Field-by-field comparison
Compare the evidence before choosing an MCP.
Each signal stays separate, missing facts remain visible, and the column order follows your selection.
| Evidence field | Elastic MCPMCP100 Recommended | opensearchMCP100 Recommended |
|---|---|---|
| Task fit | ||
| Best for |
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| Not ideal for |
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| Avoid when |
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| Provenance | ||
| Provenance details | First-party MCP Elastic · Publisher source ↗ | First-party MCP ecosystem:opensearch · Publisher source ↗ |
| Maintenance | ||
| Maintenance details | Repo: Not documented Package: Not documented | Repo: Sep 19, 2026 Package: Not documented |
| Popularity evidence | ||
| GitHub stars | Not documented | 154 GitHub stars · checked 2026-09-24T04:15:17.490000Z |
| Package downloads / 30 days | No reliable download data | 314,920 package downloads / 30 days · checked 2026-09-24T04:20:21.613000Z |
| Client coverage | ||
| Client coverage details | Claude Code✓ Streamable HTTP Claude Desktop✓ Streamable HTTP Codex✓ Streamable HTTP VS Code✓ Streamable HTTP Cursor✓ Streamable HTTP OpenCode✓ Streamable HTTP | Claude Code✓ Local stdio Claude Desktop✓ Local stdio Codex✓ Local stdio VS Code✓ Local stdio Cursor✓ Local stdio OpenCode✓ Local stdio |
| Client coverage note | Local stdio runs on your computer. Streamable HTTP connects to a remotely hosted MCP server. | |
| Access and data | ||
| Authentication | Elastic API-key and RBAC privilege boundaries remain primary. OAuth 2.1 applies only to deployment and product paths where Elastic documents it, including the current Agent Builder and Elastic Cloud Serverless flow; do not generalize that claim to every Elastic MCP deployment. | The publisher documents OpenSearch credential and transport configuration. |
| Cost | No MCP100 cost conclusion is published yet. The publisher's account plan, API usage, infrastructure, or per-action charges may apply. | The MCP integration has no separately verified MCP100 price conclusion. Publisher subscriptions, API usage, compute, storage, and AI-client charges may apply. |
| Permissions | Exact permissions and the read/write boundary have not yet completed MCP100 independent review; consult the linked publisher sources and use the narrowest available scope. | OpenSearch roles, index permissions, and configured credentials control readable and writable resources. |
| Data handling | Publisher-accessible account or application data may be returned to the MCP client and its selected model. Retention and subprocess behavior require candidate-specific review. | Authorized service data and tool results pass through the MCP server to the connected AI client. Review the publisher and client data policies before using sensitive search & research information. |
| Limitations | ||
| Tradeoffs |
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| Risk context | Use a test workspace or non-production account, least privilege, read-only controls where available, explicit approval for mutations, and credential revocation after evaluation. | Search results can contain sensitive documents and unconstrained queries can consume cluster resources. Use a test environment where practical, least-privilege credentials, narrowly enabled tools, and explicit confirmation for mutations. MCP100 did not execute third-party server code during this documentation review. |
| Evidence date | ||
| Editorial review | 2026-09-05 | 2026-07-30 |
| Candidate evidence | 2026-09-24T04:25:05.554391Z | 2026-09-24T04:25:05.554391Z |
Popularity, maintenance, fit, permissions, and client support are independent evidence fields.
Read the evidence method →