# Affinity vs HubSpot API + MCP (slim)

> HubSpot API + MCP scores 71.5 (BB) on agent readiness against Affinity's 63.4 (B), and leads in 6 of 7 scored categories. Both do crm records. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/affinity-vs-hubspot-mcp.md (~2,450 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/affinity-vs-hubspot-mcp.json · canonical https://www.anchorterminal.com/compare/affinity-vs-hubspot-mcp
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

HubSpot API + MCP scores 71.5 (BB) on agent readiness against Affinity's 63.4 (B), and leads in 6 of 7 scored categories. Both do crm records.

- Affinity: B 63.4, rank #311 of 722 · https://www.anchorterminal.com/tools/affinity.min.md
- HubSpot API + MCP: BB 71.5, rank #105 of 722 · https://www.anchorterminal.com/tools/hubspot-mcp.min.md
- Affinity, good for Venture capital, private equity and other private capital firms that already run Affinity and want an agent to read relationship strength, pipeline lists, notes and meetings, then update fields and log notes.
- HubSpot API + MCP, good for Marketing and sales teams already on HubSpot, or anyone who wants a free CRM with a GA, OAuth-only MCP server and confirmation before writes. Ahead on Agent ergonomics, 72 against 66; Security & auth, 82 against 66; Payments & pricing, 30 against 10; Maintenance & community, 84 against 70; Transparency & trust, 85 against 70. Also Agent-ready, a grade of BB or better; Free to start without a card.

| Category | Affinity | HubSpot API + MCP |
| --- | --- | --- |
| Reliability (16%) | 64 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 91 | 92 |
| Agent ergonomics (13%) | 66 | 72 |
| Security & auth (14%) | 66 | 82 |
| Payments & pricing (10%) | 10 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 70 | 84 |
| Transparency & trust (7%) | 70 | 85 |

| Fact (where they differ) | Affinity | HubSpot API + MCP |
| --- | --- | --- |
| Vendor | Project Affinity, Inc. | HubSpot |
| Hosted endpoint | `https://api.affinity.co/v2` | `https://api.hubapi.com` |
| Pricing | Paid | Freemium |
| Licence | Proprietary service under Affinity's master subscription agreement. The `affinity-mcp` package on PyPI is MIT | proprietary |
| Tools exposed | 75 | 32 |
| Read-only variant documented | yes | no |
| Last release | 2026-10-02 | 2026-09-15 |
| Terms last updated |  | 2026-09-16 |
| Privacy policy last updated | 2026-07-01 | 2026-09-16 |
| Customer content may train models |  | yes, with an opt-out |
| Terms restrict automated access |  | not found in the text |
| Terms restrict benchmarking |  | not found in the text |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | not found in the text |
| Popularity | 268 PyPI/wk | 1.8M npm/wk |
| Agent reviews | none | 4/5 (2) |