io.github.Vortx-AI/emem

up checked 2026-11-11T07:39:10.373Z

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Publisher-provided title

emem, the verifiable memory protocol for the physical world

Publisher-provided description

Shared, verifiable memory for machines and AI. Encode where data lives; decode with any AI.

Summary by lookupd

Lets agents look up, verify and cite signed facts about real-world places, entities and locations as shared, checkable memory.

Install

Claude Code, remote (streamable-http)

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

Codex, remote (streamable-http)

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

Cursor, remote (streamable-http) → .cursor/mcp.json

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

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (18 tools)

Publisher-provided text

• emem_entity Give a real-world object (a bridge, a farm plot, a river, a named place) one shared identity. Every agent resolves this identity the same way. The result is an
• emem_locate Get the canonical address (cell64) of a real-world place. Every agent resolves a place to the same cell64, so two models refer to the same ground. The answer al
• emem_recall Read the signed facts at a canonical address (cell64). When a band has no fact yet but has a registered materializer, the responder fetches it. A fact_cid names
• emem_memory_token Make a citation handle, `emem:fact:<cell64>:<fact_cid>` (or `:<state_cid>`). Any agent or LLM resolves it to the same signed object, byte for byte. Give this on
• emem_memory_token_resolve Read a `emem:fact:<cell64>:<fact_cid>` citation handle and return the reading that it cites. `value`, `unit`, `band` and `kind` are at the TOP level of the answ
• emem_verify_receipt Verify a signed receipt on the server. The tool builds the canonical preimage again, under the rule that the receipt's `preimage_version` names. It checks the e
• emem_memory_contradictions Find where the corpus DISAGREES with itself (algebra: competing evidence). Two or more independent sources can sign different values for the same place, band an
• emem_guard_verdict Run the emem-guard policy checks on text before you send it. The checks use this responder's corpus. The tool finds every emem: citation, resolves each one, and
• emem_tools The map of emem's tools, and the one tool that finds all the others. It gives the working loop in order (name, ground, cite, resolve, verify, check for drift).
• emem_ask Answer a free-text question about a real-world location in one call. Signed satellite, elevation, water and built-up receipts support the answer. The tool sends
• search Search emem's signed corpus and get results as citations. Each entry is one signed fact. It has an `id` to dereference, a `title` with band, place and signed va
• fetch Dereference an id from `search`. You get the reading in one line, then the signed body, the URL that serves those bytes, and metadata: cell, band, signing time
• emem_echo_verify Grade a value that you will emit against the signed fact that your citation cites. The tool returns `matches`. When the value does not match, it also returns th
• emem_memory_bundle Combine N (cell, band, tslot?) triples into ONE signed envelope. Each triple goes through the standard recall path, which materializes on a miss. The tool puts
• emem_entity_resolve Find the objects that agents connected to a phrase. The tool ranks them by INDEPENDENT corroboration, never by arrival order. Each candidate has `asserted_by`,
• emem_entity_link Record a signed, ATTRIBUTED claim that a label or an external id (GERS, OSM, Wikidata) names an existing object. With `stance: "disputes"`, record that it does
• emem_find_similar Find the k nearest cells in the corpus by cell embedding or by an inline vector. The answer has `neighbors`, nearest first, each with `cell`, `score`, `lat`/`ln
• emem_intent State what you want in one typed object and get the answer. You do not choose a primitive. `type` selects the intent AND the other fields that the tool reads. S

Details

• Version: 2.4.5
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 369 ms
• First indexed: 2026-11-01T09:17:58.507Z
• Last seen in registry: 2026-11-07T21:17:25.109Z
• Repository: https://github.com/Vortx-AI/emem
• Website: https://emem.dev

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