← MCP Scorecard

Best Agent Infrastructure & Protocols MCP Servers (2026)

34 servers, ranked on the proofof.ai 100-point production-readiness rubric. Updated 2026-06-07.

What are the best Agent Infrastructure & Protocols MCP servers?

The highest-scored are agent-mcp-router-mcp (95/100), mcp-spec-compliance-mcp (93/100), agent-commerce-protocol-mcp (90/100). Full ranking below — each links to its detailed scorecard.

#MCP serverScoreWhat it doesInstall
1agent-mcp-router-mcp95Agent MCP Router MCP — one router for the whole MEOK fleet. Holds 62 MEOK MCPs behind onepip install agent-mcp-router-mcp
2mcp-spec-compliance-mcp93MCP Spec Compliance MCP — audits any MCP server.json against the official Model Context Prpip install mcp-spec-compliance-mcp
3agent-commerce-protocol-mcp90Agent Commerce Protocol MCP — bridges Stripe ACP + Google AP2 + Coinbase x402 for agent papip install agent-commerce-protocol-mcp
4agent-content-watermark-mcp90Agent Content Watermark MCP — dedicated EU AI Act Article 50(2) GenAI watermarking. Visiblpip install agent-content-watermark-mcp
5agent-cost-allocator-mcp90Agent Cost Allocator MCP — multi-tenant LLM cost attribution for chargeback billing. Compapip install agent-cost-allocator-mcp
6agent-data-residency-mcp90Agent data residency + GDPR Chapter V transfer-basis runtime guard. Programmatically answepip install agent-data-residency-mcp
7agent-handoff-certified-mcp90Verifiable agent-to-agent task handoff with signed provenance chain. Initiating agent signpip install agent-handoff-certified-mcp
8agent-identity-trust-mcp90Agent Identity Trust MCP Server by MEOK AI Labspip install agent-identity-trust-mcp
9agent-incident-relay-mcp90Agent Incident Relay MCP — Article 73 5-clock broadcaster. One incident → simultaneous sigpip install agent-incident-relay-mcp
10agent-rate-limiter-mcp90Fleet-wide shared rate limiter for A2A + multi-MCP deployments. Most MCP servers rate-limipip install agent-rate-limiter-mcp
11agent-token-budget-mcp90Agent Token Budget MCP — hard per-session token + spend cap with signed budget-exhaustedpip install agent-token-budget-mcp
12agent-x402-paywall-mcp90Agent x402 Paywall MCP — Coinbase HTTP 402 protocol + on-chain settlement. Agents pay per-pip install agent-x402-paywall-mcp
13meok-aaif-agent-card-mcp90MEOK AAIF Agent Card MCP — Linux Foundation AAIF agent identity bridge. Issues + verifies pip install meok-aaif-agent-card-mcp
14meok-ap2-mandate-mcp90MEOK Google AP2 Mandate MCP — issue + verify + revoke signed user-side spend authorisationpip install meok-ap2-mandate-mcp
15meok-coinbase-x402-receipt-mcp90MEOK Coinbase x402 Receipt MCP — signed settlement receipts for agentic paymentspip install meok-coinbase-x402-receipt-mcp
16meok-drcf-agent-crosswalk-mcp90UK Digital Regulation Cooperation Forum (DRCF) four-regulator AI agent crosswalk MCP. Mapspip install meok-drcf-agent-crosswalk-mcp
17meok-mcp-cardgen-mcp90MEOK MCP Cardgen — generate signed .well-known MCP server cards (SEP-1649 + SEP-1960 + SEPpip install meok-mcp-cardgen-mcp
18meok-mcp-test-mcp90MEOK MCP Test MCP — golden-file + schema-drift + tool-failure tests for any MCP server. Drpip install meok-mcp-test-mcp
19meok-stripe-acp-checkout-mcp90MEOK Stripe ACP Checkout MCP — ChatGPT shopping bridge. Issues + verifies + signs Stripe Apip install meok-stripe-acp-checkout-mcp
20meok-x402-wrap-mcp90MEOK x402 Wrap MCP — 1-line USDC paywall for any FastMCP tool. Coinbase x402 + on-chain sepip install meok-x402-wrap-mcp
21agent-replay-debugger-mcp88Agent Replay Debugger MCP — record every agent step + deterministic replay. Step-debugger pip install agent-replay-debugger-mcp
22oasf-agent-directory-mcp88OASF Agent Directory MCP — bridges Cisco's Open Agentic Schema Framework + AGNTCY directorpip install oasf-agent-directory-mcp
23agent-commerce-payments-mcp86Agent Commerce Payments MCP Server by MEOK AI Labspip install agent-commerce-payments-mcp
24agent-delegation-mcp86Agent Delegation MCP Server by MEOK AI Labspip install agent-delegation-mcp
25agent-negotiation-mcp86Agent Negotiation MCP Server by MEOK AI Labspip install agent-negotiation-mcp
26agent-orchestrator-mcp86Agent Orchestrator MCP Server by MEOK AI Labspip install agent-orchestrator-mcp
27ecommerce-ai-mcp86Ecommerce Ai MCP Server by MEOK AI Labspip install ecommerce-ai-mcp
28meok-libp2p-agent-mesh-mcp86MEOK libp2p Agent Mesh MCP — peer-to-peer agent discovery + addressing. PeerID + multiaddrpip install meok-libp2p-agent-mesh-mcp
29agent-prompt-injection-firewall-mcp84The WAF for agents. Pattern-based + heuristic firewall scans prompts, RAG documents, tool pip install agent-prompt-injection-firewall-mcp
30meok-mcp-hardening-mcp83MEOK MCP Hardening MCP — automated security red-team for any MCP server. Maps OWASP LLM Topip install meok-mcp-hardening-mcp
31agent-audit-logger-mcp78Hash-chained HMAC-signed audit log MCP for A2A (agent-to-agent) calls. Every tool-call, agpip install agent-audit-logger-mcp
32agent-policy-enforcement-mcp78Per-agent-pair IAM for A2A. Define policies ('orchestrator may call billing only when amoupip install agent-policy-enforcement-mcp
33meok-abci-bridge-mcp76MEOK ABCI Bridge MCP — read-only Tendermint / Cosmos blockchain query for agents. Built-inpip install meok-abci-bridge-mcp
34a2a-governance-bridge-mcp74A2a Governance Bridge MCP Server by MEOK AI Labspip install a2a-governance-bridge-mcp

How are these scored?

Each MCP server is scored 0-100 across 10 categories (README, tool design, examples, tests/CI, transports, metadata, reliability, security, docs, provenance). See the methodology.