capability:mcp-stdio

{
  "id": "capability:mcp-stdio",
  "_kind": "Capability",
  "_file": "capabilities/capabilities/mcp-stdio.yaml",
  "_cluster": "capabilities",
  "attributes": {
    "displayName": "MCP over stdio",
    "description": "The entity speaks the Model Context Protocol over a stdio\ntransport (subprocess stdin/stdout JSON-RPC framing).\n",
    "appliesToNodeKinds": [
      "AgentVersion",
      "ToolServer"
    ],
    "category": "agent"
  },
  "outgoingEdges": [],
  "incomingEdges": [
    {
      "from": "launch-config:codex.mcp-server",
      "to": "capability:mcp-stdio",
      "kind": "requires_capability",
      "attributes": {
        "versionRange": ">=1.0.0 <2.0.0",
        "level": "full"
      }
    },
    {
      "from": "agent-runtime-impl:amp.runtime@current",
      "to": "capability:mcp-stdio",
      "kind": "supports",
      "attributes": {
        "versionRange": "*",
        "level": "full"
      }
    },
    {
      "from": "agent-runtime-impl:claude-code.runtime@1.x",
      "to": "capability:mcp-stdio",
      "kind": "supports",
      "attributes": {
        "versionRange": ">=1.0.0 <2.0.0",
        "level": "full",
        "notes": "Claude Code 1.x ships first-class MCP support over stdio with auto-discovery of configured servers. ",
        "evidenceSourceIds": [
          "evidence:claude-code-docs-mcp-2026"
        ]
      }
    },
    {
      "from": "agent-runtime-impl:codex.runtime@1.x",
      "to": "capability:mcp-stdio",
      "kind": "supports",
      "attributes": {
        "versionRange": ">=1.0.0 <2.0.0",
        "level": "full"
      }
    },
    {
      "from": "agent-runtime-impl:copilot-cli.runtime@current",
      "to": "capability:mcp-stdio",
      "kind": "supports",
      "attributes": {
        "versionRange": "*",
        "level": "full"
      }
    },
    {
      "from": "agent-runtime-impl:cursor.runtime@current",
      "to": "capability:mcp-stdio",
      "kind": "supports",
      "attributes": {
        "versionRange": "*",
        "level": "full",
        "notes": "Cursor's MCP integration brokers stdio-transport servers configured in the project or user MCP settings. "
      }
    },
    {
      "from": "agent-runtime-impl:droid.runtime@current",
      "to": "capability:mcp-stdio",
      "kind": "supports",
      "attributes": {
        "versionRange": "*",
        "level": "full"
      }
    },
    {
      "from": "agent-runtime-impl:gemini-cli.runtime@current",
      "to": "capability:mcp-stdio",
      "kind": "supports",
      "attributes": {
        "versionRange": "*",
        "level": "full"
      }
    },
    {
      "from": "agent-runtime-impl:opencode.runtime@1.x",
      "to": "capability:mcp-stdio",
      "kind": "supports",
      "attributes": {
        "versionRange": ">=1.0.0 <2.0.0",
        "level": "full",
        "notes": "OpenCode brokers MCP servers configured per project; stdio is the\ndefault transport.\n"
      }
    },
    {
      "from": "agent-runtime-impl:qwen.runtime@current",
      "to": "capability:mcp-stdio",
      "kind": "supports",
      "attributes": {
        "versionRange": "*",
        "level": "full"
      }
    },
    {
      "from": "tool-server:codex-mcp-server",
      "to": "capability:mcp-stdio",
      "kind": "requires_capability",
      "attributes": {
        "versionRange": ">=1.0.0 <2.0.0",
        "level": "full"
      }
    },
    {
      "from": "tool-server:filesystem-mcp",
      "to": "capability:mcp-stdio",
      "kind": "requires_capability",
      "attributes": {
        "level": "required"
      }
    }
  ]
}