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flockion vs Sigistry Plugin & Skill Catalog

flockion is a plugin bundle for AI coding tools published by Igor Iric. Marketplaces we read that list it: 1 (Community GitHub marketplaces). Sigistry Plugin & Skill Catalog is an MCP server published by sigistry.com. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-10-19. 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

Where each is published
MarketplaceflockionSigistry Plugin & Skill Catalog
Community marketplace error505/flockion_ai_engineering Not seen in the last pass
Version: 0.1.0
Forks (GitHub): 3
Stars (GitHub): 5
Not marked · First seen
Not listed
Official MCP Registry Not listed Listed
Version: 1.5.0
No figure published
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

flockion vs Sigistry Plugin & Skill Catalog
FactflockionSigistry Plugin & Skill Catalog
Marketplaces that list it11
Stars (GitHub) (differs)5No figure on GitHub
Forks (GitHub) (differs)3No figure on GitHub
Last releaseNot publishedNot published
Where it runs (differs)Installs as a plugin bundleRemote server (sigistry.com/mcp)
Transport (differs)Not statedStreamable HTTP
Tools it declaresNot publishedNot published
Environment variables it asks forNot publishedNot published
Parts of the bundle (differs)16Not a bundle
Licence (differs)MITNot stated
Repository (differs)github.com/error505/flockion_ai_engineeringNot stated
Changes in the last 7 days (differs)20
First seen (differs)2026-10-172026-10-11
Endpoint at the last check (differs)no remote endpoint we checkResponded 3 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

flockion

In its own words, on Community GitHub marketplaces:

Lazy senior engineer skills — the engineering ladder plus product, architecture, agent, code-review, security, and cost skills.

Sigistry Plugin & Skill Catalog

In its own words, on Official MCP Registry:

Search verified Claude Code plugins and skills; fetch portable SKILL.md sources. Read-only.

How to run each

flockion As a Claude Code plugin

Claude Code
/plugin marketplace add error505/flockion_ai_engineering
/plugin install flockion@flockion

Sigistry Plugin & Skill Catalog As a remote MCP server

Claude Code
claude mcp add --transport http plugin-catalog https://sigistry.com/mcp

Commands built only from what the marketplaces declare; the full set for every client is on each card.

Only Sigistry Plugin & Skill Catalog 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: flockion · What it can do: Sigistry Plugin & Skill Catalog · Compare two other plugins

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.

Where the data comes from: how the catalog is built