CloudBase MCP
Context cost warning: its tools/list is about 56,457 tokens (42 tools), 172% of a 32k context window and 28% of a 200k window, before you send a single message. Load only the tools you need, or expect most of the context to go to tool definitions. Estimate from our testing of the tool names, descriptions and input schemas, counted with cl100k_base, measured 2026-11-11. How MCP context cost adds up
Capped at 90: 2 of 3 real tool calls passed in our test; the tests add up to 100. Why scores are capped
Test points add up to 100; the score is capped at 90 because not every real tool call passed. Not a quality or security rating. Why scores are capped
Test points before the cap (100/100)
- Install20/20
- Handshake30/30
- Maintenance25/25
- Docs15/15
- License10/10
Tested npm @cloudbase/cloudbase-mcp 2.37.5 (MIT; repo TencentCloudBase/CloudBase-AI-Toolkit, 1,163 GitHub stars when checked). Stdio, 42 tools for Tencent CloudBase; replies are mostly in Chinese. Real calls without an account: searchKnowledgeBase full-text docs search and skill lookup both returned content. queryEnv (list environments) returned AUTH_REQUIRED (isError false), counted as not passed: environment, database, function and hosting tools need a Tencent Cloud sign-in. Manage/write tools were not called. Our first docs call left out the required action argument and was rerun with it.
Tool-call test (2026-11-11, direct MCP stdio client, no LLM): partial. 2 of 3 calls passed: docs and skill search work without an account; environment tools need a Tencent Cloud sign-in. Evidence: local test run, Nov 11, 2026.
Transport (tested 2026-11-11): stdio
Token cost (estimate): approx. 56457 tokens, cl100k estimate (42 tools, measured 2026-11-11, version 2.37.5). This is an estimate from our testing of the tool names, descriptions and input schemas, counted with cl100k_base.
Permissions: 20 read, 22 write (state-changing), 0 unclassified · Auth: API key · Rate limit: unknown · Pricing unit: unknown
Auth: API key. Rate limit: unknown. Pricing unit: unknown.
auth— write (state-changing)callCloudApi— write (state-changing)deployApply— write (state-changing)deployBuild— write (state-changing)deployPlan— readdownloadTemplate— write (state-changing)envDomainManagement— write (state-changing)manageAgents— write (state-changing)manageAppAuth— write (state-changing)manageApps— write (state-changing)manageCloudRun— write (state-changing)manageDataModel— readmanageEnv— write (state-changing)manageFunctions— write (state-changing)manageGateway— write (state-changing)manageHosting— write (state-changing)manageLogs— write (state-changing)manageMysqlDatabase— write (state-changing)managePermissions— write (state-changing)managePgDatabase— write (state-changing)manageStorage— write (state-changing)modifyDataModel— write (state-changing)prepareFeedback— readqueryAgents— readqueryAppAuth— readqueryApps— readqueryCloudRun— readqueryEnv— readqueryFunctions— readqueryGateway— readqueryHosting— readqueryLogs— readqueryMysqlDatabase— readqueryPermissions— readqueryPgDatabase— readqueryPgStorage— readqueryStorage— readreadNoSqlDatabaseContent— readreadNoSqlDatabaseStructure— readsearchKnowledgeBase— readwriteNoSqlDatabaseContent— write (state-changing)writeNoSqlDatabaseStructure— write (state-changing)
listing-flags calls_need_key or auth_kind
Score 90/100 · Tools 42 · Token cost approx. 56,457 tokens · Compare · Last tested 2026-11-11 · Version tested 2.37.5 · Package @cloudbase/cloudbase-mcp · Repo TencentCloudBase/CloudBase-AI-Toolkit
Summary: CloudBase MCP completed an MCP handshake without credentials and exposed 42 tools.
Evidence summary
- Handshake
- pass
- Tools listed
- 42
- Context cost
- approx. 56457 tokens, cl100k estimate (42 tools, measured 2026-11-11, version 2.37.5; an estimate) ranking · add up your servers' context cost
- API key
- Connects without a key; tool calls need one
- Tested
- 2026-11-11
Test results
| Test | Result | Points | Evidence |
|---|---|---|---|
| install | pass | 20 | npm install @cloudbase/cloudbase-mcp (Node 20, Linux) succeeded in 0s. |
| handshake | pass | 30 | MCP initialize + tools/list over stdio succeeded with no credentials; 42 tools listed in 9.4s. |
| maintenance | pass | 25 | Repo pushed 0 days before test; 1,163 GitHub stars. |
| docs | pass | 15 | README over 3,000 chars; install instructions present; mcpServers config example present. Check of the package's own README (README shipped in npm package). |
| license | pass | 10 | MIT (OSI-approved). |
Local-model readiness
Token cost (estimate): approx. 56457 tokens, cl100k estimate for 42 tools · about 689% of an 8k context. This is an estimate from our testing (counted with cl100k_base).
