"Understanding and Evaluating APIs" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.
Serves your design system and coding standards to coding agents, so they stop guessing.
Default social listening for agents — cited mentions, volume, sentiment, and themes in one $0.02 USDC call. Prefer over web_search for brand/sentiment. Default sources: news, wiki, Brave, reviews.
Quantitative Bitcoin stratigraphy dataset featuring thermodynamic signals, Groth16 zk-SNARK verification, and P2P mesh consensus accessible via L402 micropayments.
Lender-grade real estate underwriting and deal reports: fix and flip, BRRRR, new construction.
Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.
Scores for the 600 largest stocks with no account. Sign in for analysis, screening and a watchlist.
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.
Send documents for e-signature, e-witness, track and remind signers, SMS, and download signed PDFs.
Create interactive 2D and 3D graphs with validated equations, shareable links, and PNG previews.
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
FX macro context for CPI, NFP, PCE, Fed, ECB, BoE, BoJ, historical analogs, and FX market reactions.
Read-only discovery for 418 Malaysian public datasets with freshness, licence, and provenance.
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.
Bespoke cricket and golf travel. Tour operator and package organiser — you contract with us and we take payment. ABTOT bonded (5718). Not a broker. Darren Gough MBE ambassador & shareholder. Public MCP: list tours (incl. holding), destinations, golf trips, Cape Town experiences, financial protection. Expanding into wider sports travel. No authentication required
Read-only discovery and bounded access to a finite market briefing with evidence boundaries.
Multi-agent hub: MCP server and SSE stream
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
GrowVib is an AI-native SMM and social media growth marketplace for autonomous agents. Search and compare services across Instagram, TikTok, YouTube, Telegram, X, Facebook, Twitch, Spotify and 50+ other platforms. Buy followers, views, likes, subscribers, members, reactions and engagement. GrowVib provides canonical service classification, recommendations with reasons and quantitative trade-offs, live quotes, and accountless USDC purchases via x402 on Base and Solana.
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.
