Short answers, pulled from the story.
Claymore debuted in Shueisha's Monthly Shonen Jump on the 6th of June 2001. After transferring to Jump Square in November 2007, it concluded on the 4th of October 2014, completing a thirteen-year run collected in twenty-seven volumes.
The 26-episode anime was produced by Nippon Television, D.N. Dream Partners, Avex Entertainment, and Madhouse. It was directed by Hiroyuki Tanaka and broadcast on Nippon TV from the 4th of April to the 26th of September 2007.
Claymore warriors are ranked from No. 1 to No. 47, with one warrior assigned to each of the island's 47 districts. Rankings are based on baseline Yoki potential, strength, agility, intelligence, sensing, and leadership, and they rise or fall relative to other warriors.
Both male and female warriors existed in the Organization's past, but only women consistently resisted the pull of awakening, a transformation likened in the series to sexual climax that turns warriors into super-Yoma called Awakened Beings. Because male warriors could not reliably resist, the creation of male Claymores stopped altogether.
A live-action television adaptation was announced in March 2025, with CBS Studios, Propagate Content, Masi Oka, and Shueisha listed as producers. It was described as in development at that time.
Carlo Santos at Anime News Network rated the seventh manga volume B, praising the action scenes while finding the drama occasionally detached. Theron Martin, also at Anime News Network, gave the artwork an A- across multiple volumes and wrote that the sixteenth volume restored the series to its strongest level since the twelfth.