026.8.18

Release : v2026.8.18 Updated packages @modelcontextprotocol/server-everything@2026.8.18 mcp-server-time@2026.8.18 mcp-server-fetch@2026.8.18 mcp-server-git@2026.8.18

GitHub ↗
Releasemodelcontextprotocol/serversJul 10, 2026

servers Release 2026.7.10

Release : v2026.7.10 Updated packages @modelcontextprotocol/server-filesystem@2026.7.10 mcp-server-time@2026.7.10 mcp-server-fetch@2026.7.10 mcp-server-git@2026.7.10

GitHub ↗

Listing History

Recorded changes to MCP Reference Servers's listing — status, verification, Sato Score, and recent releases. Full history is kept in the listing record.

  1. Aug 18, 2026
    New release published
  2. Jul 21, 2026
    Verified: deploy spec
  3. Jul 20, 2026
    Sato Score tier: Medium → High
    Score 62 → 70.
  4. Jul 19, 2026
    Sato Score tier: High → Medium
    Score 72 → 62.
  5. Jul 18, 2026
    Auto-enriched: docs url, deployment options
  6. Jul 18, 2026
    Sato Score tier: Medium → High
    Score 62 → 72.
  7. Jul 13, 2026
    Listed on Sato Hub
  8. Jul 13, 2026
    Sato Hub began tracking this listing

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Cite this page

Sato Hub. "MCP Reference Servers — Sato Hub." Sato Hub, updated 2026-08-30, accessed 2026-08-31. https://satohub.ai/resources/mcp-reference-servers

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