"Understanding the Concept of Perplexity" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Pre-trade token safety check for AI agents. Simulates a sell before you buy, then returns one low/medium/high/unknown verdict with the signals behind it: sellability, buy/sell tax, liquidity depth, pair age, same-ticker impersonation, owner powers from bytecode. Ethereum, BSC, Base, Solana. Fail-closed - a check that cannot run answers unknown, never low. Publishes its own measured error rate with the benchmark harness in the repo. Free, no signup, no API key, MIT.
Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.
Durable identity and memory for AI agents, anchored on the Emercoin blockchain.
Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.
Search the world's licensed insurers by country, class, group and regulator. Read-only, no auth.
Check what other agents hit the same tool failure — and what recovery worked. Ask before retrying.
Search 161,000+ free hand-drawn Infyicon icons in four matching styles and fetch ready-to-embed SVG markup or PNG URLs, plus CSS class lookup for the 61,000-glyph Infyicon UI webfont. Free with attribution, no API key required.
The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.
Neutral, verification-gated MCP directory of Japan construction contractors (KIRA-audited).
Search, browse, and buy AI thinking frameworks from within any MCP client. 597 frameworks drawn from the documented thinking of notable people, plus 24 functional Tools and 7 curated bundles, delivered as .md files and native Claude Skills.
Enhanciar is a company brain for engineering teams. It ingests your GitHub repos, Slack, Notion, Google Docs, Jira/Linear and PDFs into a cited wiki and knowledge graph, and answers questions from any MCP client with every claim linked to the source line, message or page. Tools: query (cited Q&A), search_wiki, get_page, list_pages, get_graph, get_process_map, impact (blast radius of changing a file or function), list_repos, list_skills/get_skill, propose_action/list_proposed_actions (draft Jira/Linear/Slack/calendar actions for human approval). BYOK — bring your own model key. Early access: join the waitlist at https://enhanciar.in and create an API key in Settings.
Send a USPS Certified Mail letter to any US address from ChatGPT, Claude or Grok. The assistant prepares the letter and hands back a review link; a person reads it, checks the recipient, pays and authorizes. Nothing is printed, mailed or charged without that approval. $16.17 with the electronic return receipt, $13.18 without. No subscription, and no account needed to see a price. Docs: https://piloxa.com/send-a-certified-letter-online
Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Open AI Visibility Index for SaaS and AI tools. Weekly share-of-answer measurements for 20 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.
Provides a platform-agnostic specification of the technical features every decent website should have
Canonical vocabulary server for autonomous business design. Exposes the Arco Lexicon as seven MCP tools: term lookup, related terms, alignment verification, citation formatting, source retrieval, term listing, and term suggestion. No authentication required. Streamable HTTP transport.
Magery Forge is a security-audit engine for people who ship code fast and don't have a security team. Use cases: • Pre-release security check • Weekly automated security monitoring • Agent-driven security scanning (MCP) • Clearing a shipped product of common vulnerabilities before users hit them
Scores for the 600 largest stocks with no account. Sign in for analysis, screening and a watchlist.
A person in the Czech Republic (EU) makes, assembles, measures, verifies and ships physical things for your agent, with an evidence package for every task. A human screens and quotes each request; the operator gets an invoice from a registered EU company.
Read-only stats for public Telegram groups tracked by Limzo, the anti-spam bot. No API key.
