Merge vs Slack's native MCP: 2.9x more tools, zero unrecovered errors across 150 runs
shensi · x · 2026-11-04
Merge ran its MCP server against Slack's native MCP server on the same 10 Slack tasks, 150 times each:
- Merge exposes 2.9x as many Slack tools (78 vs 27)
- Merge recovered from every failed call (0 unrecovered errors); Slack's server had 15 dead-end runs
- Takeaway: tool coverage and error recovery in the integration layer directly determine agent task success
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