Best Call AI Skills & MCP Servers

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

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

Persistent memory for Claude Code and Pi with native Skills integration, automatic capture, failure learning, and project scoping

29 developer utilities as an MCP server — JSON repair, SQL format, hash, encode/decode, UUID, regex, CSV, subnet calc, diagram generation, git diff parsing, DB schema parsing, JSON schema validation, and more. No API keys. Runs locally.

MCP server providing persistent cross-session memory for AI agents — store, recall, search, and summarize memories across agent boundaries

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

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

VettIQ MCP server — security scanning for AI-generated code, callable from Cursor, Claude Code, and any MCP-compatible agent.

Codebase graph analysis for AI agents — AST + call graph + type graph + hybrid semantic search via MCP

Autonomous demo agent for SaaS products — MCP server for Claude Code, Claude Desktop, Cursor, Windsurf, and any MCP-compatible agent. Discovers, integrates, and runs AI-guided product demos. Starts in onboarding mode with no API key so the calling agent c

Postals — the agent skill that turns any AI into a direct mail machine. One MCP tool call mails a physical handwritten postcard (real pen-and-ink, USPS 3-5 day delivery, $4.99 per card). Works with Claude Desktop, Cursor, Claude Code, OpenClaw, n8n, LangC

Pay-per-fetch MCP server. Agent wallet pays $0.005 USDC on Base (or XRP on XRPL Mainnet) per call via the x402 protocol. Returns clean markdown. No accounts, no API keys, no humans in the loop.

Agent-optimized MCP server for extracting clean, structured content from web pages - built specifically for AI agents that need LLM-friendly web data

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

Complete codebase intelligence — loads treesitter, symbol, outline, callgraph, depgraph, refs.

Call graph analysis — callers, callees, call chains.

Your AI forgets everything between sessions. cachly fixes that permanently. Persistent memory + causal root-cause analysis for Claude Code, Cursor, Copilot & Windsurf. Learns from every bug fix, git commit, and CI run automatically. Arrives pre-briefed. P

Code intelligence MCP server. Indexes your repository into a queryable call graph for AI coding agents.

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.

Lightweight adapter for WebMCP — define, register, and manage AI agent tools with built-in schema validation and error handling.

MCP server with four cognitive harness tools (harness_reasoning, harness_code, harness_anti_deception, harness_memory) that AI agents call before generating. Two install paths: stdio via `npx -y ejentum-mcp` (Claude Desktop, Cursor, Windsurf, Codex CLI, C

MCP server for Obsidian vaults — read, write, search, and surgically edit notes, tags, and frontmatter via the Local REST API plugin. STDIO or Streamable HTTP.

MCP server exposing Luxxon as agent-callable tools — open live sessions at any lat/lng, fetch frames, and read settlement.

MCP server for SwarmApi: 9 pay-per-call tools for SEC filings, company news, insider transactions, jobs, web search, GitHub repos, and npm/PyPI/cargo package security. Payments settled per request in USDC on Base via x402.