Biel.ai MCP Server

by biel Your server? Claim it

answering

Biel.ai is answering right now. Last checked 10 min ago. It exposes 3 tools. Last commit 22 Oct 2026.

Query your product docs from AI tools. Source-cited answers from your indexed documentation.

Uptime history 90 days of history · worst day 49%

90 days agonow

50.0%

Uptime 24h

91 of 182 checks

Tools

read from the server

556 ms

Response time

average over 24h

Stars

last commit 22 Oct 2026

What changed 10

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 9 October 2026. No other catalogue keeps this.

9 Oct 2 tool descriptions were rewritten3 times that day biel_ai, biel_get_document

9 Oct a tool changed the parameters it asks for3 times that day biel_ai

9 Oct 2 tools appeared biel_get_document, biel_search

9 Oct a tool changed version2 times that day

and 4 more, back to 9 October 2026

Biel.ai does not always answer

Over the last week it answered 50.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add biel-ai --transport http 'https://mcp.biel.ai/v2/{project_slug}/mcp'

Settings → Connectors → Add custom connector, then paste this address

https://mcp.biel.ai/v2/{project_slug}/mcp

~/.codex/config.toml

[mcp_servers.biel-ai]
url = "https://mcp.biel.ai/v2/{project_slug}/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "biel-ai": {
      "url": "https://mcp.biel.ai/v2/{project_slug}/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "biel-ai": {
      "type": "http",
      "url": "https://mcp.biel.ai/v2/{project_slug}/mcp"
    }
  }
}

This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

biel

biel_ai

Ask Biel.ai to generate an answer grounded in this project's indexed product documentation, APIs, SDKs and knowledge base. Supports conversational context within this connection. Use when the user explicitly requests a Biel.ai-generated response; otherwise ask the user first. For source retrieval and your own answer, use biel_search and biel_get_document. Do not fall back to biel_ai automatically on a retrieval error.

biel_get_document

Retrieve complete indexed document text using a document_id from biel_search. Reads indexed web pages, uploaded files, repository files and OpenAPI content without visiting the source site or generating an answer. Large documents return a next_cursor: repeat with that cursor and the same document_id and limit until next_cursor is absent. References belong to this connection's project and active index; search again if a document is unavailable.

biel_search

Search this project's indexed documentation using hybrid keyword and semantic retrieval. Use for product setup, API and SDK usage, configuration and troubleshooting. Searches web pages, uploaded files, repositories and OpenAPI sources without generating a Biel.ai answer. Start here for documentation questions; natural-language questions or concise search terms both work. Results include ranked text chunks, source references and document IDs. Use biel_get_document with relevant IDs when excerpts need more context, then write your own answer and cite the sources. No automatic fallback to biel_ai; ask the user before requesting a Biel.ai-generated answer.

Endpoints

URL	Transport	State	Latency	Checked
https://mcp.biel.ai/v2/{project_slug}/mcp	streamable-http	answering	463 ms	10 min ago
https://mcp.biel.ai/sse?project_slug={project_slug}&domain={domain}	sse	answering	69 ms	12 min ago

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Biel.ai — questions

Answers built from our own checks of this server.

What can Biel.ai do?

It exposes 3 tools, read directly from the server on our last check. Among them: biel_ai, biel_get_document, biel_search. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Biel.ai working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 182 checks got a reply (50.0%), average response time 556 ms. The bar chart above shows every period we have measured.

How do I connect Biel.ai?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Biel.ai need an API key?

No. Biel.ai completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Biel.ai?

It answers our handshake in 556 ms on average, which is faster than 21% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Biel.ai open source?

The code is open source: it is published under the MIT licence, written in Python, 3 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at mcp.biel.ai, which runs on its operator's own terms.