A pure-Python library that verifies LLM tool results and scalar claims against deterministic evidence contracts before agents report success. Runs locally with no runtime dependencies and supports CLI, API, and CI gates.
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Tool Evidence Guard · Pro
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Market density
20th pctile
13 competing vendors
Comparable listings · 30d
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Price spectrum · Pro plans · 3 of 7 providers priced · log scale · $25 → $50/mo
Agents MCP servers APIs◻ shaded = middle 50% · line = median (all types)Tool Evidence Guard has no comparable Pro price — not plotted
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