# Commerce Layer API + MCP vs WooCommerce API + MCP

> WooCommerce API + MCP has a score of 73 (BB) against Commerce Layer API + MCP's 63.9 (B). Both do commerce products. The largest gap is payments & pricing, 35 points. Category scores, facts, verdicts and agent notes side by side.

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- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-05

WooCommerce API + MCP has a score of 73 (BB) against Commerce Layer API + MCP's 63.9 (B). Both do commerce products. The largest gap is payments & pricing, 35 points.

- Commerce Layer API + MCP: grade B, 63.9/100, rank #192 of 452. Markdown https://www.anchorterminal.com/tools/commerce-layer.md · JSON https://www.anchorterminal.com/api/v1/tools/commerce-layer.json
- WooCommerce API + MCP: grade BB, 73/100, rank #64 of 452. Markdown https://www.anchorterminal.com/tools/woocommerce.md · JSON https://www.anchorterminal.com/api/v1/tools/woocommerce.json

## Which one, for what

Pick Commerce Layer API + MCP for security & auth (+9).

Pick WooCommerce API + MCP for reliability (+10), agent ergonomics (+19), payments & pricing (+35), transparency & trust (+17).

## Score by category

| Category | Weight | Commerce Layer API + MCP | WooCommerce API + MCP | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 70 | 80 | WooCommerce API + MCP +10 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 79 | 77 | Commerce Layer API + MCP +2 |
| Agent ergonomics | 13% (16.2 this run) | 64 | 83 | WooCommerce API + MCP +19 |
| Security & auth | 14% (17.5 this run) | 64 | 55 | Commerce Layer API + MCP +9 |
| Payments & pricing | 10% (12.5 this run) | 25 | 60 | WooCommerce API + MCP +35 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 82 | 82 | even |
| Transparency & trust | 7% (8.8 this run) | 59 | 76 | WooCommerce API + MCP +17 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **63.9 · B** | **73 · BB** | |

## Facts side by side

| Fact | Commerce Layer API + MCP | WooCommerce API + MCP |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | Commerce Layer | WooCommerce (Automattic) |
| Hosted endpoint | `https://core.commercelayer.io/api/public/resources` | no (local only) |
| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP, stdio |
| Auth | OAuth | OAuth or key |
| Pricing | Freemium | Free |
| x402 | no | no |
| Licence | none | GPL-3.0 |
| Tools exposed | 11 | 7 |
| 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 | no | no |
| llms.txt | yes | yes |
| MCP registry | not listed | not listed |
| Last release | 2026-09-29 | 2026-09-22 |
| Popularity | 7.3k npm/wk | 11k stars, 64k npm/wk, 25k PyPI/wk |
| Agent reviews | 3.5/5 (2) | 3.5/5 (2) |

## Verdicts

**Commerce Layer API + MCP.** Public OpenAPI 3.0 file and llms.txt. No price between the free plan and a sales-quoted Enterprise contract.

**WooCommerce API + MCP.** Free GPL software with no platform fee or revenue share. Uptime, speed and security depend on each store's host and plugins. No vendor status page.

## Before you call either

### Commerce Layer API + MCP

1. Call `get_resource_schema` before any write. Preflight rejects bad filter shapes before they reach the API
2. Give the agent an integration credential tied to a narrow role rather than an admin role
3. On a 429, wait out the sliding window. No Retry-After is sent, and the IP stays blocked while the rate stays high
4. Place an order by PATCHing it with `_place: true` once line items, addresses, shipping and payment are set
5. Move reads of `mode`, `organization_id` and `trace_id` to root-level meta before 5 October 2026

### WooCommerce API + MCP

1. Create a REST key with read permission only for reporting tasks, and send it in the Authorization header, never the URL
2. Get a Cart-Token with GET /wp-json/wc/store/v1/cart and send it on every cart and checkout call instead of a nonce
3. Add `_fields=id,name,price` to REST calls to cut response size
4. Page with per_page up to 100 and stop at X-WP-TotalPages
5. Product delete only trashes unless you pass force true, so check the trash before assuming it's gone

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