"3D content, models, or technology" matching MCP connectors:

Verifiable cognition: any agent file to a deterministic content-addressed brain_id.

Diffbot MCP — Knowledge Graph company enrichment + web content extraction (diffbot.com)

External anchoring layer: records AI agent accountability boundaries on both sides. Content-blind.

Citation-health over a CC0 citation graph: what supports, refutes, or cites a paper. Read-only.

Biblical and theological research MCP server. Ask pastoral questions, run academic-grade queries across 2M+ scholarly passages (lexicons, commentaries, church fathers, Dead Sea Scrolls, Talmud), or search raw sources directly. Free, no API key required.

Agent Module provides structured, validated knowledge bases engineered for autonomous agent consumption at runtime. Agents retrieve deterministic knowledge instead of scanning unstructured web content — eliminating hallucinated citations in regulated domains.

Search everything you save: YouTube, articles, podcasts, PDFs, Notion, Obsidian. API key or OAuth.

Build financial models as code. Cloud execution, GSheets MCP, version control, collaboration.

Cross-AI personal memory. Save once in ChatGPT, recall in Claude, Mistral, Grok, or any MCP client.

Personal AI memory server running on Android. Connect your Claude or Perplexity to memory stored on your own phone.

Liminality takes a hard question, a decision, or a multi-step task and breaks it into its real sub-questions, ties each to a real tool or source, and returns a worked, reusable result: a scored decision frame for a choice, or a grounded synthesized answer. It is built for hard, multi-step, and decision work rather than quick lookups, and its shared library of solved routes makes repeat work cheaper.

RChilli MCP Hub is a production-grade MCP server that exposes RChilli's full HR data intelligence platform as 17 AI-callable tools across 4 categories. Built on 15+ years of HR data intelligence, it is trusted by ATS vendors, HR technology platforms, staffing agencies, and enterprise recruiting teams worldwide. Every tool is read-only and returns a consistent, structured JSON response — no raw exceptions, no inconsistent formats.

Docsie MCP brings your documentation workflow directly into your AI assistant. Create, edit, and publish documentation without switching between tools. Convert videos into structured documentation instantly, run compliance analysis across text, audio, and video content, and use semantic search to find exactly what you need across your knowledge base. Whether you're building product documentation, SOPs, user guides, or technical manuals, Docsie MCP makes documentation faster, smarter, and powered

Check claims against a fact-store: consistent, contradicts, or unverifiable — with a receipt.

Persistent memory for AI assistants. Save once; recall from Claude, ChatGPT, or any MCP client.

An MCP memory server. One memory your agents share — across models, devices and apps.

Distribution memory and marketing context for coding agents, with SEO, content, media, and analytics

Illumora Craft — evidence-augmented prompt compile for agents via remote MCP (OAuth) or local stdio.

100+ MCP tools for AI agents: content metadata, trade intelligence, business-expertise analysis.

Penlog is an Apple Pencil journaling app for iPad that reads each handwritten page into structured tasks, notes, and priorities. Its MCP server exposes that journal to your AI: search pages by topic, pull open tasks with reconciled status, read a full day's page, and create or update tasks that appear on your handwritten page and sync to Notion. Write by hand. Work with everything.