MCP Fast Server
Provides web search functionality via DuckDuckGo, returning titles, links, and snippets.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@MCP Fast Serversearch for recent Python releases"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
EN
MCP Fast Server
An MCP (Model Context Protocol) server built with FastMCP that exposes two useful tools for agents/IDEs: web search via DuckDuckGo and readable content extraction from HTML pages.
Related MCP server: web-mcp-server
Overview
search(query, max_results=5): searches the web and returns titles, links, and snippets.
fetch_content(url, timeout_seconds=15.0): fetches a URL and returns the main readable text (uses trafilatura; falls back to raw HTML if extraction fails).
Main implementation is in src/mcp_fast_server/server.py and the CLI is registered as mcp-fast-server via pyproject.toml.
Requirements
Python >= 3.10
uv installed (recommended for dependency management and execution)
Installation (with uv)
uv syncThis will install the dependencies defined in pyproject.toml (fastmcp, httpx, duckduckgo-search, trafilatura) into an isolated environment.
How to run
Direct (CLI)
uv run mcp-fast-serverThis starts the MCP server over stdio and waits for a client to connect.
HTTP/Streamable HTTP and SSE
The server also supports modern HTTP transport (streamable-http) and legacy SSE.
Streamable HTTP (recommended):
uv run mcp-fast-server --transport streamable-http --host 127.0.0.1 --port 8000 --path /mcpHTTP (alias compatible with streamable-http on recent versions):
uv run mcp-fast-server --transport http --host 127.0.0.1 --port 8000 --path /mcpSSE (legacy):
uv run mcp-fast-server --transport sse --host 127.0.0.1 --port 8000 --path /mcp/sseYou can also set options via environment variables: MCP_TRANSPORT, MCP_HOST, MCP_PORT, MCP_PATH.
Integrating with an MCP client
Configure your MCP client to launch the command above via stdio. Example for the MCP Inspector:
{
"mcpServers": {
"mcp-fast-server": {
"command": "uv",
"args": ["run", "mcp-fast-server"]
}
}
}In the Inspector, select the "mcp-fast-server", connect, and try the tools.
Client over HTTP/Streamable HTTP
Example configuration for clients that support HTTP/Streamable HTTP:
{
"mcpServers": {
"mcp-fast-server-http": {
"url": "http://127.0.0.1:8000/mcp",
"transport": "http"
}
}
}Or using the explicit alias "streamable-http":
{
"mcpServers": {
"mcp-fast-server-stream": {
"url": "http://127.0.0.1:8000/mcp",
"transport": "streamable-http"
}
}
}Client over SSE (legacy)
{
"mcpServers": {
"mcp-fast-server-sse": {
"url": "http://127.0.0.1:8000/mcp/sse",
"transport": "sse"
}
}
}Tools (API)
search
Parameters:
query(str): search termmax_results(int, default 5): maximum number of results
Returns:
List[Dict]with keystitle,href,body,source
fetch_content
Parameters:
url(str): URL to fetchtimeout_seconds(float, default 15.0): HTTP timeout
Returns:
strwith the extracted main text; raw HTML if extraction fails.
Quick examples
Calling
searchwithquery="Model Context Protocol"returns up to 5 DuckDuckGo results with title/link/snippet.Calling
fetch_contentwithurl="https://example.com"returns the main textual content of the page.
Project structure
src/
mcp_fast_server/
__init__.py
server.py # defines the tools and the entrypoint
pyproject.toml # project metadata and mcp-fast-server script
README.md
README.en.mdDevelopment
Open src/mcp_fast_server/server.py and edit/add tools decorated with @mcp.tool().
To run during development:
uv run mcp-fast-serverAdd new dependencies in pyproject.toml and sync with:
uv syncBuild & distribution (optional)
You can build artifacts (wheel/sdist) with:
uv buildArtifacts will be placed in dist/.
Notes & limitations
Search uses DuckDuckGo via
duckduckgo-search; follow ToS and access policies.Content extraction uses
trafilaturaand may not work perfectly on all pages.fetch_contentfollows redirects and raises for non‑successful HTTP responses.
License
Set the project license here (e.g., MIT, Apache-2.0). Update pyproject.toml accordingly if needed.
PT BR
MCP Fast Server · English README
Servidor MCP (Model Context Protocol) construído com FastMCP que expõe duas ferramentas úteis para agentes/IDE: pesquisa na web via DuckDuckGo e extração de conteúdo limpo de páginas HTML.
