Meteosource Weather MCP vs Visual Crossing Weather API

Meteosource Weather MCP 35

status.meteosource.com wasn't reachable (0). No history (5). Daily call quotas per plan, and the README's plans-and-limits section (15). Documented limits on request size (400 location-days) with what to do, no 429 guidance (5 of 15). No SLA found (0). Version 0.1.2, not labelled beta (10). 0 + 5 + 15 + 5 + 0 + 10 = 35.

Visual Crossing Weather API 68

Status page at status.visualcrossing.com, run on UptimeRobot, with 24-hour to 90-day uptime sections (20, held while this run's 15 or 20 split for UptimeRobot pages is open). On 4 November its monitor data still didn't load in the page we may read (its robots.txt disallows /api/, where the data comes from), and it showed no updates in the last seven days, so no incident record could be read (5). Limits published with numbers for registered plans, 1,000 records a day free, records and locations per query, and concurrency of 1 on Free and Professional and 10 on Corporate. The no-key route added on 28 October publishes no fixed allowance (15). 429 is documented for exceeded limits, and the no-key guide and llms.txt now say to retry with exponential backoff after a 429. Every call is a GET, so no write needs safe-retry guidance. Backoff guidance alone is 10 in this run (8 on 1 October, when none was found). The plan table lists 99.5 per cent uptime on Free and 99.9 on paid plans, but the terms only owe compensation where a plan includes crediting provisions (8 of 10). The Timeline API is generally available, with minutes marked beta (10). 20 + 5 + 15 + 10 + 8 + 10 = 68.

Meteosource Weather MCP 30

No machine payment protocol (0). Plan prices with daily call quotas, public (10). Free plan with 400 calls a day, no card (20). A person signs up in a browser for the key (0). 0 + 10 + 20 + 0 = 30.

Visual Crossing Weather API 55

No x402, MPP or L402 (0). $0.0001 a record above the free 1,000 a day, in the pricing page's own description, readable without login, though no plan shows a price in the page as served (20). 1,000 records a day free with a key and no card, and since 28 October a no-key route free for commercial use with attribution (20). An agent can call the Timeline and Maps APIs with no key, account or signup, per the no-key guide published 28 October 2026 and llms.txt, under IP-based fair-use limits with no fixed allowance. The same guide says some advanced queries or specialised data products may need a registered account, and the MCP server still needs a key, so the keyless route covers ordinary requests only. Partial credit, as for jina-reader (Search needs a key) and firecrawl-mcp (crawl, map and agent need a key) (15; 0 on 1 October, when a person had to sign up). 0 + 20 + 20 + 15 = 55.

Meteosource Weather MCP 32

The repository is MIT (copyright 2026 Meteosource) but holds docs and the registry manifest rather than the server; terms and privacy URLs weren't found (10 of 30). The MCP page says keys aren't stored in full and caches are per key (10 of 30). No deprecation policy (0). Subprocessors not found (5 of 20). 10 + 10 + 0 + 5 = 25.

Visual Crossing Weather API 57

Closed service with terms last updated January 2023 that set storage by licence level, bar resale and add a non-compete (15). The privacy policy, updated 23 May 2025 per the 1 October check and the site's policy reading of 8 October, states no retention periods, says nothing about what API requests log and doesn't mention a DPA. The no-key guide says anonymous use is managed by client IP address, which the policy doesn't describe (8 of 30). The changelog promises backwards compatibility unless noted, but there's no deprecation policy or dated notice (8 of 20). No subprocessors or data locations named, beyond Google tags on the site (0). 15 + 8 + 8 + 0 = 31.

Meteosource Weather MCP 70

Repository commit and tag v0.1.2 on 26 October 2026 (30). Three tags in 90 days (20). Repository issues not read (0). Official registry entry com.meteosource/weather (15). Small repository with server.json; server source not public (5 of 10). 30 + 20 + 0 + 15 + 5 = 70. Registry presence read from Anchor Terminal's own daily import of the official MCP registry (/api/v1/registry.json, 6 November 2026), not the registry's API.

Visual Crossing Weather API 58

The no-key guide, published 28 October 2026, adds keyless access to the Timeline and Maps APIs, and the Timeline docs changed the same day to describe it (30). Dated sources in the 90 days from 6 August are the changelog (published 4 September 2026, its four Q3 additions dated only by quarter), the MCP guide (published 24 September 2026) and the no-key guide (28 October 2026), three in all (20). Page modification stamps were not counted. A public changelog, and support by email and forum that we didn't test (8 of 15). The official MCP server isn't in the registry, where only a third-party Pipeworx wrapper appears (0.2.0, 29 October), and there's no official SDK (0). No package to judge (0). 30 + 20 + 8 + 0 + 0 = 58.