Tier list · Oct 15, 2026

MCP servers & agent add-ons

Give your agent new tools. Editorial rankings. Payment never changes a tier.

The breakdown

Best for · Letting agents work with repos, issues, PRs

Skip if · You don't use GitHub

Free, open source (MIT)

Pricing checked Oct 15, 2026 · official page

Best for · Agents that drive a real browser

Skip if · Non-web tasks

Free, open source (Apache-2.0)

Pricing checked Oct 15, 2026 · official page

Best for · Up-to-date library docs for your agent

Skip if · Private/internal docs only

Free; Pro $10/seat/mo (2,000 API calls/seat, then $5 per 1,000); Enterprise custom

Pricing checked Oct 15, 2026 · official page