Visão geral
search(query, max_results=5): busca na web e retorna títulos, links e trechos.
fetch_content(url, timeout_seconds=15.0): baixa uma URL e retorna o texto principal legível (usa trafilatura; caso falhe, retorna o HTML bruto).
Implementação principal em src/mcp_fast_server/server.py e CLI registrada como mcp-fast-server via pyproject.toml.
Requisitos
Python >= 3.10
uv instalado (recomendado para gerenciar dependências e execução)
Instalação e setup (com uv)
# Dentro do diretório do projeto
uv syncIsso instalará as dependências definidas em pyproject.toml (fastmcp, httpx, duckduckgo-search, trafilatura) em um ambiente isolado.
Como executar
Execução direta (CLI)
uv run mcp-fast-serverIsso inicia o servidor MCP via stdio, aguardando um cliente conectar.
HTTP/Streamable HTTP e SSE
O servidor também suporta transporte HTTP moderno (streamable-http) e SSE.
Streamable HTTP (recomendado):
uv run mcp-fast-server --transport streamable-http --host 127.0.0.1 --port 8000 --path /mcpHTTP (alias compatível com streamable-http nas versões recentes):
uv run mcp-fast-server --transport http --host 127.0.0.1 --port 8000 --path /mcpSSE (legado):
uv run mcp-fast-server --transport sse --host 127.0.0.1 --port 8000 --path /mcp/sseAs opções também podem ser passadas por variáveis de ambiente: MCP_TRANSPORT, MCP_HOST, MCP_PORT, MCP_PATH.
Integração com um cliente MCP
Configure seu cliente MCP para iniciar o comando acima via stdio. Exemplo com o MCP Inspector:
{
"mcpServers": {
"mcp-fast-server": {
"command": "uv",
"args": ["run", "mcp-fast-server"]
}
}
}No Inspector, selecione o servidor "mcp-fast-server", conecte e teste as ferramentas.
Cliente via HTTP/Streamable HTTP
Exemplo de configuração para clientes que suportam HTTP/Streamable HTTP:
{
"mcpServers": {
"mcp-fast-server-http": {
"url": "http://127.0.0.1:8000/mcp",
"transport": "http"
}
}
}Ou usando o alias explícito "streamable-http":
{
"mcpServers": {
"mcp-fast-server-stream": {
"url": "http://127.0.0.1:8000/mcp",
"transport": "streamable-http"
}
}
}Cliente via SSE (legado)
{
"mcpServers": {
"mcp-fast-server-sse": {
"url": "http://127.0.0.1:8000/mcp/sse",
"transport": "sse"
}
}
}Ferramentas (API)
search
Parâmetros:
query(str): termo de buscamax_results(int, padrão 5): máximo de resultados
Retorno:
List[Dict]com chavestitle,href,body,source
fetch_content
Parâmetros:
url(str): URL a ser baixadatimeout_seconds(float, padrão 15.0): timeout HTTP
Retorno:
strcom o texto principal extraído. Se a extração falhar, retorna o HTML.
Exemplos rápidos
Chamar
searchcomquery="Model Context Protocol"retorna até 5 resultados do DuckDuckGo com título/link/trecho.Chamar
fetch_contentcomurl="https://example.com"retorna o corpo textual principal da página.
Estrutura do projeto
src/
mcp_fast_server/
__init__.py
server.py # define as ferramentas e o entrypoint
pyproject.toml # metadata do projeto e script mcp-fast-server
README.mdDesenvolvimento
Abra src/mcp_fast_server/server.py e edite/adicione ferramentas decoradas com @mcp.tool().
Para executar durante o desenvolvimento:
uv run mcp-fast-serverDependências novas podem ser adicionadas ao pyproject.toml e sincronizadas com:
uv syncBuild e distribuição (opcional)
Você pode gerar artefatos (wheel/sdist) do projeto com:
uv buildOs artefatos serão colocados em dist/.
Notas e limitações
A busca usa DuckDuckGo via
duckduckgo-search; respeite termos de uso e políticas de acesso.A extração de conteúdo usa
trafilaturae pode não funcionar perfeitamente para todas as páginas.fetch_contentsegue redirecionamentos e lança erro para respostas HTTP não bem-sucedidas.
Licença
Defina a licença do projeto e adicione aqui (ex.: MIT, Apache-2.0). Atualize também o pyproject.toml se necessário.
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