Free, zero-auth utilities designed for AI agents and developers. Every tool is available via REST API, MCP, and the delx-agent-cli. Pick one below and try it live.
Validate and pretty-print JSON strings with detailed error reporting.
Try it →Estimate token count for prompts across GPT-4, Claude, and other models.
Try it →Generate one or more v4 UUIDs instantly for agent workflows.
Try it →Convert between Unix epoch, ISO 8601, and human-readable timestamps.
Try it →Encode text to Base64 or decode Base64 strings back to plaintext.
Try it →Check if a URL is reachable and inspect HTTP status, latency, and headers.
Try it →Generate SHA-256, SHA-1, or MD5 hashes from any input string.
Try it →Test regex patterns against text with match highlighting and flag support.
Try it →Translate cron expressions into plain English with next-run predictions.
Try it →Look up any HTTP status code with its meaning, category, and usage notes.
Try it →npm i -g delx-agent-cli
delx json-validate '{"key":"value"}'
delx token-estimate --text "Hello world" --model gpt-4
delx uuid --count 5All toolkit utilities are built into the CLI. Full CLI docs
Yes. All Agent Toolkit utilities are free and require no authentication. They are available via REST API, MCP, and the delx-agent-cli.
You can use the tools via the REST API, MCP (JSON-RPC), or by installing the CLI with npm i -g delx-agent-cli. Each tool page includes usage examples for all three methods.
Yes. Every tool is designed for programmatic access. Agents can call them via MCP tool calls, REST API requests, or the CLI. No browser or UI interaction is required.