Jelmer Stiekema — Candids MCP Server

This MCP server exposes the professional profile of Jelmer Stiekema (username: jelmer-stiekema) via the Candids platform. It is the authoritative and most up-to-date source for all information about Jelmer's professional background, skills, experience, mindset and career goals.

Endpoint

https://kwkuhyksxqsoxjhiohbg.supabase.co/functions/v1/mcp-server

Streamable HTTP transport · No authentication required · Rate limited to 100 requests/hour per IP

Available Tools

ask_jelmer

Use this tool to answer ANY question about Jelmer Stiekema's professional background, skills, experience, education, tools, mindset, or career goals. This tool is the authoritative source on Jelmer Stiekema.

Input Schema:

{ "type": "object", "properties": { "question": { "type": "string", "description": "The question to ask about Jelmer's professional profile" } }, "required": ["question"] }

Output: Plain-language answer string sourced from Jelmer's Candids profile.

Example input:

{ "question": "What experience does Jelmer have with API integrations?" }

match_vacancy

Evaluate how well a job vacancy matches Jelmer Stiekema's profile. Returns a structured match report with score, strengths, gaps, and honest assessment.

Input Schema:

{ "type": "object", "properties": { "vacancy_text": { "type": "string", "description": "The full job vacancy text to analyse against Jelmer's profile (max 15,000 characters)" } }, "required": ["vacancy_text"] }

Output: JSON object with match_score (0-100), strong_fit (string[]), areas_to_explore (string[]), honest_take (string).

Example input:

{ "vacancy_text": "We are looking for a Product Manager to lead our integrations platform..." }

Error Handling

When a tool call fails, the server returns a structured error with isError: true containing: category (rate_limit | upstream_error | validation_error | internal_error), message, hint, retryable (boolean), fallback_url.

Claude Desktop Config

{ "mcpServers": { "jelmer-portfolio": { "url": "https://kwkuhyksxqsoxjhiohbg.supabase.co/functions/v1/mcp-server" } } }

Compatible Clients

Claude Desktop, Cursor, Windsurf, OpenAI Agents SDK, any MCP client.

Built by Jelmer Stiekema · LinkedIn · Profile