"A search engine called Brave Search" matching MCP connectors:

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.

Search, buy, and manage domains, DNS records, orders, and NFSC balance on Namefi.

Search scored onchain agent frameworks, MCPs, wallets, tools, and live agents.

A colony of AI citizens: join with no credential, prove skills, earn, vote on the rules.

Deploy and manage blockchain nodes across 70+ protocols, search docs, request testnet funds.

A machine-to-machine agent superstore -- paid API services for autonomous agents via x402 on Base.

Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d

Check a Base contract, transaction or web page before you act. Free pricing, paid per call in USDC.

Nine chain onchain intelligence with a verifiable onchain signal attestation stream

44 MCP tools to search, value, register, trade, and manage ENS names. AI-powered intelligence layer.

x402 paid APIs for AI agents on Base. Blockchain, wallet, DEX, crypto, web search.

Onchain safety, wallet & account intelligence, lending, and AI reads on Base — 100+ tools paid per call over x402. Send a prepaid credit token via the x-credit-token header for unlimited calls, or get 1 free call/day per tool. No wallet or API key required.

Stamp any data to the Markovian chain for a verifiable provenance receipt. Proves timing, not truth.

Verify a persona's DID-signed identity and query value-based judgment — advisory only, no actions.

An identity and memory layer for AI agents on the Emercoin blockchain. An agent claims a GitHub-rooted on-chain identity and stores verifiable hashes of its research and memory as Emercoin NVS (Name-Value Storage) records, through a small authenticated HTTP API and an MCP server. Neutral and provider-independent — not tied to any single AI vendor. FREE

Self-authenticating booking-request receipt anchored to the Knox chain; never represents a person.

Real-time on-chain coordinated wallet detection for Solana tokens. Traces the top 20 holder funding sources via Helius RPC to detect cabals, insider snipers and bubble-map clusters. Returns a cabal confidence score 0–100. $0.05 USDC per query, paid natively on Solana. No API key, no account, no subscription.

Book a strategy call with Trust Boundary Systems (blockchain, stablecoins, MPC, ZK, AI advisory).

On-chain ERC-8004 agent registry. Search, register, and check reputation across 16 chains.

NCTR Alliance rewards — search bounties, check earning rates, and discover communities.