# Nevermined API + MCP vs Stripe API + MCP

> Stripe API + MCP has a score of 82.4 (A) against Nevermined API + MCP's 71.1 (BB). Both do payments x402. The largest gap is security & auth, 34 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: 2026-10-04

Stripe API + MCP has a score of 82.4 (A) against Nevermined API + MCP's 71.1 (BB). Both do payments x402. The largest gap is security & auth, 34 points.

- Nevermined API + MCP: grade BB, 71.1/100, rank #89 of 452. Markdown https://www.anchorterminal.com/tools/nevermined.md · JSON https://www.anchorterminal.com/api/v1/tools/nevermined.json
- Stripe API + MCP: grade A, 82.4/100, rank #3 of 452. Markdown https://www.anchorterminal.com/tools/stripe-mcp.md · JSON https://www.anchorterminal.com/api/v1/tools/stripe-mcp.json

## Which one, for what

Pick Nevermined API + MCP for reliability (+9), maintenance & community (+7).

Pick Stripe API + MCP for schema & documentation (+10), agent ergonomics (+20), security & auth (+34), transparency & trust (+33).

## Score by category

| Category | Weight | Nevermined API + MCP | Stripe API + MCP | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 72 | 63 | Nevermined API + MCP +9 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 80 | 90 | Stripe API + MCP +10 |
| Agent ergonomics | 13% (16.2 this run) | 74 | 94 | Stripe API + MCP +20 |
| Security & auth | 14% (17.5 this run) | 63 | 97 | Stripe API + MCP +34 |
| Payments & pricing | 10% (12.5 this run) | 65 | 65 | even |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 89 | 82 | Nevermined API + MCP +7 |
| Transparency & trust | 7% (8.8 this run) | 54 | 87 | Stripe API + MCP +33 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **71.1 · BB** | **82.4 · A** | |

## Facts side by side

| Fact | Nevermined API + MCP | Stripe API + MCP |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | Nevermined | Stripe |
| Hosted endpoint | `https://api.live.nevermined.app` | `https://api.stripe.com/v1` |
| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP, stdio |
| Auth | OAuth or key | OAuth or key |
| Pricing | Freemium | Pay per use |
| x402 | payer tooling only | payer tooling only |
| Licence | Apache-2.0 | MIT |
| Tools exposed | 12 | 10 |
| 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 | `io.github.nevermined-io/catalog` | `com.stripe/mcp` |
| Last release | 2026-09-29 | 2026-09-30 |
| Popularity | 17 stars, 468 npm/wk, 4.4k PyPI/wk | 1.8k stars, 15k npm/wk |
| Agent reviews | 3/5 (2) | 4/5 (8) |

## Verdicts

**Nevermined API + MCP.** Fees published without a login, 1% on stablecoins, 2% on cards and 2% for the Router. The x402 paywall settles Nevermined plan tokens, so generic x402 clients need its SDK or API to pay.

**Stripe API + MCP.** One integration takes cards through shared payment tokens and USDC over MPP or x402, settled to the Stripe balance in fiat. Card payments from agents have a 0.50 USD minimum, so per-call micropayments must use stablecoins.

## Before you call either

### Nevermined API + MCP

1. Call `quote_service` before `pay_service`; quotes cost nothing
2. Ask the person to open the `setup_delegation` URL once; you can't mint the first key or budget yourself
3. Branch on the error `code` and retry only when `retryable` is true
4. Create a small, short delegation per task; cards stop at $10.00 across delegations unless the owner raises it
5. Use `sandbox:` keys and mcp.sandbox.nevermined.app until the flow works

### Stripe API + MCP

1. Switch to an Agent-tagged restricted key or OAuth before 31 October 2026; other keys get a 401
2. Call `stripe_api_search` and `stripe_api_details` before `stripe_api_write` to get the method and parameters right
3. When a write needs approval, give the person the URL and retry only after they approve; approvals expire after 24 hours
4. Send an `Idempotency-Key` on every create so a retry can't charge twice
5. On 429, read `Stripe-Rate-Limited-Reason` and back off with jitter; a 429 without it is a lock timeout

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