Postman vs 6Frame Verify
Postman is a plugin bundle for AI coding tools published by postmanlabs. Marketplaces we read that list it: 2 (Claude Code: claude-plugins-official, Community GitHub marketplaces). 6Frame Verify is an MCP server published by bret1976. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-10-16. This pair was picked by a reader, not by our comparison rule, so search engines are asked not to index the page.
Where each is published
| Marketplace |  Postman |  6Frame Verify |
|---|---|---|
| Claude Code: claude-plugins-official | Listed Version: 2.0.1 Forks (GitHub): 7 Stars (GitHub): 17 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 1.3.0 Forks (GitHub): 0 Stars (GitHub): 0 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | Postman | 6Frame Verify |
|---|---|---|
| Marketplaces that list it (differs) | 2 (better) | 1 (worse) |
| Stars (GitHub) (differs) | 17 (better) | 0 (worse) |
| Forks (GitHub) (differs) | 7 (better) | 0 (worse) |
| Last release (differs) | 2026-10-15 (better) | 2026-10-12 (worse) |
| Where it runs (differs) | Installs as a plugin bundle | Remote server (siteverify.dev/mcp) |
| Transport (differs) | Not stated | Streamable HTTP |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Hooks it runs (differs) | 1 | Not published |
| Parts of the bundle (differs) | 19 | Not a bundle |
| Licence (differs) | Apache-2.0 | Not stated |
| Repository (differs) | github.com/postmanlabs/postman-plugin | github.com/bret1976/6frame-verify |
| Changes in the last 7 days (differs) | 8 | 4 |
| First seen | 2026-10-11 | 2026-10-11 |
| Endpoint at the last check (differs) | no remote endpoint we check | Answered with HTTP 404 (2 days ago) |
Lines where the two differ have a tinted background and bold values. Where the data itself says which value is better (more marketplaces, a larger figure of the same marketplace, a fresher release, a verified mark on a marketplace that lists both), the better one is also marked green with ▲ and the worse one red with ▼. Where it runs, the transport, the tools, the settings, hooks, the bundle's parts, the licence and the week's changes are marked only as different: more or fewer is not better in itself.
What each says it does
Postman
Work with Postman from your agent: bootstrap a repo's Postman setup, mock an API before it's implemented, run collection and governance checks in CI, monitor a live endpoint, deploy and debug Postman Flows, and publish generated API documentation.
6Frame Verify
Pre-launch website QA in 60s via real Chromium. $3/check; agents can pay in USDC (x402).
How to run each
Postman As a Claude Code plugin
/plugin install postman@claude-plugins-official6Frame Verify As a remote MCP server
claude mcp add --transport http 6frame-verify https://siteverify.dev/mcp --header "Authorization: Bearer <YOUR_TOKEN>"Requires: Authorization header
Commands built only from what the marketplaces declare; the full set for every client is on each card.
Only 6Frame Verify has a remote endpoint we check. How we check endpoints
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: Postman · What it can do: 6Frame Verify · Compare two other plugins
Data comes from the public marketplace file https://github.com/anthropics/claude-plugins-official/blob/HEAD/.claude-plugin/marketplace.json. Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.