Browse MCP servers

MCP Harbor, an MCP Server Registry, Directory, and Tower to Buzz.

3 matching

filtered by io.github.the-40-thieves clear all

Showing 1–3 of 3 servers

codecalc
stdio

io.github.the-40-thieves/codecalc

Code & logic calculator for AI agents: 31 languages, symbolic math, SMT/logic solving, Big-O.

official
Obsidian Turbocharged
stdio

io.github.the-40-thieves/obsidian-tc

Model-agnostic, agent-ready Obsidian MCP server with RBAC, SLSA provenance, and native search.

official 2 secrets
Alexandria
stdio

io.github.the-40-thieves/alexandria-mcp

Search, read, and cite across 152 libraries: 11 tools, 3 prompts, and a full-text resource.

official 11 secrets

Search this catalogue from your agent

The registry is itself an MCP server. Add it once and your agent runs these same searches, with no account and no key.

claude mcp add --transport http mcp-registry-search https://ai.mcpharbor.dev/mcp