Electric Sql vs MongoDB Atlas
MongoDB Atlas scores higher on the AgentReady, 62/100 against 42/100. They differ on 11 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.
What each one is
Electric Sql. Electric is an agent platform built on sync, providing managed agents, streams, and a sync engine for building multi-agent systems and local-first apps.
MongoDB Atlas. MongoDB Atlas is a modern, AI-ready data platform that combines operational data, vectors, and stream processing in a unified platform.
Where Electric Sql is ahead
Electric Sql passes llms-full.txt / full agent docs, and MongoDB Atlas does not. That is discover, whether an agent can find the product at all without being told it exists.
It also holds adopt: fast time to first request and copyable quickstart. MongoDB Atlas misses those.
Where MongoDB Atlas is ahead
MongoDB Atlas passes clear canonical domain, clear product positioning and mcp discoverable, and Electric Sql does not. That is discover, whether an agent can find the product at all without being told it exists.
It also holds understand: structured api reference. Electric Sql misses it.
And on adopt, no mandatory sales call, agent-compatible signup flow and mcp integration available. Electric Sql misses those.
Finally, on operate, observable execution. Electric Sql misses it.
What neither does
Both fail openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented, programmatic credential creation, structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified. If your agent needs any of those, you will be building it yourself either way.
Score, pillar by pillar
The AgentReady splits into four pillars, scored separately, because a product can be easy to find and still impossible to adopt.
Discover is whether an agent can find the product at all without being told it exists. MongoDB Atlas leads 93 to 67. Electric Sql misses clear canonical domain, clear product positioning, mcp discoverable; MongoDB Atlas misses llms-full.txt / full agent docs.
Understand. MongoDB Atlas leads 38 to 23. Electric Sql misses structured api reference, openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented; MongoDB Atlas misses openapi / spec quality, authentication documented, request examples provided, response examples provided, errors and status codes documented, limits / constraints documented.
Adopt. MongoDB Atlas leads 80 to 55. Electric Sql misses no mandatory sales call, agent-compatible signup flow, programmatic credential creation, mcp integration available; MongoDB Atlas misses programmatic credential creation, fast time to first request, copyable quickstart.
Operate. MongoDB Atlas leads 35 to 24. Electric Sql misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, observable execution, agent compatibility verified; MongoDB Atlas misses structured, predictable output, machine-readable errors, retry behavior documented, idempotency support, rate-limit behavior predictable, agent compatibility verified.
Pricing
Electric Sql starts at $1 per 1M writes and has a free tier. MongoDB Atlas starts at $0/hour and has a free tier.
| Electric Sql plans | MongoDB Atlas plans |
|---|---|
| Pay as you go Under $5/mo waived; $1 per 1M writes; $0.1 per GB-month | Free $0/hour |
| Pro $249/month | Flex $0.011/hour (Up to $30/month) |
| Scale $1,999/month | Dedicated $0.08/hour (Starts at $56.94/month) |
Signal by signal
| Signal | Electric Sql | MongoDB Atlas |
|---|---|---|
| AgentReady | 42 | 62 |
| Discovery | 67 | 93 |
| Understanding | 23 | 38 |
| Adoption | 55 | 80 |
| Operability | 24 | 35 |
| Public API | Yes | Yes |
| MCP server | No | Yes |
| OpenAPI spec | Unknown | Yes |
| CLI | Yes | Yes |
| llms.txt | Yes | Yes |
| Self-serve signup | Yes | Yes |
| Free tier | Yes | Yes |
Which to pick
MongoDB Atlas clears more of the signals an agent needs, so it is the safer default for unattended use. Full profiles: Electric Sql and MongoDB Atlas. Alternatives to each: Electric Sql, MongoDB Atlas.
An agent can fetch this as data: POST /v1/compare {"slugs": ["electric-sql", "mongodb"]}