"An overview or definition of a code interpreter" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Check an A2A agent before you delegate, or an MCP server's measured conduct. Free, no key.
Remote MCP server for crypto trading signals and the public ledger that scores them, losses included. Read tools: open signals, the signal ledger (matured wins and losses), signals cancelled by the BTC regime veto with the outcome they would have had, market snapshot and ticker for scanned Binance symbols, the scheduled BTC chart read, and news headlines. The public read tools work without a key. With a free API key from ribqa.com: your own bots and strategies, and rate-limited strategy backtests. No tool places, simulates or cancels an order. Free during beta.
Signed third-party verdict on what an npm package or file does when run. No key, no signup.
31360 pay-per-call APIs for AI agents over x402 and MPP, settled in USDC on Base ($0.001-$0.25 a call, no account or API key). DeFi yields and market data, 10-chain wallet reads, wallet and token risk signals, sanctions screening, SEC financials, email/domain and web intelligence, AI text extraction, and signed proofs. Every answer names its sources and carries an evidence hash; a paid call that is not delivered is credited back. Built and run by UnyKorn LLC.
Signed sandbox verdicts on any artifact, plus an agent marketplace. No key, no signup, no payment.
Refusal of anatomical gift in 50 states and DC, plus the WearableDocs FAQ, products, prices, search.
Discover and pay for services from the Nevermined Catalog using a spend-capped budget.
cenaodhad.cz: odhad bytu v Praze z prodejů v katastru, domy a pozemky s makléřem, ověření inzerátu
Auto-Apply That Ends on an Interview. Job matches, applications sent on the employer's own hiring system, employer-receipt tracking, per-role resumes, cover letters, interview prep.
A complete color workflow over MCP: mix, convert, harmonize, measure, place, and remember palettes.
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.
Discovery registry for AI agents: 660+ APIs, MCP servers and CLIs, each health-checked every 6 hours with real requests — full initialize + tools/list handshakes for MCP, real calls for APIs — plus response-schema validation that catches responses which parse fine but are missing a required field.
Pay-per-call ($0.005–$0.03 USDC) market, on-chain, and prediction-market data API for AI agents and trading bots via the x402 protocol — no signup, no API key. Exposed as a remote MCP server with 15 tools: pre-trade token security (honeypot/liquidity checks), kimchi premium, funding rate APR, DEX slippage, Polymarket arbitrage & liquidity audits, and Hyperliquid HIP-4 prediction-market odds.
It connects with Smart Data models database with more than 1000 open licensed data models and helps you to create applications and systems interoperable with existing standards or real applications
Text or image to clean, editable SVG from $0.01. Free SVG library + agent search, no key.
51Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.
Simulate cloud architectures before provisioning. 9 free demo tools; an API key unlocks all 62.
Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, free via PoW or card credits
Cut audio from YouTube, TikTok or Instagram links to MP3/WAV, and fetch video transcripts.
Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting
