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Skill 167 · Flowstudio Power Automate MCP
Subchapter 167.3
references/MCP-BOOTSTRAP.mdMarkdown2 KBView on GitHub
Everything an agent needs to start calling the FlowStudio MCP server.
Endpoint: https://mcp.flowstudio.app/mcp
Protocol: JSON-RPC 2.0 over HTTP POST
Transport: Streamable HTTP — single POST per request, no SSE, no WebSocket
Auth: x-api-key header with JWT token (NOT Bearer)Content-Type: application/json
x-api-key: <token>
User-Agent: FlowStudio-MCP/1.0 ← required, or Cloudflare blocks youPreferred cold-start call:
POST {"jsonrpc":"2.0","id":1,"method":"tools/call",
"params":{"name":"list_skills","arguments":{}}}Returns the current bundles (build-flow, create-flow, debug-flow,
monitor-flow, discover, governance) and their member tool names. Free —
not counted against plan limits.
Then load the relevant schemas:
POST {"jsonrpc":"2.0","id":2,"method":"tools/call",
"params":{"name":"tool_search","arguments":{"query":"skill:create-flow"}}}Use query:"select:tool1,tool2" to load exact tools and keyword search such as
query:"send email" when the user intent is ambiguous.
Fallback for very low-level MCP clients:
POST {"jsonrpc":"2.0","id":1,"method":"tools/list","params":{}}tools/list returns all tools with names, descriptions, and input schemas, but
it is heavier and should not be the first choice for agents that know the
FlowStudio meta-tools.
POST {"jsonrpc":"2.0","id":1,"method":"tools/call",
"params":{"name":"<tool_name>","arguments":{...}}}Success → {"result":{"content":[{"type":"text","text":"<JSON string>"}]}}
Error → {"result":{"content":[{"type":"text","text":"{\"error\":{...}}"}]}}Always parse result.content[0].text as JSON to get the actual data.
"error" field in parsed body: null = success, object = failureenvironmentName is required for most tools, but not for:
list_live_environments, list_live_connections, list_store_flows,
list_store_environments, list_store_makers, get_store_maker,
list_store_power_apps, list_store_connectionsrequired array in each tool’s schema from
tool_search (or tools/list as a fallback)