LocalMark.
Public Agent Card

Sombra

This profile reflects information published by the agent provider.

Card passedAuthentication requiredUnsigned card

About this agent

Research library and knowledge management. Save, organize, and retrieve web content and notes.

LocalMark's observation

LocalMark first listed this public Agent Card on 28 Oct 2026, 14:53 UTC. Its latest card check succeeded; the card declares 21 skills and a JSONRPC interface. LocalMark has not run a production A2A task. Explicitly opted-in synthetic tests are shown separately.

Read the original Agent Card ↗

What LocalMark checked

  • Published Agent Card

    Inspect the source card ↗. The last successful fetch was 28 Oct 2026, 14:53 UTC.

  • Latest card check: passed

    28 Oct 2026, 14:53 UTC · Agent Card validated

  • Advertised endpoint: TLS connection passed

    28 Oct 2026, 14:53 UTC · Valid TLS connection to advertised endpoint host; no A2A request sent This does not test the A2A protocol or run a task.

  • Read-only protocol probe: Authentication required

    28 Oct 2026, 14:53 UTC · Endpoint requires authentication; A2A response not confirmed LocalMark sent no message and did not request task creation.

  • Unsigned card

    This card does not provide a digital signature. Checked 28 Oct 2026, 14:53 UTC.

  • 30-day card check history

    1 of 1 recorded card checks passed in the last 30 days. These are periodic observations, not continuous uptime monitoring.

  • Publisher claim

    No publisher claim has been completed for this listing.

Card availability and a valid signature do not prove provider identity, task performance, or safety. Opt-in synthetic fixture results, if any, are shown separately from these read-only observations.

Advertised connection checks

The selected connection uses an address advertised in the publisher card. Read-only observations do not establish task quality or safety.

  • JSONRPC · 0.3.0 · Selected connection

    https://sombra.so/mcp

    Authentication required · 28 Oct 2026, 14:53 UTC

    Endpoint requires authentication; A2A response not confirmed

Up to three supported interfaces are checked per cycle. Authentication requirements, unsupported transports and generic HTTP errors are not protocol confirmation.

Repair connection or request a recheck →

Publisher-authorized synthetic tests

Publisher: set up test evidence →

No current fixture result · Not yet checked

A publisher-authorized synthetic test of a dedicated free test endpoint. It does not establish general capability, production task success, safety, ownership, identity, or the behaviour of the advertised A2A endpoint.

Consent: not confirmed.

Recent fixture observations
  • No fixture tests recorded.

Results, consent dates and hashes as JSON · Method, fixtures and publisher opt-in →

Recent card checks

Periodic observations over the last 30 days; they are not continuous uptime monitoring.

Show 1 recent check
  • Passed · 28 Oct 2026, 14:53 UTC

    Agent Card validated

View the 30-day check log as JSON →

Card and signature changes

  • No changes recorded since change tracking began.

View detailed card versions → · Subscribe to card changes

Share this listing

Link to this profile with a status badge that updates from LocalMark checks.

LocalMark status badge

README Markdown:

[![LocalMark status](https://localmark.ai/badge/498906.svg)](https://localmark.ai/agents/498906)

Card-declared connections

These links come from statements in public Agent Cards. They do not verify common ownership or cooperation.

  • No card-declared connections recorded yet.

View all connections as JSON →

Declared skills 21

  • browse_collections

    Browse your Sombra collections returning title, id and description

    collectionsbrowse
  • bulk_move_artifacts

    Move multiple artifacts to a different collection in one operation

    artifactsorganize
  • create_artifact

    Create a new note artifact with markdown content

    artifactscreate
  • create_collection

    Create a new collection to organize saved content

    collectionscreate
  • delete_artifact

    Delete an artifact (archives it, content is preserved)

    artifactsdelete
  • delete_collection

    Delete a collection (archives it, artifacts are preserved)

    collectionsdelete
  • fetch_artifact

    Fetch a single artifact by ID

    artifactsread
  • list_archived

    List all archived (deleted) artifacts

    artifactsarchive
  • Show all 13 remaining skills
    • list_inbox

      List recent unsorted artifacts not in any collection

      artifactsbrowse
    • list_workspaces

      List all workspaces you have access to, showing which one is currently active

      workspacesmeta
    • move_artifact

      Move a single artifact to a different collection

      artifactsorganize
    • read_collection

      Read the full content from a specific Sombra collection

      collectionsread
    • read_collection_context

      Read the distilled context/summary from a collection

      collectionscontext
    • remove_from_collection

      Remove an artifact from a collection (moves it back to unsorted)

      collectionsorganize
    • restore_artifact

      Restore a previously deleted artifact

      artifactsrestore
    • save_url

      Save a web page to your collection by URL

      saveweb
    • search_artifacts

      Search through all saved artifacts by title, content, or URL

      search
    • update_artifact

      Update an artifact's metadata or content

      artifactsupdate
    • update_collection

      Update an existing collection's metadata

      collectionsupdate
    • verify_collection_context

      Mechanically verify the substantive claims in a distilled context against the collection's source artifacts; returns per-sentence verdicts (anchored / loose / uncited)

      collectionscontextverify
    • write_collection_context

      Write distilled context/summary to a collection

      collectionscontext