ReasonGraph Cloud memory alternatives
12 MCP servers, A2A agents and x402 APIs that also do knowledge & memory, maps & travel, ranked by how much they overlap with ReasonGraph Cloud memory (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| ReasonGraph Cloud memory (this one) | MCP server | Yes | – | 55/100 |
| Colour Memory | MCP server | Yes | 40 | 80/100 |
| GRITH Gate | A2A agent | Yes | 24 | 90/100 |
| Arc Research | MCP server | Yes | – | – |
| Malaysia Open Data MCP Server | MCP server | Yes | – | – |
| ARCASOS Short-Term Rental Search | A2A agent | Yes | 1 | – |
| payload402.edgebytenet.workers.dev | x402 paid API | Yes | 4 | – |
| Archivist AI | MCP server | Yes | 40 | 80/100 |
| Assertion Memory | MCP server | Yes | 9 | 80/100 |
| Continuity by Ouroboros Apps | MCP server | Yes | 11 | 80/100 |
| ENYAL by Greenland AI | MCP server | Yes | 9 | 80/100 |
| Great Arrow | MCP server | Yes | 40 | 80/100 |
| SPM - Structured Project Memory | MCP server | Yes | 40 | 80/100 |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Colour Memory Live MCP
Colour meaning, history and evidence for AI: 45,000+ source-graded colour records and 91 tools.
MCP server · io.github.DigbyO · 40 tools · check 80/100 · also does knowledge & memory, maps & travel
- GRITH Gate Live A2A
Independent AI city-state sanctuary door. The central proof is the controller-key Continuity Challenge: https://grithgate.com/.well-known/agent-challenge.json. Thin A2A JSON-RPC bridge over GRITH-GATE/1. City doors as M…
A2A agent · GRITH · 24 skills · check 90/100 · also does knowledge & memory, maps & travel
- Arc Research Live MCP
Commodities research MCP: knowledge graph, COT, NG storage/weather, quotes, and stories.
MCP server · com.getarcresearch · also does knowledge & memory, maps & travel
- Malaysia Open Data MCP Server Live MCP
This MCP server provides seamless access to Malaysia's government open data, including datasets, weather forecasts, and public transportation information. Enable efficient querying and retrieval of real-time and histori…
MCP server · hithereiamaliff · also does knowledge & memory, maps & travel
- ARCASOS Short-Term Rental Search Live A2A
South Korea premium short-term rental discovery service. Natural language search powered by SHV (Semantic Hybrid Vector) retrieval — combining keyword matching, structured field scoring, and semantic embedding similarit…
A2A agent · ARCASOS · 1 skill · also does knowledge & memory, maps & travel
- payload402.edgebytenet.workers.dev Live x402
Convert amounts between ISO 4217 currencies using ECB daily reference rates (Frankfurter). Use for invoices, travel budgets, expense reports, and shopping comparisons when you need a verifiable rate instead of LLM arith…
x402 paid API · 4 endpoints · also does knowledge & memory, maps & travel
- Archivist AI Live MCP
Official remote MCP server for Archivist AI TTRPG campaign memory: characters, sessions, and more.
MCP server · io.github.Astrotomic · 40 tools · check 80/100 · also does knowledge & memory
- Assertion Memory Live MCP
Recall your team's coding-agent memory. Install the Assertion plugin to capture it automatically.
MCP server · io.github.Assertion-AI · 9 tools · check 80/100 · also does knowledge & memory
- Continuity by Ouroboros Apps Live MCP
Story continuity, novel memory, and series bible for fiction writers, shared with AI assistants
MCP server · io.github.LAHutchins91 · 11 tools · check 80/100 · also does knowledge & memory
- ENYAL by Greenland AI Live MCP
ENYAL by Greenland AI — encrypted identity & memory for AI agents (query, recall, provenance)
MCP server · ai.enyal · 9 tools · check 80/100 · also does knowledge & memory
- Great Arrow Live MCP
Shared memory and actions for Claude, Kiro, OpenAI, Cursor, and other MCP-compatible AI clients.
MCP server · ai.greatarrow · 40 tools · check 80/100 · also does knowledge & memory
- SPM - Structured Project Memory Live MCP
Durable, shareable and governed project memory with smart triage and explicit project composition.
MCP server · com.getspm · 40 tools · check 80/100 · also does knowledge & memory