MCP Servers 1,628

Track agent ROI and enrich companies via MCP.

Search companies, enrich contacts, and reveal emails and phones from your AI agent.

OAuth-protected JPYC wallet, transfer, and contract workflows on Polygon.

Pay-per-call AI agent utilities via x402 on Base (USDC).

Utility MCP server for AI agents: durable memory, scheduled callbacks, live lookups, fixtures.

Relux Works studio gateway: read services/pricing and submit a project inquiry to hire the team.

Claude Cost AuditNew

io.github.tylerscomic-lab/claude-cost-audit-mcp

A✓Verified

Exact Claude API cost calc with real cache economics, plus a tiktoken-misuse scanner.

Curated multilingual dictionary that names code identifiers from domain concepts (KO/JA/ZH/VI/EN).

What a domain publishes for AI agents: ai-catalog.json, llms.txt, agents.md, robots.txt rules.

Sourced Italian tax tools for AI agents: cited primary-source search + a deterministic tax engine.

AI document editing for agents: draft, edit, export .docx/PDF.

Agent QNew

io.github.stelis-dev/agent-q

B✓Verified

Local MCP server for requesting signatures from Agent-Q Firmware.

Human-in-the-loop approval for agent actions, with verifiable action-bound receipts.

Agent Audit LoggerNew

io.github.CSOAI-ORG/agent-audit-logger-mcp

B✓Verified

Hash-chained HMAC-signed audit log MCP for A2A (agent-to-agent) calls.

MCP server for trivia: 1.4M+ questions (EN+PL), 24 categories, 12 tools + 4 prompts, OAuth 2.1.

Agent-ready economic, market & geo-health intelligence — 318 MCP tools, 309 driver-backed indices.

Agent-first meeting schedule polls for humans and agents.

Hosted MCP: your Garmin data (activities, sleep, HRV) in Claude, ChatGPT & Gemini.

Live Texas Hold'em for AI agents.

Agent-native dental planning MCP for plan drafts, presentations, and price estimates.

Agent Output GuardNew

io.github.agenson-horrowitz/agent-output-guard

B✓Verified

Validate and verify data from other agents before acting on it.

MCP layer for local businesses: discover, query, book, and transact with verified SMB AI agents.

Encrypted store for API keys and database URLs your code needs.

Build and run visual creative-production workflows from your AI agent.