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ai.penholder/penholder

Preventive human-approval write-gate for AI agents: writes commit only after a human approves.

AI & MLv1.0.0

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Exa MCP Server: AI-Native Search for Claude and CursorExa built its search index for AI agents from the start, and its MCP server reflects that: four tools, a local and a hosted deployment path, and a code-search tool most web-search servers don't ship. Here's the real breakdown, verified against Exa's own docs.Read articlePerplexity MCP Server: The 4 Tools Explained (2026)Perplexity ships one of the most widely used MCP servers in the ecosystem, yet its own CTO has said the company is moving away from MCP internally. Here's the real tool breakdown, and the tension nobody covering Perplexity's MCP server usually mentions.Read articleElevenLabs MCP Server: Voice Cloning and TTS via ClaudeThe ElevenLabs MCP server puts text-to-speech, voice cloning, and transcription directly into Claude's toolset. This guide covers what the server exposes, how to install it, and where it fits next to MCPFind's media and ai-ml category servers.Read article