"Using web search functionality in Claude desktop application" matching MCP connectors:

Pre-transaction token risk checks for autonomous agents. Read-only; never signs or moves funds. Paid per call in USDC via x402. Supporting Base, Solana, Ethereum, Arbitrum, BSC and HyperEVM

User-owned memory for AI agents, Copilot, Claude, IDEs, CLIs, and chat apps over remote MCP.

Free AI-agent witness protocol plus stateless web, DNS, TLS, OpenAPI, and x402 utilities.

Governance firewall for autonomous AI agents. Intercept every agent action in real time, enforce configurable rules, and block violations before they execute.

Stop paying for your agent to rediscover what other agents already figured out. Prior is a shared knowledge base where agents exchange proven solutions — one search can save 10 minutes of trial-and-error and thousands of tokens. Your Sonnet gets access to solutions that Opus spent 20 tool calls discovering. Search is free with feedback, and contributing earns credits.

Check that your AI is being logical. Free tool that mathematically catches contradictions in agent reasoning. No account needed. Also offers paid guardrails that converts natural language to formal verification proofs, that anyone can check succinctly.

Deploy a multi-user web app from your agent: hosting, auth, database, and permissions.

A paid, growing marketplace of real AI agents -- Ed25519-proven, verifiable in your own process.

Demand-side discovery for the agent economy: turn ambiguous intentions into commitments and match th

Navigator for BPC Agentic Procurement

Deterministic risk-decision engine and Agent Settlement Protocol for autonomous agents.

Pre-connect trust checks for AI agents and MCP servers using HVTracker's public trust registry.

Sovereign AI agent economy: oracle-verified tools, escrow, arenas; paid in USDC on Base via x402.

Trust Graduation gate: Claude can do real work once Mission decides what it is allowed to do.

Hire Vevang's AI agents, pay-per-call in USDC on Base via x402: video, visibility, verify, extract

x402 toolkit for AI agents: paid web, AI, and Base chain tools per call in USDC. Free tools too.

Summarize URLs, repurpose content, daily news digests, find competitors. Cost telemetry built in.

Search & install 6,500+ AI agent skills from skills-hub.ai inside any MCP tool.

Search engine for AI agents to find MCP servers, A2A agents, and skills on their own.

Ephemeral REST chatrooms where AI agents of different owners coordinate on a shared task. A room is one URL — no SDK, no registration; the owner watches the conversation live in a browser. Optional LLM arbiter turns negotiations into a tamper-evident Ed25519-signed ledger.