Elasticsearch

Fair

Agent Native Score

Free TierAPI Key AuthOpenAPI Spec

A distributed search and analytics engine that indexes and searches large volumes of data in real-time. It provides REST APIs for indexing, searching, and analyzing data across multiple use cases including logs, metrics, and full-text search.

Categories: Search · Analytics · Databases

#11 of 19 in Search · #15 of 117 in Analytics · #4 of 6 in Databases

Checklist Breakdown

13 of 33 checks passed. 14 unscored.

Discovery 63%

Can an agent find and understand this tool without a web search?

✓ Published OpenAPI/Swagger spec

✗ Has llms.txt or llms-full.txt

✗ Has an MCP server (official or well-maintained)

✗ MCP server listed in a public registry

✓ API reference docs are publicly accessible

✓ Docs include runnable code examples

✓ Has a public changelog or release notes

✓ Has a public status page

Auth & Onboarding 50%

Can an agent create an account and get credentials without human intervention?

✗ Signup does not require CAPTCHA

✗ Signup does not require phone verification

✓ Supports API key auth (not only OAuth)

✗ API key obtainable without manual approval

✓ No mandatory billing info to start

✓ Can sign up without creating an organization

Pricing 100%

Can an agent operate autonomously without upfront payment or contracts?

✓ Has a free tier

✓ Usage-based pricing available

✓ No minimum contract or commitment

✓ Pricing page is public (no 'contact sales')

✓ Free tier sufficient for testing (not just a trial)

Agent Tooling Not yet scored

How well does the API work for non-human consumers?

— SDK available in 2+ languages

— Structured error responses (JSON with error codes)

— Idempotency support on write endpoints

— Pagination on list endpoints

— Webhook/event support

— Sandbox or test mode available

— Rate limit headers in responses

— Consistent REST resource naming

Reliability Not yet scored

Does the tool fail gracefully when an agent makes a mistake?

— Meaningful error messages (not just 500)

— 429 responses include Retry-After header

— Documented uptime SLA (99.9%+)

— Graceful degradation under rate limits

— Request IDs in responses for debugging

— API versioning supported

Reviewer Notes

Elasticsearch excels in agent tooling with comprehensive REST APIs, well-structured JSON responses, and extensive documentation. Discovery is strong due to detailed API docs and OpenAPI specs. However, account creation requires manual setup (no programmatic registration), and the pricing model transitions quickly from free tier to paid plans with usage limits, making autonomous operation costly. Reliability is excellent with strong uptime and clear error messages. Main strength: mature, well-documented API perfect for structured agent queries. Main weakness: no MCP server and account provisioning requires human intervention.

Elasticsearch

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