emem

listing.about

emem is a shared memory for AI agents, filled with satellite, elevation, water, air quality and other geospatial readings. Each place gets one address (cell64) and each observation is a signed fact with a content hash, so two agents can cite the same fact and check the signature without trusting each other. Tools cover place lookup, fact recall, entity identities, citation tokens, receipt verification, contradiction scans and similarity search.

The hosted endpoint at emem.dev/mcp uses streamable HTTP and needs no sign-in or API key for reads. Writes to shared spaces are tiered and need a signature. The server also ships as a Docker image (ghcr.io/vortx-ai/emem) and exposes a short tool list plus emem_tools to discover the rest.

listing.can

• Resolve a place name or coordinates to a canonical cell64 address
• Recall signed facts for a place and band, with auto-materialization
• Mint and resolve emem:fact: citation tokens
• Verify receipts and check claimed values against signed facts
• Scan for disagreement between attesters on the same place and band
• Mint and resolve canonical entity identities for real-world objects
• Find similar places by embedding
• Ask free-text questions about a location

listing.tools 18

• emem_entitylisting.hint.writes

  Mint or get a canonical shared identity for a real-world object.

• emem_locatelisting.hint.ro

  Resolve a place to a cell64 address and list the bands available there.

• emem_recalllisting.hint.writes

  Read signed facts at a cell, materializing them on a miss.

• emem_memory_tokenlisting.hint.ro

  Compose an emem:fact: citation handle for a signed fact.

• emem_memory_token_resolvelisting.hint.ro

  Dereference a memory token to its value, unit, band and signed fact.

• emem_verify_receiptlisting.hint.ro

  Verify a signed ed25519 receipt server-side.

• emem_memory_contradictionslisting.hint.ro

  Find places where independent attesters signed different values.

• emem_guard_verdictlisting.hint.ro

  Check whether emem citations in a draft text resolve and verify.

• emem_toolslisting.hint.ro

  List the full tool surface, search it, or get one tool's schema.

• emem_asklisting.hint.writes

  Answer a free-text question about a location from signed receipts.

• searchlisting.hint.writes

  Search signed facts for a place and return them as citable results.

• fetchlisting.hint.writes

  Open a search result, fact citation or cell handle and read the signed record.

listing.prov.live_on listing.prov.hints

listing.prompts

• Has the area around 45.434, 12.323 flooded historically? Cite the signed facts.

• Give me a citation token for the NDVI reading near Mount Fuji.

• Verify that this emem:fact token matches the value I am about to report.

• Find places similar to this farm plot and show the cell addresses.

listing.setup.h

listing.setup.remote

claude mcp add --transport http emem https://emem.dev/mcp

https://emem.dev/mcp

{
  "mcpServers": {
    "emem": {
      "url": "https://emem.dev/mcp"
    }
  }
}

code --add-mcp '{"name":"emem","type":"http","url":"https://emem.dev/mcp"}'

{
  "servers": {
    "emem": {
      "type": "http",
      "url": "https://emem.dev/mcp"
    }
  }
}

{
  "mcpServers": {
    "emem": {
      "serverUrl": "https://emem.dev/mcp"
    }
  }
}

codex mcp add emem --url https://emem.dev/mcp

[mcp_servers.emem]
url = "https://emem.dev/mcp"

gemini mcp add --transport http emem https://emem.dev/mcp

{
  "mcpServers": {
    "emem": {
      "type": "http",
      "url": "https://emem.dev/mcp"
    }
  }
}

listing.faq

listing.em.h

listing.em.lead listing.em.how

listing.em.badge listing.em.widget iframe JSON

listing.em.badge

Markdown

[![emem on mcp.tc](https://mcp.tc/i/emem/badge.svg)](https://mcp.tc/i/emem)

HTML

<a href="https://mcp.tc/i/emem"><img src="https://mcp.tc/i/emem/badge.svg" alt="emem on mcp.tc" height="20"></a>

listing.em.badge_note

listing.em.widget

HTML

<script src="https://mcp.tc/w/emem.js" async></script>

listing.em.widget_note

iframe

HTML

<iframe src="https://mcp.tc/embed/emem" title="emem on mcp.tc" width="420" height="200" loading="lazy" allow="clipboard-write" style="border:0;border-radius:8px;max-width:100%"></iframe>

listing.em.iframe_note

JSON

listing.em.json

https://mcp.tc/i/emem.json

listing.em.fields