MCP Comparison · 2026
Circleback vs Fireflies.ai MCP Server
Comparing Circleback and Fireflies.ai as MCP servers? Circleback (chatgpt app) is best when sales-call summarization. Fireflies.ai (search meeting transcripts) is best when cross-meeting topic search. Both run as Model Context Protocol servers and can coexist in the same client. Updated 2026.
Side-by-side specs
Pulled from each MCP's verified fact sheet.
| Circleback | Fireflies.ai | |
|---|---|---|
| Primary function | ChatGPT App | Search Meeting Transcripts |
| Maintainer | Circleback | Fireflies.ai |
| Pricing | Free | Freemium |
| Setup complexity | Low · ~< 1 min | Low · ~2 min |
| Transport | Streamable HTTP | Streamable HTTP |
| Auth model | OAuth 2.1 | OAuth 2.1 |
| License | Proprietary | Proprietary |
| Language | — | — |
| Latest version | — | — |
| Compatible clients | ChatGPT | Claude, Cursor, ChatGPT, Any MCP-compatible client |
| Last verified | 2026-05-28 | 2026-06-11 |
Which one should you pick?
Decision rubric drawn from each MCP's documented strengths.
Choose Circleback
- Sales-call summarization
- CRM action-item lookup from past meetings
- Cross-meeting topic search ("what did the client say about pricing last quarter?")
Choose Fireflies.ai
- Cross-meeting topic search
- AI summaries on demand
- Pulling action items into other tools
Pick something else if…
- Teams not already on Circleback
- Live in-call assistance
Feature breakdown
Key capabilities each server ships out of the box.
Circleback
- Search and summarize Circleback meeting transcripts from ChatGPT
- Surface assigned action items by person or deal
- OAuth — no API key, billing stays on Circleback's side
- Listed in the official ChatGPT Apps directory
- Available on ChatGPT Free, Go, Plus, and Pro plans
Fireflies.ai
- Official remote MCP at `https://api.fireflies.ai/mcp`
- Listed in the Claude Connector directory (OAuth, one-click)
- API-key option via `mcp-remote` for self-managed clients
- Search across the full transcript corpus
- Returns AI summaries, action items, and topic timestamps
Install snippets
Open the detail page for ready-to-paste config for every major client.
FAQ
Circleback vs Fireflies.ai: which MCP server should I use?
Pick Circleback when sales-call summarization. Pick Fireflies.ai when cross-meeting topic search. Circleback is built for chatgpt app, while Fireflies.ai focuses on search meeting transcripts.
Can I run both Circleback and Fireflies.ai together?
Yes. MCP clients run each server as a separate process and surface every server's tools simultaneously, so you can install both and let your agent decide which to call. Be deliberate with auth scopes when stacking servers.
How fresh is this comparison?
Updated for 2026. Circleback's last verification: 2026-05-28. Fireflies.ai's last verification: 2026-06-11. We refresh detail-page facts on every catalog rebuild.
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