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FlowSimp MCP server

Which MCP servers are FlowSimp's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-27

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Whose server it is
  • Registry namecom.flowsimp/flowsimpverified in the MCP registry

The registry name sits under flowsimp.com. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-27
  • Stateanswerschecked 2026-10-27
  • Tools2
  • Server calls itselfflowsimp
  • Server version1.0.0
  • Protocol version2025-03-26

On 2026-10-27 the server answered initialize and tools/list without a sign-in. First answer in 35 ms.

Should an agent connect itNot proven either way yet
  • Its tools do Generate a flowchart from pasted outline or Mermaid text, but not Sketch freehand ideas on an online whiteboard.
  • Checked on 1 of the 7 days it takes to judge reliability.

Once connected

  • For "Generate a flowchart from pasted outline or Mermaid text", the likely first call is create_flowchart.
  • create_flowchart change data without a sign-in: anyone with the address can call them.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 1, the first on 2026-10-27
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 1 so far
  • What an agent can do with it1 of 2 use cases
  • Answeredmeasuring1 of the 7 daily checks it takes to print a share
  • Median first answer99 ms
  • Space in an agent's context≈ 188 tokensthe definitions of all its tools (2), which an agent carries on every turn
  • Tool definitionsB · 83 of 100
  • Typed results0 of 2 toolsdeclared outputSchema: results come typed, read once
  • Not saying whether it only reads or can destroy: 2 of 2

What an agent can do with it

  • can do · Generate a flowchart from pasted outline or Mermaid text
  • not sure · Show who is responsible for each step of a process
  • cannot · Sketch freehand ideas on an online whiteboard

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

  • Tools that change data, on a server that answers without a sign-in: create_flowchart

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers2 tools · read 2026-10-27
  • create_flowchart

    Create a FlowSimp flowchart from Mermaid flowchart syntax or an indented outline. Returns a read-only share link and an editable editor link. No account and no database write.

  • list_templates

    List FlowSimp templates and the editor links that open them.

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "flowsimp": {
      "type": "http",
      "url": "https://flowsimp.com/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http flowsimp https://flowsimp.com/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://flowsimp.com/mcp as a custom connector in the settings.

OpenAPI spec

1 paths, read 2026-10-27. Open the spec ↗

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.