API Integration
| Server | Language | Stars | Downloads |
|---|---|---|---|
| ToolAPI Free public MCP for AI agents — 193 tools, 44 workflows. No API key. | — | - | - |
| Toolbox Integrates with external APIs and services to provide command execution, Figma file interaction, and file operations, enhancing LLM capabilities for UI/UX design, file management, and service interactions. | Python | 30 | - |
| Toolcall 30 pay-per-call APIs for AI agents: compliance, trade, safety, web, data. USDC on Base via x402. | — | - | - |
| Tool Filter MCP MCP proxy server that filters tools from upstream MCP servers via regex-based deny list | TypeScript | - | - |
| Tool-Guardian-Proxy Safety execution proxy protecting clients during tool calls. | — | - | - |
| Toolora MCP Server 12 free tools: PDF, OCR, QR codes, audio transcription, URL scraping, Excel, Word. No key needed. | — | - | - |
| ToolPipe MCP Server 120+ developer utility tools for AI agents via Model Context Protocol | — | - | - |
| Toolrank # ToolRank MCP Server Score and optimize MCP tool definitions for AI agent discovery. The first ATO (Agent Tool Optimization) platform. ## Tools ### toolrank_score Analyzes MCP tool definitions and returns a ToolRank Score (0-100) measuring agent-readiness. Evaluates four dimensions: Findability (25%), Clarity (35%), Precision (25%), and Efficiency (15%). Returns per-tool scores, maturity level, specific issues found, and fix suggestions ranked by impact. ### toolrank_suggest Generates specific improvement suggestions for MCP tool definitions. Returns rewritten descriptions, improved schemas, and estimated score improvements. ## Install ```bash npx @toolrank/mcp-server ``` ## Links - Website: https://toolrank.dev - Framework: https://toolrank.dev/framework - Ranking: https://toolrank.dev/ranking - GitHub: https://github.com/imhiroki/toolrank - License: MIT | — | - | - |
| ToolRouter The OpenRouter for tools. One MCP connection gives any AI agent 254 hosted tools, pay per call. | — | - | - |
| @toolsdk.ai/google-analytics-mcp MCP server for Google Analytics Data API | TypeScript | - | - |
| @toolsdk.ai/mcp-server-google-analytics A MCP Server for Google Analytics Data API | TypeScript | - | - |
| Tools for Agents Decision Layer for AI Agents — 58+ tools, Advisor, MCP. Free key: POST /v1/register {}. | — | - | - |
| ToolSnap MCP Context-efficient microtools for AI agents. 33 tools total. Flagship fetch_extract: 98.1% median token reduction (53,820 → 2,001 tokens) — saves ~$0.156/call at Sonnet pricing vs loading raw HTML. Paid tools: web extraction, full-page screenshots, background removal (fal.ai rembg), keyword research (DataForSEO), PDF text extract, HTML-to-Markdown, page asset/link inventory, temporary file upload. 20 always-free utility tools: UUID, hash, Base64, URL encode/decode, JSON format/query, timestamps, text stats, regex extract, CSV/JSON query, RSS/sitemap parse, and more. Pricing: $0.02 USDC on Base via x402 (EIP-3009), or $0.01 prepaid (deposit ≥$0.50 USDC, off-chain debit, no per-call gas). First call free per wallet on most tools. Includes pay-proxy: local stdio bridge that auto-signs x402 challenges — any MCP client gains payment capability without code changes or API keys. | — | - | - |
| ToolTrust Scanner Scans MCP servers for prompt injection, data exfiltration, and privilege escalation vulnerabilities. | TypeScript | 16 | - |
| toolweave One MCP endpoint for Claude, GPT & Gemini: 100+ tools + no-code connectors + agent workers. | — | - | - |
| ToolYour Remote MCP: plan, run, verify for SEO/security/ship-gate. Same REST API key; 500 free credits/month. | — | - | - |
| @toomanycooks/mcp-server MCP server exposing the Too Many Cooks funding rates API to Claude Code, Codex, Hermes, and any MCP-compatible client. | TypeScript | - | - |
| Toon Memory Offline persistent memory for AI coding agents — 35 tools, 80% fewer calls, no LLM | TypeScript | - | - |
| TopAlternativesTo Compare software: verified pricing with its source and date, and ranked alternatives. | — | - | - |
| TopDeepLearning A list of popular github projects related to deep learning | Python | 6.4k | - |
| topgg-mcp MCP server for the Top.gg v1 API | TypeScript | - | - |
| TOP GUN GEO-Lens Brand visibility auditing across LLMs, AI search, and answer engines with GEO reports and scores. | — | - | - |
| TopicGate Secure local access to MQTT topics through MCP. | Python | - | - |
| TopoLift Negotiation Atom-grounded negotiation reasoning. Typed topology slot, inline citations, public dialect. | Python | - | - |
| Topos Structural code-quality tools for AI coding agents. | Python | - | - |