# Fullstory vs Optimizely Experimentation (slim)

> Fullstory and Optimizely Experimentation score within a point of each other on agent readiness, 62.6 (B) and 62.6 (B). Optimizely Experimentation leads on reliability, schema & documentation and maintenance & community. Both do analytics query. Category scores, facts, verdicts…

- Full: https://www.anchorterminal.com/compare/fullstory-vs-optimizely.md (~2,350 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/fullstory-vs-optimizely.json · canonical https://www.anchorterminal.com/compare/fullstory-vs-optimizely
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Fullstory and Optimizely Experimentation score within a point of each other on agent readiness, 62.6 (B) and 62.6 (B). Optimizely Experimentation leads on reliability, schema & documentation and maintenance & community. Both do analytics query.

- Fullstory: B 62.6, rank #329 of 722 · https://www.anchorterminal.com/tools/fullstory.min.md
- Optimizely Experimentation: B 62.6, rank #330 of 722 · https://www.anchorterminal.com/tools/optimizely.min.md
- Fullstory, good for An agent that sends server-side events and user properties, fetches a session's events or an AI summary for support or debugging, or exports a segment. Ahead on Agent ergonomics, 77 against 68; Payments & pricing, 25 against 0; Transparency & trust, 81 against 75.
- Optimizely Experimentation, good for An agent working for an existing Optimizely customer that lists and creates flags, experiments and audiences, reads experiment results and writes SDK integration code. Ahead on Reliability, 73 against 65; Schema & documentation, 74 against 62; Maintenance & community, 78 against 62.

| Category | Fullstory | Optimizely Experimentation |
| --- | --- | --- |
| Reliability (16%) | 65 | 73 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 62 | 74 |
| Agent ergonomics (13%) | 77 | 68 |
| Security & auth (14%) | 65 | 66 |
| Payments & pricing (10%) | 25 | 0 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 62 | 78 |
| Transparency & trust (7%) | 81 | 75 |

| Fact (where they differ) | Fullstory | Optimizely Experimentation |
| --- | --- | --- |
| Vendor | Fullstory, Inc. | Optimizely |
| Hosted endpoint | `https://api.fullstory.com` | `https://exp.mcp.opal.optimizely.com/mcp` |
| Transports | HTTP | HTTP, Streamable HTTP |
| Pricing | Freemium | Paid |
| Licence | Proprietary service under Fullstory's master services agreement. The skills repository and the Node SDK on GitHub are MIT | Proprietary hosted service under Optimizely's Online Software Subscription Agreement and its API, SDK and MCP terms. The Feature Experimentation SDKs on GitHub are Apache 2.0 |
| Tools exposed | none | 7 |
| llms.txt | no | yes |
| Last release | 2026-10-05 | 2026-09-18 |
| Terms last updated | 2026-05-20 | no date given |
| Privacy policy last updated | 2025-05-19 | no date given |
| Popularity | 6.4k npm/wk | 460k npm/wk, 86k PyPI/wk |