Why hackers moved from MCP to A2A
1 hacker described this switch in public comments. Their words, with links to the originals.
What hackers said about the move
“In the past 1 year, I think I've moved from MCP to A2A to Agent <> MCP back again.”thallavajhula, 2026-06-18original comment ↗
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MCP vs A2A
| MCP | A2A | |
|---|---|---|
| Hackers who recommend | 2 | 1 |
| Hackers who criticize | 0 | 0 |
| Moved away from it | 1 | 1 |
| Moved to it | 1 | 1 |
Counts are distinct hackers in the sampled comments, not market share.
Criticism of MCP
No further criticism of MCP captured yet.
Praise for A2A
No further praise for A2A captured yet.