Building a listed tool
Den Delimarsky
Named behind 4 listings on Anchor Terminal.
What Den builds
Fetch (MCP reference server) C · Web search APIs
Python reference server with a single 'fetch' tool that retrieves a URL and converts HTML to markdown, with pagination (start_index/max_length) and raw mode.
Lead Maintainer, Model Context Protocol, researched 28 October 2026 · the people behind it
Filesystem (MCP reference server) C · Databases & files
Reference server for secure local file operations (read, write, edit, search, directory listing) restricted to allowed directories supplied as arguments or via MCP Roots.
Lead Maintainer, Model Context Protocol, researched 28 October 2026 · the people behind it
Memory (MCP reference server) C · Databases & files
Knowledge-graph persistent memory reference server (entities, relations, observations) stored as JSONL at MEMORY_FILE_PATH.
Lead Maintainer, Model Context Protocol, researched 28 October 2026 · the people behind it
Sequential Thinking (MCP reference server) B · Reasoning scaffolds
Single-tool reference server (
sequentialthinking) that structures step-by-step reasoning with numbered thoughts, revisions and branches; no external calls.Lead Maintainer, Model Context Protocol, researched 28 October 2026 · the people behind it
Works with
- Cliff Hall Reference servers maintainer, Model Context Protocol
- David Soria Parra Co-creator and Lead Maintainer, Model Context Protocol
- Jonathan Hefner Reference servers maintainer, Model Context Protocol
- Justin Spahr-Summers Co-inventor, Lead Maintainer Emeritus, Model Context Protocol
- Ola Hungerford Reference servers maintainer, Model Context Protocol
- Shaun Smith Reference servers maintainer, Model Context Protocol
- Tadas Antanavicius Reference servers maintainer, Model Context Protocol
Questions
Who is Den Delimarsky?
Den Delimarsky is lead Maintainer at Model Context Protocol.
What does MCP project (reference servers) make?
Anchor Terminal lists Fetch (MCP reference server), Filesystem (MCP reference server), Memory (MCP reference server) and Sequential Thinking (MCP reference server) from MCP project (reference servers). Python reference server with a single 'fetch' tool that retrieves a URL and converts HTML to markdown, with pagination (start_index/max_length) and raw mode.
How are Den's tools graded?
Fetch (MCP reference server) is graded C, 57.6 out of 100; Filesystem (MCP reference server) is graded C, 59.4 out of 100; Memory (MCP reference server) is graded C, 54.4 out of 100; Sequential Thinking (MCP reference server) is graded B, 62.7 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.
Sources (6)
- https://modelcontextprotocol.io/docs/2026-07-28/getting-started/intro
- https://en.wikipedia.org/wiki/Model_Context_Protocol
- https://modelcontextprotocol.io/community/governance
- https://jspahrsummers.com/
- https://blog.modelcontextprotocol.io/posts/2025-12-09-mcp-joins-agentic-ai-foundation/
- https://github.com/dsp
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