Chroma

48
Fair
Agent Native Score
Free TierAPI Key AuthOpenAPI Spec

Chroma is an open-source vector database designed for building AI applications with embeddings. It provides simple APIs for storing, querying, and managing vector data at scale.

Categories: Vector_database · Embeddings · Ai_infrastructure
Checklist Breakdown

16 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 100%

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

Chroma excels in agent tooling and account creation—it's self-hosted capable and requires zero signup for local deployment, making it ideal for autonomous agents. The OpenAPI spec and well-documented Python/JavaScript SDKs are strong assets. However, discovery is moderate due to lack of MCP server and llms.txt, and reliability/pricing clarity suffer from limited uptime SLAs and sparse documentation on rate limits. For agents using vector search in production, clearer service guarantees would strengthen the score.

Is Chroma Agent-Ready? →
Full assessment with pass/fail checklist, blockers, and recommendations

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claude mcp add --transport http agent-native-registry https://agentnativeregistry.com/api/mcp