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Best cloud MCP servers
We tested 16 cloud servers: 9 are ranked, 2 failed the handshake and are listed after them, and 5 aren't ranked: deprecated; new listing, held until a tool call passes in our test; no passing tool call; no public repo. Short answer: Azure MCP (Microsoft) (100/100). This list includes paid and keyed servers; servers that need a key are labelled, and we have not tested any of them with real credentials.
Last tested 2026-11-11
How we test: methodology. Context cost: lowest context cost MCP servers. Not tested by us: security, output quality, and behaviour with real credentials.
Ranked by test score, then the Failed group
| Server | Score | Status | Tools | Token cost (estimate) | Functional tasks | GitHub stars |
|---|---|---|---|---|---|---|
Azure MCP (Microsoft)@azure/mcp | 100 | Working | 73 | approx. 13912 tokens, cl100k estimate | Not measured | 3,844 |
CloudBase MCP@cloudbase/cloudbase-mcp | 90 | Working | 42 | approx. 56457 tokens, cl100k estimate | Not measured | 1,163 |
Heroku (official)@heroku/mcp-server | 90 | Working | 33 | approx. 4445 tokens, cl100k estimate | Not measured | 82 |
Hostinger API MCP (official)hostinger-api-mcp | 90 | Working | 3 | approx. 347 tokens, cl100k estimate | Not measured | 171 |
DigitalOcean MCP (official, digitalocean-labs)@digitalocean/mcp needs key: not tested with credentials | 70 | Needs key | Not measured | pending | Not measured | 137 |
Kubernetes (Flux159)mcp-server-kubernetes | 70 | Connects · tools listed | 23 | approx. 4862 tokens, cl100k estimate | Not measured | 1,607 |
Netlify (official)@netlify/mcp | 70 | Connects · tools listed | 10 | approx. 4673 tokens, cl100k estimate | Not measured | 71 |
Fly.io MCP (official, remote)flyio-remote needs key: not tested with credentials | 65 | Needs credentials | Not measured | pending | Not measured | — |
Vercel MCP (official, remote)vercel-remote needs key: not tested with credentials | 33 | Needs credentials | Not measured | pending | Not measured | 18 |
Cloudflare@cloudflare/mcp-server-cloudflare Failed group: listed after the ranked rows, not ranked by score | 65 | Failed | Not measured | pending | Not measured | 4,457 |
Dockermcp-server-docker Failed group: listed after the ranked rows, not ranked by score | 50 | Failed | Not measured | pending | Not measured | 753 |
Tested, not ranked
- AWS KB Retrieval (legacy reference) (
@modelcontextprotocol/server-aws-kb-retrieval): deprecated. - HashiCorp Boundary MCP Server (official, beta) (
boundary-mcp-server): new listing, held until a tool call passes in our test. - Railway (
@railway/mcp-server): deprecated. - Kubernetes (Python) (
mcp-server-kubernetes): no passing tool call; no public repo. - AWS Core (AWS Labs) (
awslabs.core-mcp-server): deprecated.
Ranked by score, then more passing real tool calls, then name. The 2 Failed rows (labelled Failed group) are listed after the ranked rows and not ranked by score. Failed = did not complete the MCP handshake without credentials or a backing service.
Don't use (deprecated or archived)
- AWS KB Retrieval (legacy reference) (
@modelcontextprotocol/server-aws-kb-retrieval), legacy score 70: Package no longer supported. Contact Support at https://www.npmjs.com/support for more info. - Railway (
@railway/mcp-server), legacy score 40: Deprecated: Railway MCP is now bundled into the Railway CLI. Use 'railway mcp'. See https://docs.railway.com/cli/mcp. - AWS Core (AWS Labs) (
awslabs.core-mcp-server), legacy score 10: yanked: load individual MCPs
FAQ
What is the best cloud MCP server?
In our tests through 2026-11-11, Azure MCP (Microsoft) (@azure/mcp) ranked first with 100/100 and 73 tools listed. Ranking: score, then more passing real tool calls, then name. Failed servers are listed after the ranked ones.
Which cloud MCP server uses the least context?
Hostinger API MCP (official) lists 3 tools at approx. 347 tokens, cl100k estimate, the lowest token-cost estimate among maintained servers here.
Which cloud MCP servers are deprecated?
AWS KB Retrieval (legacy reference) (@modelcontextprotocol/server-aws-kb-retrieval): Package no longer supported. Contact Support at https://www.npmjs.com/support for more info.; Railway (@railway/mcp-server): Deprecated: Railway MCP is now bundled into the Railway CLI. Use 'railway mcp'. See https://docs.railway.com/cli/mcp.; AWS Core (AWS Labs) (awslabs.core-mcp-server): yanked: load individual MCPs
Why are only 9 of the 16 tested cloud servers ranked?
We tested 16 cloud servers: 9 are ranked, 2 failed the handshake and are listed after them, and 5 aren't ranked: deprecated; new listing, held until a tool call passes in our test; no passing tool call; no public repo. Not ranked: AWS KB Retrieval (legacy reference) (deprecated); HashiCorp Boundary MCP Server (official, beta) (new listing, held until a tool call passes in our test); Railway (deprecated); Kubernetes (Python) (no passing tool call; no public repo); AWS Core (AWS Labs) (deprecated).