Zindex
Immutable agent diagrams: create, edit, validate and render versioned diagrams over MCP.
Connect it
Settings → Connectors → Add custom connector
URL: https://api.zindex.ai/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://api.zindex.ai/mcp{
"mcpServers": {
"zindex": {
"url": "https://api.zindex.ai/mcp"
}
}
}claude mcp add --transport http zindex https://api.zindex.ai/mcp{
"servers": {
"zindex": {
"type": "http",
"url": "https://api.zindex.ai/mcp"
}
}
}9 tools, verified live
diagram_findread-onlyLists this workspace's diagrams, latest change first, with id, key, title and latest revision. query matches the title, key or brief, ignoring case.
diagram_getread-onlyReads a diagram by id or key. The default outline: a header (id, title, revision, time, hash), the brief, recent versions, one element per line nested by container, and edges as 'id: from -> to'. view 'dsp' returns the scene JSON, 'mermaid' Mermaid to edit and send back to diagram_edit. revision or asOf reads an earlier version; knownRevision, only what changed since; elements, only those elements
diagram_validateread-onlyChecks a DSP scene or Mermaid text without saving it. Returns ok, errors and warnings, each with a code, the element if any, and a one-line fix.
diagram_createSaves a new diagram from a DSP scene or Mermaid text; returns its id, revision 1, content hash and chain hash. key is your stable name for it, unique in the workspace: your repeat with the same key and content returns the existing diagram, not a copy. brief stores context for the next agent. Versions are kept until you delete the diagram or its workspace is deleted.
diagram_editChanges a saved diagram as a new revision; old ones stay. Give baseRevision (the revision you last read), a one-line message, and ops (typed operations, https://zindex.ai/schemas/ops.schema.json), mermaid (the whole diagram edited from view mermaid; only differences apply), restoreRevision (an earlier version back), or brief. An edit with an error saves nothing; one that changes nothing returns no
diagram_renderread-onlySVG and PNG links to a saved diagram's version, not the image, with hashes and engine version. A published diagram's links are permanent, with url for its page; others last 7 days. preview adds a PNG for you. scene or mermaid instead of id previews an unsaved diagram.
diagram_historyread-onlyLists a diagram's versions, newest first, with time, who made it (by), client, message, chain hash and counts of elements added, changed and removed. compare (from and to: revision numbers or dates) returns what changed between two versions instead.
diagram_deletecan modifyDeletes a diagram with all its versions. undo restores it within 24 hours; after that it is gone. Asks the user to confirm.
diagram_sharecan modifypublish makes a diagram readable by anyone at its link; unpublish makes it private. link makes a share link showing its images, not its scene, to anyone who has it; unlink revokes them all. report sends one version to Zindex support. feedback sends Zindex staff a bug, docs (the docs and engine disagree), request or other; id or snippet attaches a diagram. Asks the user to confirm publish, link, re
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