AI Agent Tools
The MCP servers, agent skills, coding agents and frameworks we actually use when building AI systems. Star counts are refreshed from the GitHub API by a weekly job.
Everyday utilities
The ones you reach for daily. All run in the browser; nothing is uploaded.
JWT Decoder — Runs Locally, Nothing Is Uploaded
Inspect claims, check expiry, verify locally
Open →JSON Formatter, Validator and Converter (YAML / TypeScript)
Format, validate, convert to YAML and TS
Open →Timestamp Converter — Unix, ISO 8601 and Time Zones
Unix, ISO and time zones, three ways
Open →Domain calculators
Estimating and choosing for AI cost, streaming and data platforms.
LLM API Cost Calculator — Monthly Bill by Token Volume
Compare monthly token bills across providers
Open →Video Bitrate, Bandwidth and Storage Estimator
Bitrate, ABR ladder storage and CDN traffic
Open →Lakehouse Table Format Picker: Iceberg, Hudi or Delta Lake
A recommendation based on writes and engines
Open →Token Counter and Context Budget Estimator
Token count, context fill and per-call cost
Open →Parquet vs CSV: Size, Scan Volume and Athena Cost
What columnar storage actually saves you
Open →LLM Comparison Table: Price, Context and Capabilities
Price, context and capabilities in one table
Open →Data updated 2026-08-17 · GitHub API
Personal AI assistant that runs on any OS and messaging platform.
Official public repository of Agent Skills for Claude.
The agent engineering platform — chains, tools, and integrations.
$ pip install langchain Anthropic's agentic coding tool that lives in your terminal and understands your codebase.
$ npm install -g @anthropic-ai/claude-code Open-source AI agent that brings Gemini into your terminal.
$ npm install -g @google/gemini-cli The largest community-curated collection of MCP servers.
Official reference implementations of Model Context Protocol servers.
AI-driven development platform — agents that write code, run commands, and browse the web.
Autonomous coding agent as an SDK, IDE extension, or CLI assistant.
Up-to-date code documentation for LLMs and AI code editors, served over MCP.
$ npx -y @upstash/context7-mcp Framework for orchestrating role-playing, collaborative AI agents.
$ pip install crewai Curated skills, hooks, slash-commands, and agent orchestrators for Claude Code.
AI pair programming in your terminal, with strong git integration.
$ pip install aider-chat Open-source coding agent and IDE assistant platform.
GitHub's official MCP server — repos, issues, PRs, and Actions for agents.
Lightweight framework for multi-agent workflows.
$ pip install openai-agents Agent2Agent — open protocol for communication between opaque agents.
Google's code-first toolkit for building, evaluating, and deploying AI agents.
$ pip install google-adk Open-source MCP servers for AWS services — docs, CDK, cost analysis, and more.
Specification and documentation for the Model Context Protocol.
Open-source SDK for building production agent harnesses (used by AWS).
Manage Cloudflare Workers, KV, R2, and D1 from AI agents.
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