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Web page reader for DeepSeek Harness (dsh): fetch any URL and extract clean Markdown / plain text plus a link inventory - zero runtime dependencies, read-only

Unit conversion toolbox for DeepSeek Harness (dsh): 14 categories incl. typography (px/pt/em/rem) and fuel economy (mpg ↔ L/100km), zero runtime dependencies

Independent plugin index for DeepSeek Harness (dsh) — curated directory of community plugins, updated daily

Network diagnostics toolbox for DeepSeek Harness (dsh): DNS lookup, ICMP ping, TCP port check, TLS cert check, traceroute, public IP — six read-only probes, zero runtime dependencies

Money math toolbox for DeepSeek Harness: loan payment with amortization, compound growth, and rate conversion — zero runtime dependencies

Semantic versioning toolbox for DeepSeek Harness (dsh): parse, compare and range-check semver strings (^ ~ >= <= x-ranges, hyphen, ||) — zero runtime dependencies, pure logic

Color conversion toolbox for DeepSeek Harness (dsh): parse/convert any CSS color (hex, rgb, hsl, hwb, named), WCAG contrast ratios with AA/AAA verdicts, named-color lookup — zero runtime dependencies, pure math

IP & subnet math toolbox for DeepSeek Harness: IPv4 subnet layouts, CIDR summarization, IPv4/IPv6 parsing with RFC 5952 normalization and IANA classification — zero dependencies