Notion MCP server with token auth: connect Claude Code, Claude Desktop, Cursor, VS Code, Codex and any MCP client to Notion. Search, create and edit pages, query databases, comment and upload files. Runs headless in CI and agents.

Rigor Improve / Rigor Explore run leaf skill for bounded exploratory evidence in deep learning research repositories. Use when the researcher explicitly authorizes exploratory runs such as small-subset validation, short-cycle guess-and-check, batch sweeps, idle-GPU search, or quick transfer-learning

Your own search engine

AST knowledge graph MCP server for Claude Code — semantic search, call graph traversal, HTTP route tracing, impact analysis. Auto-indexes 10 languages via Tree-sitter.

The open SVG brand library: 7,600+ brand logos and cloud icons (AWS, Azure, GCP) as official SVG. Search, copy, ship via npm, CDN, CLI, React, Vue, Svelte, Figma, VS Code, Raycast and MCP. Free, MIT, no gatekeeping.

Persistent session memory for AI coding agents that never leaves your machine — including the on-device model that reasons over it. Restores your prior decisions, open TODOs, and changed files across sessions; adds associative recall of related past work,

Enables AI assistants to query application projects directly for logs, metrics, incidents, and semantic search through read-only tools.

SEO & GEO (Generative Engine Optimization) for websites. Analyze keywords, generate schema markup, optimize for AI search engines (ChatGPT, Perplexity, Gemini, Copilot, Claude) and traditional search (Google, Bing). Use when user wants to improve search visibility.

Serves local Zoom meeting archives, transcripts, summaries, and source-backed search to MCP clients so agents can prepare for calls, recall commitments, and cite exact passages.

Find and synthesize research papers, whitepapers, PDFs, technical reports, and academic sources with Firecrawl Research, using semantic paper search, related-paper expansion, and in-body verification over Firecrawl's paper index — largely biomedical and life-science literature from PubMed, bioRxiv,

Enables AI assistants to search and retrieve Phuket activities for a specific travel party in one tool call, returning diverse, safety-gated recommendations with live weather and sea context plus affiliate booking links.

It enables compatible AI agents to audit public web pages, crawl bounded same-host site samples, collect and compare AI answers, and read a user's own Google Search Console data locally.

Enables agents to search and look up companies in a local mirror of India's MCA master data, decode CINs offline, and validate GSTIN structure and checksums. Every field carries provenance and explicitly flags missing or stale data instead of fabricating it.

Enables AI agents and foreign investors to search Korean corporate disclosures, retrieve filings and XBRL financials, and access English-translated governance and accounting terms with original Korean text preserved for citation.

Enables an AI assistant to search live neighborhood bulletin-board pins by coordinates, radius, bounding box, or category, and to fetch individual pins or share their page links. It also lets the assistant publish public pins such as events, lost pets, sales, and business notices, gated behind explicit user confirmation and optional paid placement plans.

DSH permission-gate for the DeepSeek Harness 0.1.5 line: a single self-sufficient, deterministic-first, fail-closed gate covering P0 hard-deny -> P1 session grant -> P2 static rule (allow/deny) chain -> P3 optional LLM semantic classifier -> P4 ask, with

Enables coding agents to search public documentation, retrieve SDK snippets with verification status, and access published pricing and an llms.txt resource in a read-only, credential-free way.

Enables AI assistants to persist and recall local memory across sessions and projects through hybrid BM25/TF-IDF retrieval over a file-based vault. Facts are tracked with dual-clock timestamps and require no native dependencies.

Enables AI assistants to find related scientific papers through their citation network, using scholarly works in OpenAlex and Semantic Scholar. Supports searching papers by title, DOI or link, generating citation-based recommendations, retrieving paper details and references, and listing citing papers.

Enables studying for the ENEM exam using official 2009–2023 questions, with search by topic, discipline, and year, answer keys, randomized practice, PDF exam generation with explanations, and correction with performance tracking.

Persistent long-term memory for Claude Code via MCP — captures coding decisions, bugfixes, and context across sessions. Hybrid FTS5 + TF-IDF search with episode batching. Single SQLite DB, no external services. Alternative to claude-mem with 600x lower cost.

Author rules from policy docs, then decide: a Rete engine gives the verdict, an LLM explains why.

Current law as data for AI: search, read and verify statutes and citations. CIS countries first.

Search and read Edgepedia, a free and growing encyclopedia with citations. No key.