Tools by task

The 247 tools grouped by the job you are doing. A tool can appear in more than one collection.

JSON tools
19
Format, query, diff, validate and convert JSON, JSONL and the formats around it.
LLM pricing and token tools
16
Compare model prices, count tokens and estimate what a workload will cost.
AI agents and MCP servers
19
Generate, test and govern MCP servers, tool schemas and agent tool calls.
Agent skills, rules and memory files
16
Write, lint and ship skills, rules files and memory files for coding agents.
Prompt engineering and evaluation
17
Build, version, compare and test prompts, then grade the answers.
API development and debugging
25
Design, mock, call and debug REST, GraphQL, webhooks and streams.
Security, auth and secrets
17
Tokens, hashes, keys, passwords and the policies that guard them.
DevOps, containers and config
32
Dockerfiles, Kubernetes, CI, web servers, cron and environment files.
Frontend, CSS and design
28
Layouts, Tailwind, colour, motion and SVG with live previews.
Project setup and repo files
18
package.json, tsconfig, linters, ignore files, READMEs and releases.
Text, encoding and data utilities
30
Base64, URLs, Unicode, regex, timestamps, IDs, Markdown and formatters.
SEO and AI search visibility
10
Meta tags, robots.txt, sitemaps, llms.txt and how AI crawlers see a site.