ultramemory-kit vs Perplexity API Platform
ultramemory-kit is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑15.
ultramemory-kit is a plugin bundle for AI coding tools published by LogicLabsAI. No marketplace we read lists it any more. Perplexity API Platform is an MCP server published by perplexity.ai. Marketplaces we read that list it: 4 (Official MCP Registry, Docker MCP Catalog, npm registry (MCP servers), Community GitHub marketplaces). As of our marketplace pass on 2026-10-28. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.
Where each is published
| Marketplace |   Perplexity API Platform | |
|---|---|---|
| Community marketplace logiclabsai/ultramemory-mcp | Removed on 2026-10-15 Version: 1.9.13 Forks (GitHub): 0 Stars (GitHub): 1 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 1.2.1 Downloads/month (npm): 87 686 Downloads/week (npm): 18 636 Not marked · First seen |
| Docker MCP Catalog | Not listed | Listed Version: sha256:7816f45a6f26 Forks (GitHub): 388 Pulls (Docker Hub): 81 028 Stars (Docker Hub): 17 Stars (GitHub): 2 589 Not marked · First seen |
| npm registry (MCP servers) | Not listed | Listed Version: 1.3.0 Downloads/month (npm): 87 686 Downloads/week (npm): 18 636 Forks (GitHub): 389 Stars (GitHub): 2 592 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 | ultramemory-kitno longer listed · | Perplexity API Platform |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 4 |
| Stars (GitHub) (differs) | 1 | 2 592 |
| Pulls (Docker Hub) (differs) | No figure on Docker Hub | 81 028 |
| Forks (GitHub) (differs) | 0 | 389 |
| Last release (differs) | Not published | 2026-10-17 |
| Where it runs (differs) | Remote server (mcp.exa.ai/mcp) | On your machine (@perplexity-ai/mcp-server) |
| Transport (differs) | Streamable HTTP | stdio |
| Tools it declares (differs) | Not published | 3 |
| Environment variables it asks for (differs) | Not published | 2, secrets among them: 1 |
| Hooks it runs (differs) | 5 | 1 |
| Parts of the bundle (differs) | 13 | 2 |
| Licence (differs) | Apache-2.0 | MIT |
| Repository (differs) | github.com/logiclabsai/ultramemory-mcp | github.com/ppl-ai/modelcontextprotocol |
| Changes in the last 7 days | 0 | 0 |
| First seen (differs) | 2026-10-13 | 2026-10-11 |
Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.
What to use instead of ultramemory-kit
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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Core agents and commands required by all plugins
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A dual-path memory system for proactive agents: a typed knowledge graph with evidence, contradictions and supersession, maintained in the background on a small model. No API key…
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ai-agents-hardened-skills
AI model SDKs, agent infrastructure, MCP tooling, memory, OCR, and image/audio/video generation skills.
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Memory-Augmented MCP Assistant - Track decisions, learn from mistakes, never repeat errors.
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Imprint creates a portable collaboration profile by learning how you work through natural conversation. On first run, it asks a few casual questions about your background, tools…
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Plugin and skill authoring: create/edit skills, agents, plugins, CLAUDE.md files, search skills, manage dependencies
What each says it does
ultramemory-kit
UltraMemory Agent Kit (Tier 3) — Turbo Token Saver (recall-first hook + client cache) + the harness (grounding / checklist-bound execution skills, subagents, Stop gate) + optional MCP setup (Context7 keyless, Exa BYO) and our Playwright Human Vision Control skill. Bring your own UltraMemory key.
Perplexity API Platform
Real-time web search, reasoning, and research through Perplexity's API
How to run each
ultramemory-kit
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Perplexity API Platform As a local MCP server: npm package
claude mcp add --transport stdio perplexity-api-platform -- npx -y @perplexity-ai/mcp-serverCommands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
The marketplaces of ultramemory-kit publish no list of tools, so we do not compare tools.
Settings each asks for
The marketplaces of ultramemory-kit publish no settings it asks for, so we do not compare settings.
What it can do: ultramemory-kit · What it can do: Perplexity API Platform · 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. Data comes from the Docker MCP Catalog (desktop.docker.com/mcp/catalog) and Docker Hub. 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.