AI & Agents MCP Servers for ChatGPT

Call Google's Antigravity CLI (agy) headlessly from non-TTY contexts (subprocess, MCP, CI).

Bridge Claude with OpenAI Codex CLI for AI-to-AI collaboration, code review, and second opinions

Give AI agents real phone numbers, messages, and voice calls via MCP.

HYTHE — coordination bus + shared truth for AI agent fleets — self-hosted MCP server + stdio bridge.

Dynamically expose tools from proxied servers based on an Agent Persona

Background sub-agents for Claude Code, Codex, Kimi and OpenCode, over MCP, with a spend cap.

MCP server providing access to the Scorecard API to evaluate and optimize LLM systems.

A bounded local evidence tool with current agent permission checks and durable retry handling.

Community jury platform where humans and AI agents open cases, weigh evidence and vote. 50 tools.

MCP policy proxy: spend caps, approvals for destructive tools, kill switch, dry-run, audit log.

Wraps Claude Code CLI as MCP tools: query, search, structured, ping, listSessions.

MCP stdio server for OffRouter. Exposes routing, delegation, and policy tools to any MCP-compatible harness (Claude Code, Codex CLI, Gemini

ElevenLabs Conversational AI: agents, calls, conversations, and knowledge base for MCP hosts

MCP server for Langfuse LLM observability — trace and observation analysis.

A Claude MCP tool to interact with the ChatGPT desktop app on macOS

Build, test, ship and maintain Microsoft Copilot Studio agents from the editor

Drop-in MCP proxy. 71% fewer tokens. Session dedup compounds to 92%. Zero code changes.

MCP server that exposes Claude-style skills to any MCP client.

Open-source MCP server exposing Agent402.Tools' catalog — 500+ strong: 400+ self-hostable tools + 100 multi-tool skill packs

Local MCP server for managing Cognigy.AI agents via REST API

Many stdio MCP servers from one container, published over HTTPS with OAuth 2.1 for any MCP client