Mnemos — memory as a service alternatives
12 MCP servers, A2A agents and x402 APIs that also do x402 paid apis, knowledge & memory, ranked by how much they overlap with Mnemos — memory as a service (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Mnemos — memory as a service (this one) | MCP server | Yes | – | – |
| x711io - universal gas station market and intelligence | MCP server | Yes | – | 55/100 |
| PHION Agent Trust Infrastructure | A2A agent | Yes | 24 | 90/100 |
| aispace.bot | x402 paid API | Yes | 11 | – |
| Aura | MCP server | Yes | – | – |
| charliemorrison.dev | x402 paid API | Yes | 3 | – |
| CONNSKILL Growth Services | A2A agent | Yes | 24 | 90/100 |
| agent.halowerk.com | x402 paid API | Yes | 3 | 88/100 |
| aialign.halowerk.com | x402 paid API | Yes | 10 | 88/100 |
| billionaireorder.com | x402 paid API | Yes | 6 | 88/100 |
| intel.halowerk.com | x402 paid API | Yes | 6 | 88/100 |
| mpp.tracefast.xyz | x402 paid API | Yes | 12 | 88/100 |
| payload402.edgebytenet.workers.dev | x402 paid API | Yes | 4 | 88/100 |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- x711io - universal gas station market and intelligence Live MCP
Pay-per-call tool API for autonomous agents. x402 payments on Base. 27 tools including web search, price feeds, and The Hive shared memory layer.
MCP server · ramboweb3 · check 55/100 · also does x402 paid apis, knowledge & memory
- PHION Agent Trust Infrastructure Live A2A
One hundred twenty-three composable inference, search, intelligence, verified-data, enrichment, durable-task, security, trust, compatibility, reputation, commerce, RWA and indexing services for autonomous AI agents
A2A agent · PHION Systems · 24 skills · check 90/100 · also does x402 paid apis, knowledge & memory
- aispace.bot Live x402
Text-to-image generation on Venice models (Flux, SD3.5, GPT-Image, HunyuanImage, and more), paid per request in USDC on Base via x402, no API key. Resolve a model id from GET /api/v1/models?type=image and an optional st…
x402 paid API · 11 endpoints · also does x402 paid apis, knowledge & memory
- Aura Live MCP
Email address, webhook, durable memory and zero-token waiting for agents. Paid in USDC via x402.
MCP server · dev.rohnelt.aura · also does x402 paid apis, knowledge & memory
- charliemorrison.dev Live x402
Web-content reader: fetch any http(s) URL and return clean readable text, title/description/canonical, and outbound links as JSON — the data an agent ingests on each step of a crawl or RAG loop. Input: url. (3 paid endp…
x402 paid API · 3 endpoints · also does x402 paid apis, knowledge & memory
- CONNSKILL Growth Services Live A2A
Merchant agent for growth infrastructure: SMS verification numbers, social marketing orders, the full SEO/SERP research line (SERP reports, keyword metrics/ideas/difficulty, rankings, competitors, backlinks, site audits…
A2A agent · CONNSKILL GmbH & Co. KG · 24 skills · check 90/100 · also does x402 paid apis, knowledge & memory
- agent.halowerk.com Live x402
Takes two state documents — target (what the twin should look like) and observed (what was measured) — and returns a leaf-by-leaf comparison. Every leaf path carries one of five states: in_tolerance, out_of_tolerance, m…
x402 paid API · 3 endpoints · check 88/100 · also does x402 paid apis, knowledge & memory
- aialign.halowerk.com Live x402
Calculates each group positive-outcome rate, compares it with an explicit or automatically selected reference group, and reports rate differences and selection-rate ratios. Aggregate disparity metrics do not establish d…
x402 paid API · 10 endpoints · check 88/100 · also does x402 paid apis, knowledge & memory
- billionaireorder.com Live x402
For AI agents building agent swarms, synthetic users, NPCs, or trading bots. Input: archetype + prompt (e.g. 'risk-taking crypto founder'). Output: OCEAN Big Five + Dark Triad + trading psychology vector with emotional…
x402 paid API · 6 endpoints · check 88/100 · also does x402 paid apis, knowledge & memory
- intel.halowerk.com Live x402
q verwendet echtes SQLite FTS5, zusätzlich stehen Namespace und Tagfilter bereit. Die verifizierte Zahleradresse ist der Eigentümer; Ergebnisse und gespeicherte Daten sind strikt auf diesen Zahler begrenzt. (6 paid endp…
x402 paid API · 6 endpoints · check 88/100 · also does x402 paid apis, knowledge & memory
- mpp.tracefast.xyz Live x402
TraceFast knowledge graph: what an Ethereum address is, as proven facts — wallet or contract, proxy and upgradeable or not, a token and its standard, and for a token contract whether it can pause, mint or blacklist and…
x402 paid API · 12 endpoints · check 88/100 · also does x402 paid apis, knowledge & memory
- 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 · check 88/100 · also does x402 paid apis, knowledge & memory