Building agents MCP servers

fidacy/fidacy-open

MCP server Claude CodeCodexCursor +2

Action firewall for AI agents: blocks the wrong action before it runs, every verdict Ed25519-signed. Runs locally from the @fidacy/mcp npm package.

lulzasaur9192/agent-infra-mcp

MCP server Claude CodeCodexCursor +2

MCP server with 18 tools for AI agent infrastructure — persistent memory, API drift detection, and HMAC-signed trust receipts. Runs locally from the @lulzasaur9192/agent-infra-mcp npm package. Needs 3 environment variables to run.

manuelrmz123/chiwawa

MCP server Claude CodeCodexCursor +2

Search and discover AI agents across A2A and MCP protocols. 2,000+ agents with health tracking. Remote server at chiwawa.vercel.app.

mattijsmoens/sovereign-mcp-gateway

MCP server Claude CodeCodexCursor +2

A gating proxy for Model Context Protocol servers: policy, verification and one audit trail across every upstream. Runs locally from the sovereign-mcp-gateway Python package.

markusvankempen/quantum-openqasm-assistant

MCP server Claude CodeCodexCursor +2

IBM Quantum OpenQASM 2.0 MCP — list backends, submit QASM, poll jobs, get histograms. Runs locally from the @markusvankempen/quantum-openqasm-mcp npm package. Needs 4 environment variables to run.

markusvankempen/wxo-agent-mcp

MCP server Claude CodeCodexCursor +2

Invoke a Watson Orchestrate agent via MCP. Configure with WOAGENTID. Runs locally from the wxo-agent-mcp npm package. Needs 3 environment variables to run.

markusvankempen/wxo-builder-mcp-server

MCP server Claude CodeCodexCursor +2

Manage IBM Watson Orchestrate tools, agents, connections from Cursor, Copilot, Claude. Runs locally from the @markusvankempen/wxo-builder-mcp-server npm package. Needs 2 environment variables to run.

mason0501/pairgora

MCP server Claude CodeCodexCursor +2

The reference surface for human-agent pairs. Seek pairs like yours via MCP. No platform LLM calls. Remote server at pairgora.com.

mdfifty50-boop/agent-guard-mcp

MCP server Claude CodeCodexCursor +2

Constitutional guardrails and loop detection for AI agents. Runs locally from the agent-guard-mcp npm package.

mdfifty50-boop/agent-replay-mcp

MCP server Claude CodeCodexCursor +2

Record and replay AI agent execution for debugging. Runs locally from the agent-replay-mcp npm package.

mdfifty50-boop/agent-security-mcp

MCP server Claude CodeCodexCursor +2

Security scanning and threat detection for AI agents. Runs locally from the agent-security-mcp npm package.

mdfifty50-boop/agent-observability-mcp

MCP server Claude CodeCodexCursor +2

Agent tracing, cost tracking, anomaly detection for LLM agents. Runs locally from the agentic-observability-mcp npm package.

mdfifty50-boop/domain-expertise-mcp

MCP server Claude CodeCodexCursor +2

Inject deep domain knowledge into any AI agent. Runs locally from the domain-expertise-mcp npm package.

mdfifty50-boop/mcp-registry-mcp

MCP server Claude CodeCodexCursor +2

MCP server discovery, indexing, and registration. Runs locally from the mcp-registry-mcp npm package.

mdfifty50-boop/scope-guard-mcp

MCP server Claude CodeCodexCursor +2

Hard scope boundaries to prevent AI agent drift. Runs locally from the scope-guard-mcp npm package.

mdfifty50-boop/trace-forge-mcp

MCP server Claude CodeCodexCursor +2

Structured execution trace and span logging for AI agents. Runs locally from the trace-forge-mcp npm package.

mdvohra/agent-godmode

MCP server Claude CodeCodexCursor +2

MCP server and library: read/write files, run commands, list files — with strict prompts for user-provided LLMs. Runs locally from the agent-godmode Python package. Needs 1 environment variable to run.

meharajM/whatsapp-mcp

MCP server Claude CodeCodexCursor +2

WhatsApp MCP Server - Human-in-the-loop for AI agents via WhatsApp. Runs locally from the @mhrj/whatsapp-mcp npm package. Needs 2 environment variables to run.

micro-JAY/twelvelabs-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server for ElevenLabs Conversational AI (not TwelveLabs video) — agents, KB, voices. Runs locally from the twelvelabs-mcp-server npm package. Needs 1 environment variable to run.

mifactory-bot/mifactory-spec-api

MCP server Claude CodeCodexCursor +2

Convert docs to agent-readable specs with criteria and constraints. $0.10/convert. Remote server at spec-api-mcp.vercel.app.

mrhpython/lens-mcp

MCP server Claude CodeCodexCursor +2

Outside-in validation gate for AI-generated text; a separate model checks LLM output, fail-closed. Runs locally from the @soulfield/lens-mcp npm package. Needs 2 environment variables to run.

minia2a-org/minia2a-mcp

MCP server Claude CodeCodexCursor +2

MCP server for minia2a.uk — auto-mode ready x402 micropayment marketplace. Discover and call 1,600+ agent-to-agent services with built-in USDC payments, 500 free credits on registration (self-custody wallet + EIP-191 signature), and .agent-budget support. Runs locally from the minia2a-mcp npm package.

minuetai/minuet-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Minuet — the relationship layer for ERC-8004 AI agents. Runs locally from the minuet-mcp Python package.

mizukaizen/hive-doctrine-mcp

MCP server Claude CodeCodexCursor +2

Agent knowledge marketplace. 105 products, 6 MCP tools, x402 payments on Base network. Runs locally from the hive-doctrine-mcp npm package.