sanity vs Persistent Project Context for xAI Grok
sanity is a plugin bundle for AI coding tools published by sanity-io. Marketplaces we read that list it: 5 (Claude Code: claude-plugins-official, Official MCP Registry, Claude: knowledge-work-plugins, Claude Code: claude-plugins-community, Community GitHub marketplaces). Persistent Project Context for xAI Grok is an MCP server published by Wolfe-Jam. Marketplaces we read that list it: 2 (Official MCP Registry, npm registry (MCP servers)). As of our marketplace pass on 2026-10-27. 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 |  sanity |   Persistent Project Context for xAI Grok |
|---|---|---|
| Claude Code: claude-plugins-official | Listed Version: 1.0.0 Forks (GitHub): 30 Stars (GitHub): 194 Not marked · First seen |
Not listed |
| Official MCP Registry | Listed Version: 2.43.0 Forks (GitHub): 30 Stars (GitHub): 194 Not marked · First seen |
Listed, marked deprecated Version: 1.8.1 Downloads/month (npm): 1 465 Downloads/week (npm): 227 Forks (GitHub): 2 Stars (GitHub): 19 Not marked · First seen |
| Claude: knowledge-work-plugins | Listed Version: 1.0.0 Forks (GitHub): 30 Stars (GitHub): 194 Not marked · First seen |
Not listed |
| Claude Code: claude-plugins-community | Listed Version: 1.0.0 Forks (GitHub): 30 Stars (GitHub): 194 Not marked · First seen |
Not listed |
| npm registry (MCP servers) | Not listed | Listed Version: 2.1.0 Downloads/month (npm): 1 465 Downloads/week (npm): 227 Forks (GitHub): 2 Stars (GitHub): 19 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 | sanity | Persistent Project Context for xAI Grok |
|---|---|---|
| Marketplaces that list it (differs) | 5 (better) | 2 (worse) |
| Stars (GitHub) (differs) | 194 (better) | 19 (worse) |
| Forks (GitHub) (differs) | 30 (better) | 2 (worse) |
| Last release (differs) | 2026-10-27 | Not published |
| Where it runs (differs) | Remote server (mcp.sanity.io) | Remote server or your machine |
| Transport (differs) | Streamable HTTP | Streamable HTTP, stdio |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Parts of the bundle (differs) | 15 | Not a bundle |
| Licence | MIT | MIT |
| Repository (differs) | github.com/sanity-io/agent-toolkit | github.com/wolfe-jam/grok-faf-mcp |
| Changes in the last 7 days (differs) | 5 | 0 |
| First seen | 2026-10-11 | 2026-10-11 |
| Endpoint at the last check (differs) | Responded 6 days ago | Responded 5 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
sanity
Sanity content platform integration with MCP server, agent skills, and slash commands. Query and author content, build and optimize GROQ queries, design schemas, and set up Visual Editing.
Persistent Project Context for xAI Grok
Persistent project context for xAI Grok. IANA-registered .faf format.
How to run each
sanity As a Claude Code plugin
/plugin install sanity@claude-plugins-officialPersistent Project Context for xAI Grok As a remote MCP server
claude mcp add --transport http grok-faf-mcp https://mcpaas.live/grok/mcp/v1Commands built only from what the marketplaces declare; the full set for every client is on each card.
Both endpoints responded at the last daily 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: sanity · What it can do: Persistent Project Context for xAI Grok · 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 Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Data comes from the public marketplace file https://github.com/anthropics/knowledge-work-plugins/blob/HEAD/.claude-plugin/marketplace.json. Data comes from the public marketplace file https://github.com/anthropics/claude-plugins-community/blob/HEAD/.claude-plugin/marketplace.json. Data comes from public marketplace files in GitHub repositories of their authors. Package data comes from the public npm registry (registry.npmjs.org). Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.