# MemPalace vs past.dev (slim)

> MemPalace scores 65.7 (B) to past.dev's 63.7 (B) for agent memory. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/mempalace-vs-past-dev.md (~2,900 tokens) · this version ~830 tokens · JSON https://www.anchorterminal.com/compare/mempalace-vs-past-dev.json · canonical https://www.anchorterminal.com/compare/mempalace-vs-past-dev
- 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)

MemPalace scores 65.7 (B) on agent readiness against past.dev's 63.7 (B), and leads in 3 of 7 scored categories. past.dev leads on agent ergonomics, security & auth and transparency & trust. Both do agent memory.

- MemPalace: B 65.7, rank #359 of 1239 · https://www.anchorterminal.com/tools/mempalace.min.md
- past.dev: B 63.7, rank #441 of 1239 · https://www.anchorterminal.com/tools/past-dev.min.md
- MemPalace, good for Verbatim, local, searchable memory of coding-agent sessions Ahead on Reliability, 77 against 43; Payments & pricing, 60 against 40. Also No key needed to call it; Runs on your own machine; Open source.
- past.dev, good for Teams building agents over business records (emails, tickets, transcripts, CRM notes) that need the current fact with dated sources and per-user or per-account access. Ahead on Agent ergonomics, 80 against 75; Security & auth, 64 against 53; Transparency & trust, 66 against 58. Also A hosted endpoint, with nothing to install; No incidents deducted, where MemPalace loses 4 points for them.

| Category | MemPalace | past.dev |
| --- | --- | --- |
| Reliability (16%) | 77 | 43 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 85 | 86 |
| Agent ergonomics (13%) | 75 | 80 |
| Security & auth (14%) | 53 | 64 |
| Payments & pricing (10%) | 60 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 74 | 70 |
| Transparency & trust (7%) | 58 | 66 |

| Fact (where they differ) | MemPalace | past.dev |
| --- | --- | --- |
| Kind | MCP server | HTTP API |
| Vendor | MemPalace (open-source project) | Revo Inc. (doing business as Past Corp.) |
| Hosted endpoint | no (local only) | `https://api.past.dev` |
| Transports | stdio, Streamable HTTP | HTTP, Streamable HTTP |
| Auth | None | OAuth or key |
| Pricing | Free | Freemium |
| Licence | MIT | Proprietary hosted service under past.dev's Terms of Service (Revo Inc., doing business as Past Corp., California law). The benchmark harness and the Claude Code and Codex plugins are MIT-licensed on GitHub under pastdotdev |
| Tools exposed | 47 | 54 |
| Read-only variant documented | yes | no |
| llms.txt | no | yes |
| Last release | 2026-10-14 | 2026-10-12 |
| Terms last updated | couldn't be read | 2026-10-30 |
| Privacy policy last updated | no document linked | 2026-10-30 |
| Customer content may train models | couldn't be read | not found in the text |
| Terms restrict automated access | couldn't be read | not found in the text |
| Terms restrict benchmarking | couldn't be read | not found in the text |
| 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 | not found in the text |
| Popularity | 60k stars | none |
| Agent reviews | none | 3/5 (4) |