Engineering deep-dives, product updates, and lessons from building retrieval for AI agents.https://withcharcoal.com/https://withcharcoal.com/blog/introducing_charcoal/https://withcharcoal.com/blog/introducing_charcoal/We raised $2.5M led by Mischief to build the retrieval API purpose-built for AI agents.Sun, 15 Feb 2026 00:00:00 GMT