SandBase
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Open-source CLI and local MCP bridge that connects AI agents to 2,000+ AI models through one account.
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Setup
Install SandBase in your MCP client (Claude Desktop, Cursor, Windsurf, and others).
Repository: https://github.com/sandbaseai/cli
Follow the installation instructions in the repository README, then restart your MCP client.
Give your AI agent superpowers. One command. 2,000+ AI models.
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Your AI coding assistant is smart, but it's trapped in a box. It can't search the web, check social media, generate images, or access real-time data — unless you wire up each API yourself.
SandBase changes that.One command connects your agent to 2,000+ AI models through theModel Context Protocol. No API keys to manage. No configuration headaches.
npx -y https://github.com/sandbaseai/cli/releases/download/v0.1.17/sandbaseai-cli-0.1.17.tgz connect
Approve the browser authorization once; each supported client can then discover, inspect, and run available SandBase models and APIs through the local MCP bridge.
Want to inspect compatibility before signing in or changing configuration? The currentv0.1.17GitHub releaseincludes a verified 25-client catalog:
npx -y https://github.com/sandbaseai/cli/releases/download/v0.1.17/sandbaseai-cli-0.1.17.tgz catalog --json
The npmlatesttag currently serves v0.1.14 while tokenless trusted publishing is being enabled. The GitHub release tarball is built from the immutablev0.1.17tag; its SHA-256 is published with the release.
For a security-focused walkthrough of client detection, MCP tools, and rollback, read the25-client SandBase CLI setup guide. AI agents and automated installers can use the concisellms-install.mdinstructions.
- SandBase Harness— self-hosted agent runtime with persistent sessions, sandbox isolation, approvals, audit, and replay.
- SandBase Agent Skills— 88 installable Skills for research, social intelligence, marketing, and business workflows.
Discover the bridge onMCPRepository,MCP Server Hub,MCP Server Spot, or theAwesome AI API Proxy. Install its verifiedsandbaseAgent Skill from skills.sh, or browse the versionedsandbaseai/sandbasesnapshot on Agent Skill Hub.
After connecting, just ask your agent naturally. It handles the rest.
The outputs below are illustrative examples of the interaction pattern. Live results, latency, availability, and pricing vary by provider and request; usesandbase_inspectbefore running a model or API to see its current schema and price.
"Search the web for React 19 new features"
Agent → SandBase Web Search → 10 results in 0.8s ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1. "React 19 is Here: What's New" — react.dev 2. "React 19 Compiler Deep Dive" — Dan Abramov's blog 3. "Migrating to React 19" — Vercel Engineering ...
"Get trending posts about AI on Twitter"
Agent → SandBase Twitter API → Top 10 posts ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1. @karpathy: "LLMs are the new CPUs..." (45K ❤️) 2. @emollick: "Agent benchmarks just crossed..." (12K ❤️) 3. @swyx: "The MCP ecosystem is growing fast..." (8K ❤️) ...
"Generate a minimalist logo for my startup 'NightOwl'"
Agent → SandBase Flux Image Gen → 1024x1024 PNG ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✓ Generated: nightowl-logo.png Style: Minimalist, dark theme Cost: $0.003 Time: 2.1s
"Scrape the pricing table from linear.app"
Agent → SandBase Firecrawl Scraper → Structured data ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ✓ Extracted 3 plans: Free: $0/mo — Up to 250 issues Standard: $8/user/mo — Unlimited issues + cycles Plus: $14/user/mo — Advanced features + analytics
"Use GPT-4o to review this pull request for issues"
Agent → SandBase GPT-4o → Analysis complete ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Found 2 issues: ⚠️ Race condition in useEffect (line 42) ⚠️ Missing error boundary around async component ✓ Type safety looks good ✓ Test coverage adequate
"Create a 5-second product demo video"
Agent → SandBase Kling Video Gen → Async processing ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⏳ Generating... (45s) ✓ Output: product-demo.mp4 (5s, 720p) Cost: $0.10
Preview the complete compatibility catalog without signing in or changing any files:
npx -y https://github.com/sandbaseai/cli/releases/download/v0.1.17/sandbaseai-cli-0.1.17.tgz catalog --json
# Connect all detected clients at once npx -y https://github.com/sandbaseai/cli/releases/download/v0.1.17/sandbaseai-cli-0.1.17.tgz connect # Or target one specific client npx -y https://github.com/sandbaseai/cli/releases/download/v0.1.17/sandbaseai-cli-0.1.17.tgz connect --client cursor
┌─────────────────┐ ┌───────────────┐ ┌────────────────────┐ │ Your Agent │ MCP │ Local Bridge │ HTTPS │ SandBase API │ │ (Cursor, etc.) │────────▶│ (on-demand) │────────▶│ 2,000+ AI models │ │ │◀────────│ │◀────────│ │ └─────────────────┘ └───────────────┘ └────────────────────┘
- Runconnect→ CLI opens browser auth → you approve
- API key saved locally (file permissions0600)
- MCP bridge configured for your client
- Agent calls tools on-demand. No daemon. No background process.
sandbase connect [--client <name>] # Authorize + configure sandbase doctor [--client <name>] # Health check sandbase unregister [--client <name>] # Remove configuration sandbase catalog --json # List all supported clients
MCP Tools (available to your agent after connecting)
Workflow your agent follows automatically:
1. sandbase_discover(q: "twitter search") → finds matching tools 2. sandbase_inspect(name: "twitter_timeline") → gets schema + pricing 3. sandbase_run(name: "twitter_timeline", ...) → executes and returns data
- Zero secrets in URLs or CLI args— OAuth device flow with PKCE
- Restricted file permissions— Credentials stored with0600
- Ownership-aware updates— Existing JSONC comments and user-managed MCP entries are preserved
- Exact rollback— On failure orunregister, only configuration owned by SandBase is removed
- Revoke anytime— One click in theSandBase Dashboard
npx -y https://github.com/sandbaseai/cli/releases/download/v0.1.17/sandbaseai-cli-0.1.17.tgz connect
Then ask your agent to do something it couldn't before.
If SandBase saves you setup time,star the repository— it helps more agent users discover the project.
- SandBase Platform
- Documentation
- CLI setup guide
- CLI deep dive:English·中文
- npm Package
- Dashboard
- Ask a question or share what you built
- Report a reproducible bug
- Propose an integration or improvement
- Contribute to SandBase CLI
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