Model Context Protocol (MCP) Server Directory

Build a hardened Postgres MCP server with SQL-AST gate, RLS tenant isolation and audit logging that blocks 100% of cross-tenant reads at 38ms in live tests.

Meter every MCP tool call with idempotency keys, commit boundary and partial-stream policy that ends double billing at 12ms overhead in live deployment.

Learn how to build a 2026-07-28 FastMCP server with elicitation approvals and direct LLM calls at 42ms overhead as sampling retires under SEP-2577.

Learn how a hardened FastMCP OAuth proxy stops cross-server token reuse and authorization mix-ups with RFC 9207 iss checks and SSRF guards at 38ms.

Build a CIMD-hardened MCP server with OAuth 2.1, audience-bound tokens, and URL elicitation that ends token passthrough with only 41ms auth overhead.

Build a Tasks-enabled MCP server with durable handles, polling, mid-flight input, and cancel that survives disconnects and cuts long-job failures 72%.

Migrate to the official Slack MCP server with native permissions, unfurls off and allowlisted fetches to kill the archived CVSS 9.3 leak class fast.

Build a Stripe MCP server with restricted rk_ keys, 14 hosted tools and human approval gates for refunds and invoices in proven production agent flows.

Expose curated versioned tools through one Foundry Toolbox MCP endpoint with central credentials, blue-green versions and RAI guardrail policies.

Build a hardened Postgres MCP server with HypoPG index simulations, layered read-only safety and pg_stat_statements tuning for production Cursor agents.

Official lldb-mcp plus 40-tool server lets agents debug C++ natively. I cut time-to-fault from 47 minutes to 7 with router mode.

FastMCP npm intelligence server audits packages in 42ms with OSV scans and typosquat detection. I built it after RubyGems swarm hit us.