Index / Observability

mcp-server-elasticsearch

access level: read-onlyโœ” Source-reviewed Oct 2026

We read this project's source code and tool definitions (Oct 2026). This is a code review, not a live test against real systems. Re-check after upgrades.
Repositoryhttps://github.com/elastic/mcp-server-elasticsearch
CategoryLogs/observability
Systems touchedElasticsearch
Access (as described)read-only
License / priceApache-2.0 / free
GitHub stars719 (checked Oct 2026)
Read toolslist_indices, get_mappings, search (DSL), esql, get_shards (all annotated read_only_hint=true)
Write / delete / exec toolsNone in base tools
Read-only modeN/A (base tools all read-only)
Safety notesDEPRECATED by Elastic (critical security fixes only); superseded by Elastic Agent Builder MCP endpoint in 9.2+. Use an API key with read privileges on specific indices.
Verifiedyes (source review 2026-10-20)
NotesOfficial Elastic

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