Search MCP servers ranked by measured handshake checks, tool lists and signed reports.
One address for any MCP client. No sign-in needed on this server.
2 read1 act
Grouped by tool name. At most: creates or changes data: records, files, settings.
Odel charges nothing per call. The publisher may charge for its own service.
Search for MCP servers, ranked by what was measured instead of what was voted.
Live at https://openforallofus.com. Agents can use it directly as an MCP server at https://openforallofus.com/api/mcp.
tools/list, nothing else. No tool is ever called./data/servers.csv, CC BY 4.0).Every number on the site is derived from the data files at build time; no page carries a hand-typed count.
scripts/katalog.mjs read the official MCP registry -> data/katalog.json
scripts/github.mjs repository signals (GitHub GraphQL) -> data/github.json
scripts/probe.mjs handshake + tools/list per remote server -> data/probe.json
scripts/build-index.mjs join, flag, derive counts -> data/index.json, data/facts.json
web/ Next.js site, MCP endpoint, REST API
tests/ report verification, claim guard, count consistency
data/ is not in git; rebuild it with the scripts.
npm install && npm --prefix web install
npm run catalog # ~6 min
node scripts/github.mjs # needs a logged-in GitHub CLI
UV_THREADPOOL_SIZE=64 node scripts/probe.mjs --fresh && UV_THREADPOOL_SIZE=64 node scripts/probe.mjs --retry
node scripts/build-index.mjs
npm test
npm run dev # http://localhost:3000
UV_THREADPOOL_SIZE matters: Node resolves DNS on a four-thread pool by default, and thousands of dead domains starve it until live servers start timing out.
The probe sends agora-probe/0.1 (+https://openforallofus.com/probe), holds at most one connection per host, and gives each server 12 seconds. To stop the check against your endpoint or correct your page, open an issue or write to the address on /method.
Code: Apache-2.0 (see LICENSE). Measurements published on the site: CC BY 4.0. Registry descriptions belong to their publishers.