# 12 best MCP.so alternatives (2026)

> 12 MCP.so alternatives on the same Agents & MCP shelf (2026). MCP.so is free on Web.

Canonical: https://www.isthereanytool.app/alternatives/mcp-so

MCP.so is filed as free Coding Agents & AI IDEs software, best for broad MCP marketplace search. Broad popular index for awesome MCP servers. We grouped picks by shared shelf tags and our own comparisons. This page lists 12 tools shoppers compare against MCP.so in our catalog — not vendor rankings.

## Alternatives

1. [Official MCP Registry](https://www.isthereanytool.app/tool/official-mcp-registry) — Source of truth backed by MCP project contributors
2. [PulseMCP](https://www.isthereanytool.app/tool/pulsemcp) — Quality-over-quantity MCP discovery vs giant crawl indexes
3. [Awesome MCP Servers](https://www.isthereanytool.app/tool/awesome-mcp-servers) — Still the skimmer index before marketplace UIs
4. [Serena MCP](https://www.isthereanytool.app/tool/serena-mcp) — Token-efficient codebase MCP hyped for refactoring agents
5. [Smithery](https://www.isthereanytool.app/tool/smithery) — Docker Hub of MCP—fastest path from find to run
6. [Glama](https://www.isthereanytool.app/tool/glama) — Superset of official registry with security/quality scoring
7. [Composio](https://www.isthereanytool.app/tool/composio) — Production agent tooling—auth, RBAC, audit—not just raw servers
8. [Browserbase](https://www.isthereanytool.app/tool/browserbase) — Default cloud browsers for Operator-style agents
9. [LangGraph](https://www.isthereanytool.app/tool/langgraph) — Standard for checkpointed agent workflows + tool graphs
10. [CrewAI](https://www.isthereanytool.app/tool/crewai) — Fastest path to multi-agent crews that call MCP tools
11. [Mastra](https://www.isthereanytool.app/tool/mastra) — TS-native agent tooling that both consumes and publishes MCP
12. [Firecrawl](https://www.isthereanytool.app/tool/firecrawl) — Go-to scraping toolkit wired into Claude/Cursor via MCP

[Full MCP.so record](https://www.isthereanytool.app/tool/mcp-so)