APIClaw
APIClaw is an MCP server that gives AI agents unified access to 18 direct-call providers (AI/LLM, voice, SMS, email, search, code, dev tools), 1,636 open APIs, and 22,392+ discoverable APIs — with built-in authentication, rate limiting, and usage tracking.
API Discovery: Search APIs via natural language, browse by category, and retrieve detailed specs (including compact formats to save context tokens)
Direct API Calls: Execute calls to 18 pre-configured providers without managing API keys or configuration
Capability-Based Routing: Describe an action (e.g., "send SMS", "search web") and APIClaw automatically selects the best provider with fallback support
API Chaining: Build multi-step workflows with sequential, parallel, conditional, and loop execution — including async chains, webhooks, per-step retry logic, and resume-from-failure
Dry-Run Testing: Preview any API call without real execution to test and debug workflows
Workspace & Billing: Register for a workspace, monitor usage/costs/rate limits, manage team access, check credit balance, add credits, purchase API access, and set up metered pay-per-call billing
Multi-Client Support: Works with Claude Desktop, Claude Code, Cursor, Windsurf, Cline, Continue, and Codex (OpenAI)
Allows privacy-focused web searching to retrieve information without tracking through the Brave Search API.
Provides real-time speech-to-text and transcription capabilities across multiple languages.
Enables high-quality text-to-speech generation, realistic voices, and voice cloning in 29 languages.
Provides tools to manage repositories, issues, pull requests, and actions through the GitHub API.
Provides access to Google Search data and real-time SERP results for information retrieval.
Provides access to over 1,000 machine learning models for tasks including image, video, and audio generation.
Enables programmatic sending of emails with high deliverability through a developer-friendly API.
Facilitates global SMS and programmable messaging services across more than 180 countries.
🦞 APIClaw
The API layer for AI agents. 18 providers → 1000s of capabilities. Workspace → Dashboard → Ship.
The Platform
apiclaw.com — Your workspace for API-powered agents.
Layer | What You Get |
Workspace | Manage API keys, team access, usage analytics |
Dashboard | Real-time logs, cost tracking, rate limit monitoring |
18 Direct Call Providers | 1000+ ML models, 100+ LLMs, voice, SMS, email — zero config |
1,636 Open APIs | Curated public APIs, instant access |
22,392 Discovery | Full API index for exploration |
One mcp-install connects your agent to all of it.
Quick Start
No signup required — just install and use.
# Install
npx @nordsym/apiclaw mcp-install
# Restart your AI assistant
# Immediately use any API (10 calls/week)
# Optional: Register for 50 calls/week
register_owner({ email: "you@example.com" })That's it. All 18 Direct Call providers work instantly through NordSym's infrastructure. Your API calls are proxied, authenticated, and rate-limited automatically.
Usage Limits:
Anonymous: 10 calls/week (no registration)
Registered: 50 calls/week (5x more)
Upgrade: Contact us for higher limits
Start calling APIs immediately. No setup, no API keys, no configuration.
What You Get
Instant API Access
Tell your agent what to do. APIClaw handles auth, rate limits, and execution.
18 Direct Call Providers
Premium APIs ready for production. Voice, AI, SMS, Email, Search — all pre-configured.
1,636 Open APIs
Public APIs indexed and callable. Weather, crypto, sports, government data.
22,392 Discovery APIs
The full catalog. Search, explore, find the right API for any task.
Workspace Dashboard
See every call, track costs, monitor usage. One place for your entire team.
18 Direct Call Providers
Pre-configured, production-ready APIs. Just call them.
🤖 AI & LLM
Provider | Capability |
Replicate | 1,000+ ML models — image gen, video, audio, any model |
OpenRouter | 100+ LLMs — GPT-4, Claude, Llama, Mistral, unified API |
Groq | Ultra-fast inference — Llama, Mixtral at 500+ tokens/sec |
Mistral | Mistral models — Mistral Large, Medium, Small |
Cohere | Enterprise NLP — embeddings, rerank, generate |
Together AI | Open models — fine-tuning, fast inference |
Stability AI | Image generation — Stable Diffusion, SDXL, SD3 |
🎤 Voice
Provider | Capability |
ElevenLabs | Text-to-speech — 29 languages, voice cloning, realistic voices |
Deepgram | Speech-to-text — real-time transcription, 36 languages |
AssemblyAI | Audio intelligence — transcription, summarization, sentiment |
📱 SMS
Provider | Capability |
46elks | Swedish SMS API — simple, reliable, great pricing |
Twilio | Global SMS — 180+ countries, programmable messaging |
Provider | Capability |
Resend | Developer email — simple API, great deliverability |
🔍 Search
Provider | Capability |
Brave Search | Web search — privacy-focused, no tracking |
Firecrawl | Web scraping — extract content, convert to markdown |
Serper | Google Search API — SERP data, real-time results |
💻 Code
Provider | Capability |
E2B | Code sandbox — run any code safely, isolated environments |
🛠️ Dev
Provider | Capability |
GitHub | GitHub API — repos, issues, PRs, actions |
1,636 Open APIs
Public APIs, instantly callable. No API keys needed.
