Paragon ActionKit alternatives

One API and MCP server that gives an AI agent product 1,000+ integration actions, with Paragon's embedded UI handling end users' authentication to their external apps. Full Paragon ActionKit record →

  1. 1 Nango Agent identity & auth

    also in Agent identity & auth

    OSS — Self-host ? Managed ? MCP ✓ ★ 13k released 2026-10-29 Elastic-2.0 Compare with Paragon ActionKit →

  2. 2 Pipedream Connect Agent identity & auth

    also in Agent identity & auth

    OSS — Self-host ? Managed ? MCP ✓ ★ 12k released 2026-10-28 proprietary; components repo under Pipedream… Compare with Paragon ActionKit →

  3. 3 Auth0 for AI Agents Agent identity & auth

    also in Agent identity & auth

    OSS — Self-host ? Managed ? MCP ? proprietary Compare with Paragon ActionKit →

  4. 4 Descope Agentic Identity Hub Agent identity & auth

    also in Agent identity & auth

    OSS — Self-host ? Managed ? MCP ? proprietary Compare with Paragon ActionKit →

  5. 5 Keycard Agent identity & auth

    also in Agent identity & auth

    OSS — Self-host ? Managed ? MCP ? proprietary Compare with Paragon ActionKit →

  6. 6 Merge Agent Handler Agent identity & auth

    also in Agent identity & auth

    OSS — Self-host ? Managed ? MCP ✓ proprietary Compare with Paragon ActionKit →

  7. 7 Okta Cross App Access (XAA) Agent identity & auth

    also in Agent identity & auth

    OSS — Self-host ? Managed ? MCP ? proprietary Compare with Paragon ActionKit →

  8. 8 Stytch Connected Apps Agent identity & auth

    also in Agent identity & auth

    OSS — Self-host ? Managed ? MCP ? proprietary Compare with Paragon ActionKit →

Ranked by shared memory design (storage, retrieval, conflict handling, memory unit), same section and shared must-haves (open source, self-hosting, MCP), with adoption as a tie-breaker. ✓ confirmed · — no · ? not in the catalog yet. Want picks for your own requirements? Use the chooser. Checking a whole project? Check your stack.