cockroachdb vs Jam SQL Studio
cockroachdb is a plugin bundle for AI coding tools published by cockroachdb. Marketplaces we read that list it: 4 (Claude Code: claude-plugins-official, Claude: knowledge-work-plugins, Community GitHub marketplaces, Claude Code: claude-plugins-community). Jam SQL Studio is an MCP server published by jamsql.com. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-10-12. 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 | ||
|---|---|---|
| Claude Code: claude-plugins-official | Listed Version: 0.1.10 Forks (GitHub): 3 Stars (GitHub): 4 Not marked · First seen |
Not listed |
| Claude: knowledge-work-plugins | Listed Version: 0.1.10 No figure published Not marked · First seen |
Not listed |
| Claude Code: claude-plugins-community | Listed Version: 0.1.10 No figure published Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 1.0.0 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
| Fact | cockroachdb | Jam SQL Studio |
|---|---|---|
| Marketplaces that list it (differs) | 4 (better) | 1 (worse) |
| Stars (GitHub) (differs) | 4 | No figure on GitHub |
| Forks (GitHub) (differs) | 3 | No figure on GitHub |
| Last release | Not published | Not published |
| Where it runs (differs) | Remote server (cockroachlabs.cloud/mcp) | On your machine (@jamsql/mcp) |
| Transport (differs) | Streamable HTTP | stdio |
| Tools it declares | Not published | Not published |
| Environment variables it asks for (differs) | 6, secrets among them: 1 | 2, secrets among them: 1 |
| Hooks it runs (differs) | 2 | Not published |
| Parts of the bundle (differs) | 42 | Not a bundle |
| Licence (differs) | Apache-2.0 | Not stated |
| Repository (differs) | github.com/cockroachdb/claude-plugin | Not stated |
| Changes in the last 7 days | 0 | 0 |
| First seen | 2026-10-11 | 2026-10-11 |
| Endpoint at the last check (differs) | not checked yet | no remote endpoint we check |
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
cockroachdb
Connect Claude Code directly to your CockroachDB clusters for hands-on database work — explore schemas, write optimized SQL, debug queries, and manage distributed database clusters. This plugin provides 14 tools across two active MCP backends (self-hosted MCP Toolbox and managed CockroachDB Cloud MCP Server), three specialized agents (DBA, Developer, Operator), 32 skills across 6 operational domains, and built-in safety hooks.
Jam SQL Studio
Lets AI agents query SQL Server, PostgreSQL, MySQL, Oracle and SQLite via the Jam SQL Studio app.
How to run each
cockroachdb As a Claude Code plugin
/plugin install cockroachdb@claude-plugins-officialJam SQL Studio As a local MCP server: npm package
claude mcp add --env "JAMSQL_MCP_TOKEN=<YOUR_JAMSQL_MCP_TOKEN>" --transport stdio jam-sql-studio -- npx -y @jamsql/mcpRequires: JAMSQL_MCP_TOKEN (secret)
Commands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
Only cockroachdb asks for
COCKROACHDB_DATABASECOCKROACHDB_HOSTCOCKROACHDB_PASSWORD (secret)COCKROACHDB_PORTCOCKROACHDB_SSLMODECOCKROACHDB_USER
Only Jam SQL Studio asks for
JAMSQL_MCP_TOKEN (secret)JAMSQL_MCP_URL
Settings as each marketplace publishes them. Asking for fewer is not better in itself.
What it can do: cockroachdb · What it can do: Jam SQL Studio · 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 the public marketplace file https://github.com/anthropics/knowledge-work-plugins/blob/HEAD/.claude-plugin/marketplace.json. Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the public marketplace file https://github.com/anthropics/claude-plugins-community/blob/HEAD/.claude-plugin/marketplace.json. 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.