Categories:
Weather & Environment
Finance & Crypto
Sports & Entertainment
Government & Public Data
Transportation
Food & Recipes
Science & Education
Browse at apiclaw.com/open-apis
22,392 Discovery APIs
The full index. Every API we've cataloged.
Use discover_apis to search:
"Find APIs for flight tracking"
"Show me cryptocurrency price APIs"
"What APIs exist for recipe data?"Browse at apiclaw.com/discover
Installation
One-Line Install (Recommended)
npx @nordsym/apiclaw mcp-installAuto-detects Claude Desktop or Claude Code. Configures MCP. Done.
Options
# Target specific client
npx @nordsym/apiclaw mcp-install --client claude-desktop
npx @nordsym/apiclaw mcp-install --client claude-code
# Preview without applying
npx @nordsym/apiclaw mcp-install --dry-runCodex (OpenAI) Setup
Use Codex's native MCP manager:
# Recommended for local APIClaw development (strict stdio-safe)
codex mcp add apiclaw -- node /absolute/path/to/apiclaw/dist/index.js
# Example
codex mcp add apiclaw -- node /Users/gustavhemmingsson/Projects/apiclaw/dist/index.js
# Verify
codex mcp get apiclaw
codex mcp listGlobal Install
npm install -g @nordsym/apiclaw
apiclaw setupCommands
Command | Description |
| Quick setup for Claude Desktop/Code |
| Full setup with all MCP client options |
| Diagnose your APIClaw installation |
| Restore config from backup |
| Remove APIClaw from clients |
setup
Full-featured setup for any MCP client.
npx @nordsym/apiclaw setup --client cursor
npx @nordsym/apiclaw setup --client windsurf
npx @nordsym/apiclaw setup --client cline
npx @nordsym/apiclaw setup --workspace ws_abc123
npx @nordsym/apiclaw setup --wizarddoctor
Check your setup.
npx @nordsym/apiclaw doctor🔍 APIClaw Health Check
========================
System:
✓ Node.js v20.11.0
✓ npm 10.2.4
MCP Clients:
✓ Claude Desktop - Configured ✓
✓ Cursor - Configured ✓
Status: All systems operational ✓restore
Restore from backup.
npx @nordsym/apiclaw restore --list
npx @nordsym/apiclaw restoreuninstall
Remove APIClaw.
npx @nordsym/apiclaw uninstall
npx @nordsym/apiclaw uninstall --client cursorMCP Clients
Client | macOS | Windows | Linux |
Claude Desktop | ✅ | ✅ | ✅ |
Claude Code | ✅ | ✅ | ✅ |
Cursor | ✅ | ✅ | ✅ |
Windsurf | ✅ | ✅ | ✅ |
Cline | ✅ | ✅ | ✅ |
Continue | ✅ | ✅ | ✅ |
Codex (OpenAI) | ✅ | ✅ | ✅ |
Claude Desktop
macOS:
~/Library/Application Support/Claude/claude_desktop_config.jsonWindows:
%APPDATA%\Claude\claude_desktop_config.jsonLinux:
~/.config/Claude/claude_desktop_config.json
Cursor
macOS:
~/Library/Application Support/Cursor/User/globalStorage/cursor.mcp/config.jsonWindows:
%APPDATA%\Cursor\User\globalStorage\cursor.mcp\config.json
Windsurf
All:
~/.codeium/windsurf/mcp_config.json
Cline
macOS:
~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
Continue
All:
~/.continue/config.json
Codex (OpenAI)
All:
~/.codex/config.toml(managed viacodex mcp add/get/list/remove)
How It Works
{
"mcpServers": {
"apiclaw": {
"command": "npx",
"args": ["-y", "@nordsym/apiclaw"]
}
}
}Your agent launches APIClaw as an MCP server
APIClaw exposes APIs as callable tools
Agent calls
send_sms,generate_image,search_webAPIClaw handles auth, rate limits, execution
Results flow back to the agent
Proxy Architecture
All 18 Direct Call providers work through NordSym's infrastructure.
You don't manage API keys. You don't configure auth. You don't worry about rate limits.
How it works:
Your API calls go through NordSym's proxy
We handle authentication with each provider
Usage is tracked and limited (fair use)
10 calls/week anonymous, 50 with registration
No setup required — just install and use
What you get:
Instant access to 18 premium APIs
No API key management
Automatic rate limiting
Usage analytics in your workspace
Production-ready from day one
Want higher limits? Upgrade at apiclaw.com or contact us.
Dry-Run Mode
Test without making real API calls.
call_api({
provider: "46elks",
action: "send_sms",
params: { to: "+46701234567", message: "Test" },
dry_run: true
})Returns the exact request that would be sent, with mock response data.
Links
Platform: apiclaw.com
Docs: apiclaw.nordsym.com/docs
GitHub: github.com/nordsym/apiclaw
npm: @nordsym/apiclaw
MIT © NordSym
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