Best Calls AI Skills & MCP Servers

GitHub Action for evaluating MCP server tool calls using LLM-based scoring

MCP server for the Smallest AI platform — manage agents, debug calls, view analytics from your IDE

MCP server for Gong.io - access calls, transcripts, and users

OpenClaw-ready CLI for Ring-a-Ding AI phone calls

Transparent proxy CLI for MCP servers — tracks tool calls, latency, and cost via MCPSpend.

Model Context Protocol server for the PropLine player props betting odds API. Exposes live odds, prop resolution, cross-book +EV, scores, and box-score stats as tool calls for Claude Desktop, Claude Code, and any MCP-compatible client.

HITL infrastructure for AI agents. Your agent calls awaitHuman(), a human reviews via Slack/email/dashboard, agent resumes with a typed response.

MCP stdio server for AI TTS Microservice — connects AI agents, IDEs, and MCP-compatible clients to the unified TTS API via tool calls

MCP server for AI agents to evaluate consequences before destructive actions. Analyzes Terraform plans, shell commands, and MCP tool calls.

MCP server for AgentCall: phone numbers, SMS, OTP, AI voice (inbound + outbound) with 12 languages plus auto-detect, saved outbound agents per number (set/get/clear), retry-safe outbound calls via useSavedAgent + idempotencyKey for CSV runners, BYOK (brin

Vexp — Context Engine for AI Coding Agents. Pre-indexes your codebase into a dependency graph and delivers ranked context to any MCP-compatible agent. 58% lower cost per task, 90% fewer tool calls (SWE-bench Verified). Works with Claude Code, Cursor, Copi

Pre-execution governance for AI agents. Intercepts MCP tool calls before execution with deterministic blocking, human-in-the-loop holds, and behavioral drift detection.

Reduce Claude Code token usage by 70-90% with cross-session memory and four-layer optimization: semantic codebase indexing, PostToolUse tool compression, turn summarization, and session consolidation. MCP server powered by Ollama — zero API calls, runs en

MCP server that combines Read+Edit operations into single tool calls — 80-95% fewer tool calls for multi-file refactoring

Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.

Decode VINs, search recalls, complaints, crash ratings, and investigations via MCP. STDIO or Streamable HTTP.

Turn editor chat history (Cursor, Claude Code, Windsurf, Copilot) into typed Markdown decisions + AGENTS.md rules — local-first, git-trackable, zero remember() calls.

MCP Hub is a local web UI for testing LLMs and MCP servers. Connect providers, inspect tool calls, and run multi-turn chats in one place.

Pre-execution governance for AI agents. Intercepts MCP tool calls before execution with deterministic blocking, human-in-the-loop holds, and behavioral drift detection.

MCP server for OsmTalk — make phone calls via Claude Desktop using voice AI agents

MCP quality scanner and tool discovery for autonomous agents. Search 27,843+ indexed tools, check AEO (answer-engine-optimization) readiness scores, validate MCP server quality, find alternatives — the standard tool-validation layer before any agent calls

MCP (Model Context Protocol) server for Grackle — translates MCP tool calls to ConnectRPC

TES SDK — LLM observability and lifecycle tracking via Pentatonic Thing Event System. Track token usage, tool calls, and conversations. Manage things through event-sourced lifecycle stages with AI enrichment and vector search.

MCP server for Gong - search calls, get transcripts, attendees, next steps and more