Koskamo

OpenGMB MCP

An official MCP server by Synectus that enables AI agents to manage Google Business Profiles. It allows agents to list reviews, draft replies, create posts, and update profile details, all subject to a human-in-the-loop approval workflow and automated rule-based guardrails before content is published to Google.

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Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

OpenGMB MCP logo, by SynectusVendor evidenceStreamable HTTPOAuth sign-inEndpoint checked 2026-11-01Operated by Synectus
You need:Sign in with the Google account that manages the profiles and approve accessTokens can be read-only or read and writeAuthorization: Bearer <token>
MCP endpoint (Streamable HTTP)
https://opengmb.synectus.com/mcp
Vendor documentation

What you can do with it

  • List unreplied reviews from the last 7 days
  • Draft replies to reviews for human approval
  • Create draft posts for Google Business Profile
  • Update profile hours and descriptions

Source and maintenance

Vendor evidenceRegistry 1.0.0
mcp-registry: com.synectus.opengmb/server@1.0.0Source repositoryProject website
Maintenance checked

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
1435 ms
95th percentile latency
1435 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 1435 ms · metadata changed · refuses unauthenticated initialize (HTTP 401)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http opengmb-mcp https://opengmb.synectus.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add opengmb-mcp --url https://opengmb.synectus.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable opengmb-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "opengmb-mcp": {
      "url": "https://opengmb.synectus.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "opengmb-mcp": {
      "type": "streamableHttp",
      "url": "https://opengmb.synectus.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start opengmb-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "opengmb-mcp": {
      "type": "http",
      "url": "https://opengmb.synectus.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http opengmb-mcp https://opengmb.synectus.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.
Claude Desktop configuration
{
  "mcpServers": {
    "opengmb-mcp": {
      "url": "https://opengmb.synectus.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "opengmb-mcp": {
      "serverUrl": "https://opengmb.synectus.com/mcp"
    }
  }
}

Let your agent find its tools

Find servers like OpenGMB MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.

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Do you run OpenGMB MCP?

Prove ownership with a DNS record, a well-known file, or your Official MCP Registry entry, and your edits publish immediately. Proofs are re-checked weekly; admins can still hide or remove a listing.

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