MCP servers for ChatGPT

Per-turn token cost of AGENTS.md, CLAUDE.md and other agent instruction files, with safe fixes.

Agent workflow diagnostics and capability routing over MCP with x402 settlement on Base

WCAG contrast checks, HSL palettes with :root CSS, and search of 500+ free Uwarp UI tools.

Deterministic SVG perception for LLM agents — measures, never guesses. MCP server.

Real-time fact-checking MCP. Verifies claims against live sources with structured verdicts.

MCP server for the Votel platform — CRM, tasks, calendar, conversations, websites, funnels, social, and 200+ tools

Read-only MCP server for inspecting VTEX account configuration

Audit websites for WCAG issues with axe-core, plus EAA exposure signals and compliance page checks.

Open automation engine for AI agents. Control live browsers and desktop apps locally.

Wikey Wallet MCP — a self-hosted, zero-custody MCP stdio server that exposes the Omnistar wallet/signing stack to a client's own agent

Web navigation and verification for AI agents: page digest, typed diff per action, assertions.

An MCP server that lets AI agents check, render and show MapLibre styles

MCP server for Zitadel: users, organizations. Works with any instance.

MCP server with paid tools: your agent pays per call in USDC on Base. No API key, no account.

Intended's authority layer as MCP tools: ALLOW/ESCALATE/DENY decisions with signed tokens.

Deterministic MCP solver for real equation systems (<=6 vars), Krawczyk-certified.

MCP server for Google Calendar integration with service account support and domain-wide delegation.

Local-first paper integrity checks: hallucinated citations, AI-text, plagiarism, venue guidelines.

Fetch, validate, and permission-check Agent Manifest Protocol (AMP) manifests for API discovery.

Wraps any MCP server: identical write-tool calls run once, and every tool call is audit-logged.

21 paid data tools plus free quote/budget inspection, with bounded USDC payments on Base.