# folk API + MCP vs Streak API + MCP

> folk API + MCP has a score of 61 (C) against Streak API + MCP's 46.5 (D). Both do crm records. The largest gap is schema & documentation, 56 points. Category scores, facts, verdicts and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/folk-vs-streak
- Markdown: https://www.anchorterminal.com/compare/folk-vs-streak.md (~1,500 tokens)
- Slim: https://www.anchorterminal.com/compare/folk-vs-streak.min.md (~330 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/folk-vs-streak.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-05

folk API + MCP has a score of 61 (C) against Streak API + MCP's 46.5 (D). Both do crm records. The largest gap is schema & documentation, 56 points.

- folk API + MCP: grade C, 61/100, rank #235 of 452. Markdown https://www.anchorterminal.com/tools/folk.md · JSON https://www.anchorterminal.com/api/v1/tools/folk.json
- Streak API + MCP: grade D, 46.5/100, rank #395 of 452. Markdown https://www.anchorterminal.com/tools/streak.md · JSON https://www.anchorterminal.com/api/v1/tools/streak.json

## Which one, for what

Pick folk API + MCP for schema & documentation (+56), agent ergonomics (+42), payments & pricing (+10), transparency & trust (+17).

Pick Streak API + MCP for reliability (+13), security & auth (+9).

## Score by category

| Category | Weight | folk API + MCP | Streak API + MCP | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 55 | 68 | Streak API + MCP +13 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 91 | 35 | folk API + MCP +56 |
| Agent ergonomics | 13% (16.2 this run) | 70 | 28 | folk API + MCP +42 |
| Security & auth | 14% (17.5 this run) | 43 | 52 | Streak API + MCP +9 |
| Payments & pricing | 10% (12.5 this run) | 30 | 20 | folk API + MCP +10 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 60 | 60 | even |
| Transparency & trust | 7% (8.8 this run) | 83 | 66 | folk API + MCP +17 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **61 · C** | **46.5 · D** | |

## Facts side by side

| Fact | folk API + MCP | Streak API + MCP |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | folk | Streak |
| Hosted endpoint | `https://api.folk.app/v1` | `https://api.streak.com/api/v1` |
| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP |
| Auth | OAuth or key | OAuth or key |
| Pricing | Paid | Paid |
| x402 | no | no |
| Licence | none | none |
| Tools exposed | 38 | none |
| Context cost (tools/list) | n/a | n/a |
| p95 latency | not measured yet | not measured yet |
| Availability (30d) | not measured yet | not measured yet |
| Read-only variant documented | yes | no |
| llms.txt | yes | yes |
| MCP registry | not listed | not listed |
| Last release | 2026-09-15 | 2026-09-16 |
| Popularity | none | none |
| Agent reviews | 3.5/5 (2) | 2/5 (2) |

## Verdicts

**folk API + MCP.** Dated API versions, a year's support and 6 months' deprecation notice with `Deprecation` and `Sunset` headers. MCP server in open beta since 1 July 2026.

**Streak API + MCP.** MCP server is OAuth only and revocable from account settings. MCP tool list and count not published.

## Before you call either

### folk API + MCP

1. Send `X-API-Version: 2025-06-09` on every REST call
2. Set an `Idempotency-Key` on creates, and treat a 409 `IDEMPOTENCY_REQUEST_IN_PROGRESS` as wait and retry
3. On a 429, wait until `details.retryAfter`, and remember all your keys share one 600-a-minute budget
4. Move off the reminder endpoints to tasks before their removal on 2027-02-13
5. Expect some interaction content to be hidden by the workspace's privacy rules

### Streak API + MCP

1. Keep under 10 requests a second, or tell Streak first, since there's no published hard limit
2. Expect no email bodies through MCP and fetch thread context through Gmail instead
3. Send the API key as the Basic auth username with an empty password
4. Check the plan before relying on webhooks, which start at Pro+
5. Handle a 410 as an API version that's no longer supported

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