"Tools or extensions for enhancing browser functionality" matching MCP connectors:

Social media analytics, video analysis, and competitor intel for any MCP-compatible AI agent.

SSRF-safe web intelligence: 32 paid x402 tools, 3 free tools, buyer prompt and guide.

Read-only MVR preflight for trust, permission, evidence gaps, and African market-entry readiness.

Agent-facing intake for HORIZON SHIELD, the Japanese construction estimate auditor.

Independent auditor for Japanese construction & renovation estimates; flags overcharge risk.

Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.

400+ pay-per-call tools + 100 skill packs. USDC + USDG on 10 chains, or free via PoW.

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

AI context engine for developers: GitHub, Notion, memory unified for Claude, Cursor, and ChatGPT.

AIOProductOS: revenue, feedback, work and analytics on one customer record. 71 tools, 3 apps.

Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.

Live multi-asset market data for AI agents with provenance, starter credits, x402, and examples.

Cello MCP server to launch and manage your User Referral and Partner program — for developers and growth teams.

AgentFeed: 47 tools — our own liquidation tape + tokenized-equity peg data, paid in USDC.

Mocap, rehab biomechanics, threat intel, fleet vision. 21 MCP tools, 10 free. x402/USDC paid.

Connect your AI assistant to Signed and ask about your angel investing in plain English: how the portfolio is doing, what distributions came in this year, what’s sitting in the pitch queue. It's a view into the startups that you've invested in (or are thinking of investing in!)

Discovery, OAuth, project operations, and exact project MCP handoff for Spala backend projects.

MCP server for generating rough-draft project plans from natural-language prompts.

Scan code for quantum-vulnerable cryptography and get NIST post-quantum migration guidance.

Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.