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MCP SERVER Listed

One

One is a community-built MCP server that lets your agent talk to over 700 SaaS apps—think Gmail, Slack, Stripe, Shopify, HubSpot, Notion, and Linear—through a single integration point. Instead of wiring up individual API clients per service, you authenticate once via OAuth and gain access to four composable tools that cover the majority of common workflows: reading and writing records, triggering actions, listing resources, and fetching metadata. It slots into any MCP-compatible runtime (Claude Code, Cursor, custom agents) and handles token refresh, pagination, and error normalization behind the scenes. For developers juggling multi-app automations, it cuts boilerplate significantly compared to managing each API separately. The tradeoff is less granular control than first-party SDKs, but for prototyping, internal tools, or agentic workflows where speed matters more than fine-tuned performance, it's a pragmatic shortcut. Since it's community-maintained, expect occasional gaps in coverage and faster iteration than enterprise connectors.

Open ecosystemProductivityProductivity
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01 / SERVER DETAIL

Server detail

One is a community-built MCP server that lets your agent talk to over 700 SaaS apps—think Gmail, Slack, Stripe, Shopify, HubSpot, Notion, and Linear—through a single integration point. Instead of wiring up individual API clients per service, you authenticate once via OAuth and gain access to four composable tools that cover the majority of common workflows: reading and writing records, triggering actions, listing resources, and fetching metadata. It slots into any MCP-compatible runtime (Claude Code, Cursor, custom agents) and handles token refresh, pagination, and error normalization behind the scenes. For developers juggling multi-app automations, it cuts boilerplate significantly compared to managing each API separately. The tradeoff is less granular control than first-party SDKs, but for prototyping, internal tools, or agentic workflows where speed matters more than fine-tuned performance, it's a pragmatic shortcut. Since it's community-maintained, expect occasional gaps in coverage and faster iteration than enterprise connectors.

An MCP server that exposes One capabilities to MCP-compatible AI clients.

CapabilitiesProductivityMCPOpen source
ProtocolModel Context Protocol
Developer ecosystemOpen ecosystem
LicenseMIT / check source
SourceGitHub
COLLECTIONS

Collections featuring this MCP

Popular MCP2026.03.30Listed
My MCP2026.03.31Listed
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02 / TOOL TESTING

Tool testing

AVAILABLE TOOL

one

Callable

Call the MCP capabilities provided by One and return a structured result.

PARAMETERS
inputPass arguments according to the server tool schema.
Tip: the tool may truncate responses. Use pagination parameters such as start_index to read long content in chunks.
03 / SERVICE CONFIGURATION

Connection modes

Remote
{
  "mcpServers": {
    "One": {
      "url": "Generated by the provider after deployment"
    }
  }
}

The Remote endpoint is generated by the provider after deployment; this page does not fabricate an unusable endpoint.

03 / WORKFLOW

How to use

  1. 01
    Step 1

    Review server capabilities and permission scope.

  2. 02
    Step 2

    Copy the install command or JSON configuration.

  3. 03
    Step 3

    Run a small connection test in your client.

  4. 04
    Step 4

    Adopt it long term only after reviewing access and maintenance.

04 / DISCUSSIONS

Discussions

Use this space to keep checking source information, usage experience and maintenance status.

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