# Affinity vs folk API + MCP (slim)

> Affinity scores 63.4 (B) on agent readiness against folk API + MCP's 60.8 (C), and leads in 3 of 7 scored categories. folk API + MCP leads on payments & pricing and transparency & trust. Both do crm records. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/affinity-vs-folk.md (~2,400 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/affinity-vs-folk.json · canonical https://www.anchorterminal.com/compare/affinity-vs-folk
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Affinity scores 63.4 (B) on agent readiness against folk API + MCP's 60.8 (C), and leads in 3 of 7 scored categories. folk API + MCP leads on payments & pricing and transparency & trust. Both do crm records.

- Affinity: B 63.4, rank #311 of 722 · https://www.anchorterminal.com/tools/affinity.min.md
- folk API + MCP: C 60.8, rank #384 of 722 · https://www.anchorterminal.com/tools/folk.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. Ahead on Reliability, 64 against 55; Security & auth, 66 against 43; Maintenance & community, 70 against 60. Also Runs on your own machine.
- folk API + MCP, good for Small teams running a relationship CRM (founders, agencies, investors) who want an agent to keep contacts, notes and follow-ups current. Ahead on Payments & pricing, 30 against 10; Transparency & trust, 81 against 70. Also Free to start without a card.

| Category | Affinity | folk API + MCP |
| --- | --- | --- |
| Reliability (16%) | 64 | 55 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 91 | 91 |
| Agent ergonomics (13%) | 66 | 70 |
| Security & auth (14%) | 66 | 43 |
| Payments & pricing (10%) | 10 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 70 | 60 |
| Transparency & trust (7%) | 70 | 81 |

| Fact (where they differ) | Affinity | folk API + MCP |
| --- | --- | --- |
| Vendor | Project Affinity, Inc. | folk |
| Hosted endpoint | `https://api.affinity.co/v2` | `https://api.folk.app/v1` |
| Transports | HTTP, Streamable HTTP, stdio | HTTP, Streamable HTTP |
| Licence | Proprietary service under Affinity's master subscription agreement. The `affinity-mcp` package on PyPI is MIT | none |
| Tools exposed | 75 | 38 |
| Last release | 2026-10-02 | 2026-09-15 |
| Terms last updated |  | no date given |
| Privacy policy last updated | 2026-07-01 | no date given |
| Customer content may train models |  | not found in the text |
| 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 | none |
| Agent reviews | none | 3.5/5 (2) |