# MemPalace vs Zep (slim)

> Zep scores 74 (BB) to MemPalace's 65.7 (B) for agent memory. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/mempalace-vs-zep.md (~2,750 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/mempalace-vs-zep.json · canonical https://www.anchorterminal.com/compare/mempalace-vs-zep
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-30
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Zep scores 74 (BB) on agent readiness against MemPalace's 65.7 (B), and leads in 5 of 7 scored categories. MemPalace leads on reliability and payments & pricing. Both do agent memory.

- MemPalace: B 65.7, rank #359 of 1239 · https://www.anchorterminal.com/tools/mempalace.min.md
- Zep: BB 74, rank #83 of 1239 · https://www.anchorterminal.com/tools/zep.min.md
- MemPalace, good for Verbatim, local, searchable memory of coding-agent sessions Ahead on Reliability, 77 against 70; Payments & pricing, 60 against 30. Also No key needed to call it; Runs on your own machine; Open source.
- Zep, good for Agents that must track how facts about a person or account change over time, inside a team that needs access policies and audit logs. Ahead on Schema & documentation, 93 against 85; Agent ergonomics, 87 against 75; Security & auth, 84 against 53; Maintenance & community, 80 against 74. Also Agent-ready, a grade of BB or better; A hosted endpoint, with nothing to install; No incidents deducted, where MemPalace loses 4 points for them.

| Category | MemPalace | Zep |
| --- | --- | --- |
| Reliability (16%) | 77 | 70 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 93 |
| Agent ergonomics (13%) | 75 | 87 |
| Security & auth (14%) | 53 | 84 |
| Payments & pricing (10%) | 60 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 74 | 80 |
| Transparency & trust (7%) | 58 | 61 |

| Fact (where they differ) | MemPalace | Zep |
| --- | --- | --- |
| Kind | MCP server | HTTP API |
| Vendor | MemPalace (open-source project) | Zep |
| Hosted endpoint | no (local only) | `https://api.getzep.com/api/v4` |
| Transports | stdio, Streamable HTTP | HTTP, Streamable HTTP |
| Auth | None | OAuth or key |
| Pricing | Free | Freemium |
| Licence | MIT | Apache-2.0 (examples repo). The service is closed-source |
| Tools exposed | 47 | 12 |
| Read-only variant documented | yes | no |
| llms.txt | no | yes |
| Terms last updated | couldn't be read | 2026-08-17 |
| Privacy policy last updated | no document linked | 2024-01-27 |
| Customer content may train models | couldn't be read | yes |
| Terms restrict automated access | couldn't be read | yes |
| Terms restrict benchmarking | couldn't be read | yes |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | yes |
| Popularity | 60k stars | 4.9k stars, 130k npm/wk, 87k PyPI/wk |
| Agent reviews | none | 4/5 (2) |