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Universal Connector MCP server

by TeodorMCP·io.github.TeodorMCP/universal-connector-mcp·v0.2.0
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Security-first MCP server that connects any OpenAPI, GraphQL, gRPC or SOAP API to AI agents.

B75/100grade B
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Safety scan
B75/100

full report

Adoption
Growing

4 stars29 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Universal Connector tools (10, 4 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • audit_log

    Return recent outbound calls (method, host, path, status) for auditing.

  • executewrite action

    Execute a loaded operation.

  • execute_chainedwrite action

    Execute a sequence of operations in one call, passing data between steps.

  • execute_graphwrite action

    Execute a dependency graph of operations, auto-parallelizing independent ones.

  • get_operation

    Get the full input schema, response schema and auth requirements of one operation.

  • list_apis

    List all currently loaded APIs with their protocol, base URL and size.

  • load_api

    Load an API into the connector from a spec URL, file path, or raw content.

  • search_catalog

    Search the built-in catalog of free/public APIs ready to be loaded.

  • search_operations

    Fuzzy-search operations across loaded APIs.

  • unload_apiwrite action

    Remove a previously loaded API and free its operations.

Public scan report

scanner v0.1.9 · 2026-09-25 · same rubric, same numbers if you re-run it

no findings
  • Code scan33 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 63 days ago12/15
  • Maintainer identityregistry namespace matches repository owner6/10
Overall 75/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

What the publisher says

From the Universal Connector repository's README, as published. We do not edit it. Read it on GitHub

<!-- mcp-name: io.github.TeodorMCP/universal-connector-mcp -->

Universal API Connector MCP

Any API. One MCP server.

Stop installing a new MCP server for every service: point this one at any OpenAPI/Swagger, GraphQL, gRPC or SOAP spec - or pick one from the built-in catalog of 2500+ public APIs - and your AI agent can call it. Securely, in fewer steps, with fewer tokens.

Installation · Meta-tools · API catalog · Examples · Configuration · Security

Why another one?

Most "universal API" MCP servers only speak REST/OpenAPI. This project is built around three differentiators:

  1. Truly universal - a normalized Operation model with pluggable spec adapters (OpenAPI, GraphQL, gRPC, SOAP). Tools and executors never care which protocol produced an operation.
  2. Security-first / local-first - a direct response to supply-chain attacks like the AgentBaiting / FakeGit campaign. Outbound requests are restricted to an allowlist, secrets never touch logs, responses are size-capped, and every call is audit-logged. No arbitrary code execution, no binary downloads, no telemetry.
  3. Built for context efficiency - field-level response filtering, chained and parallel execution, and response caching mean whole workflows fit in one tool call and responses stay small.

How it works

The agent explores APIs like a filesystem instead of loading hundreds of tools at once (which would blow up the context window on large APIs like Stripe). It searches for operations, inspects the ones it needs, then executes them.

Architecture (click to expand)

flowchart TD
    Agent["AI Agent"] -->|"MCP stdio"| Server["FastMCP Server"]
    Server --> Tools["Meta-tools"]
    Tools --> Registry["Operation Registry (normalized)"]
    Adapters["Spec Adapters"] --> Registry
    Tools --> Guard["Security Guard"]
    Guard --> Executor["Protocol Executors"]
    Executor --> Auth["Auth Manager"]
    Executor --> UpstreamAPI["Upstream API"]

Meta-tools

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Install directly

claude mcp add universal-connector-mcp -- uvx universal-connector-mcp
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Universal Connector: common questions

Is Universal Connector MCP server safe?
Mostly: it is graded B (75/100). Read the Universal Connector safety report
How do I install Universal Connector?
It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Universal Connector need an API key?
Yes. The registry entry asks for GITHUB_TOKEN.
Is Universal Connector maintained?
The last commit was 64 days ago (2026-07-24). The latest release is v0.2.0.
What can I use instead of Universal Connector?
Servers from other publishers that do the same job: Reversecore MCP server, CodeInspectus MCP server and MCPProxy MCP server. Compare all Universal Connector alternatives.

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