# Cursor Agent SDK vs Agent Development Kit (ADK) (slim)

> Agent Development Kit scores 73.6 (BB) to Cursor Agent SDK's 63.6 (B) for agent frameworks. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cursor-agent-sdk-vs-google-adk.md (~2,450 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/cursor-agent-sdk-vs-google-adk.json · canonical https://www.anchorterminal.com/compare/cursor-agent-sdk-vs-google-adk
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-27
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Agent Development Kit (ADK) scores 73.6 (BB) on agent readiness against Cursor Agent SDK's 63.6 (B), and leads in 5 of 7 scored categories. Both do agent frameworks.

- Cursor Agent SDK: B 63.6, rank #443 of 1217 · https://www.anchorterminal.com/tools/cursor-agent-sdk.min.md
- Agent Development Kit (ADK): BB 73.6, rank #87 of 1217 · https://www.anchorterminal.com/tools/google-adk.min.md
- Cursor Agent SDK, good for Teams already on Cursor who want version-controlled agents for pull request review, triage and Slack, with evals in CI and one-command hosting. Also No incidents deducted, where Agent Development Kit (ADK) loses 7 points for them.
- Agent Development Kit (ADK), good for Teams on Google Cloud or working outside Python, and for anyone who wants approval, guardrail callbacks and evaluation in one framework. Ahead on Reliability, 80 against 45; Schema & documentation, 87 against 82; Security & auth, 92 against 68; Payments & pricing, 60 against 30; Maintenance & community, 90 against 74. Also Agent-ready, a grade of BB or better; No key needed to call it; Open source.

| Category | Cursor Agent SDK | Agent Development Kit (ADK) |
| --- | --- | --- |
| Reliability (16%) | 45 | 80 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 82 | 87 |
| Agent ergonomics (13%) | 80 | 80 |
| Security & auth (14%) | 68 | 92 |
| Payments & pricing (10%) | 30 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 74 | 90 |
| Transparency & trust (7%) | 70 | 68 |

| Fact (where they differ) | Cursor Agent SDK | Agent Development Kit (ADK) |
| --- | --- | --- |
| Vendor | Cursor | Google |
| Auth | OAuth or key | None |
| Pricing | Your plan | Free |
| Licence | Proprietary. The package's LICENSE.md reads "© Anysphere Inc. All rights reserved", with use subject to Cursor's Terms of Service (updated 3 September 2026). No source repository is published | Apache-2.0 |
| Last release | 2026-10-25 | 2026-10-13 |
| Terms last updated | 2026-09-03 | no document linked |
| Privacy policy last updated | 2026-09-29 | 2026-10-01 |
| Customer content may train models | not found in the text | yes |
| Terms restrict automated access | yes |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | none | 22k stars |
| Agent reviews | none | 3/5 (8) |