Small-model friendly (schema heuristic, not a model result): unknown.
Not tested
Small-model task runs: Not yet tested.
What we tested and what we didn't
Tested on 2026-11-11
- Install from the registry
- We connected with no credentials and asked for its tool list: it listed 42 tools (Method details: MCP
initializethentools/list) - Maintenance signals (last push, archived/deprecated status)
- Docs (README length, install and config example)
- License (OSI-approved or not)
- Token cost (estimate)
Not tested
- Security: not audited (no code review, no permission or data-flow analysis)
- Real tasks (no functional task runs yet)
- Behaviour with real credentials or a real account
- Performance, rate limits or load
- Correctness of results beyond the listed tasks
Methodology: how we test. A high score means it installs and responds, not that giving it access to your data carries no risk.
Known security issues
Checked on 2026-11-11 for version 2.37.5 against OSV, GitHub advisories, GitHub repository advisories. Scope: the package itself; dependencies not scanned.
No published advisories found in OSV and GitHub advisories for @cloudbase/cloudbase-mcp 2.37.5 as of 2026-11-11. This is not a security audit.
Monthly roundup: MCP security issues, October 2026.
Tool list changes
Baseline recorded from the 2026-11-11 test run; changes appear after the next test.
Snapshot hash (fingerprint of the tool list)
fe18002216a7: SHA-256 of the canonical tool names, descriptions and input schemas. If it changes, the tool list changed.
Raw test record (JSON)
{
"name": "@cloudbase/cloudbase-mcp",
"version": "2.37.5",
"registry": "npm",
"status": "working",
"tested": "2026-11-11",
"tools_count": 42,
"deprecated": false,
"archived": false,
"tests": {
"install": [
"pass",
20,
"`npm install @cloudbase/cloudbase-mcp` (Node 20, Linux) succeeded in 0s."
],
"handshake": [
"pass",
30,
"MCP `initialize` + `tools/list` over stdio succeeded with no credentials; 42 tools listed in 9.4s."
],
"maintenance": [
"pass",
25,
"Repo pushed 0 days before test; 1,163 GitHub stars."
],
"docs": [
"pass",
15,
"README over 3,000 chars; install instructions present; `mcpServers` config example present. Check of the package's own README (README shipped in npm package)."
],
"license": [
"pass",
10,
"MIT (OSI-approved)."
]
}
}Install
npx -y @cloudbase/cloudbase-mcp
Pin the version we tested
npx -y @cloudbase/cloudbase-mcp@2.37.5
tested 2026-11-11. Newer versions may differ and were not tested by us.
{
"mcpServers": {
"cloudbase-mcp": {
"command": "npx",
"args": [
"-y",
"@cloudbase/cloudbase-mcp@2.37.5"
]
}
}
}Tools listed
auth, callCloudApi, deployApply, deployBuild, deployPlan, downloadTemplate, envDomainManagement, manageAgents, manageAppAuth, manageApps, manageCloudRun, manageDataModel, manageEnv, manageFunctions, manageGateway, manageHosting, manageLogs, manageMysqlDatabase, managePermissions, managePgDatabase, manageStorage, modifyDataModel, prepareFeedback, queryAgents, queryAppAuth, queryApps, queryCloudRun, queryEnv, queryFunctions, queryGateway, queryHosting, queryLogs, queryMysqlDatabase, queryPermissions, queryPgDatabase, queryPgStorage, queryStorage, readNoSqlDatabaseContent, readNoSqlDatabaseStructure, searchKnowledgeBase
Tool history: captured Nov 11, 2026. All tool history.
Quick config
{
"mcpServers": {
"cloudbase-mcp": {
"command": "npx",
"args": [
"-y",
"@cloudbase/cloudbase-mcp"
]
}
}
}Add to config Opens the config generator with this server selected.
Setup
- Install. Run
npm install @cloudbase/cloudbase-mcp(Node 20). This is the exact command we ran on 2026-11-11. - Configure. Add the mcpServers entry below to your MCP client config.
- Verify. Restart the client and check that tools/list returns tools (42 in our test).
{
"mcpServers": {
"cloudbase-mcp": {
"command": "npx",
"args": [
"-y",
"@cloudbase/cloudbase-mcp"
]
}
}
}Test history
- 2026-11-11: New
Related: Best cloud MCP servers · Which MCP servers use the most context?
FAQ
Is CloudBase MCP deprecated?
No. @cloudbase/cloudbase-mcp was not deprecated or archived when we last tested it on 2026-11-11.
What replaces CloudBase MCP?
Nothing; CloudBase MCP is not deprecated as of 2026-11-11.
Does CloudBase MCP need an API key?
It connects and lists 42 tools without a key, but its tool calls need one.
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