dev.bigapi/mcp is an MCP server that the output layer for AI agents: turn what an agent produced into a finished file. Its tool list has not been published yet over stdio and http, requires no API key, and scores 54/100 on MCPpedia's security, maintenance and efficiency rubric.
Config is the same across clients - only the file and path differ.
{
"mcpServers": {
"bigapi": {
"args": [
"-y",
"@bigapi/mcp"
],
"command": "npx"
}
}
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The output layer for AI agents: turn what an agent produced into a finished file.
Run this in your terminal to verify the server starts. Then let us know if it worked - your result helps other developers.
npx -y '@bigapi/mcp' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Five weighted categories - click any category to see the underlying evidence.
No known CVEs.
Checked @bigapi/mcp against OSV.dev.
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MCP server for bigapi.dev – the output layer for AI agents.
Your agent produced something. bigapi turns it into a finished file – and reads files back in. Merge, redact, OCR, convert, sign, validate: the operations an LLM cannot do itself, over plain HTTPS, with one key, nothing to install server-side.
$0.01 per operation. 100 free. Free operations and balance never expire. Failed calls are free. Servers in Germany, GDPR, files deleted after delivery. Every operation ships with a published proof that it does what it promises.
Also listed in the official MCP Registry as dev.bigapi/mcp.
The server starts lean: it lists five tools, so your context stays free.
| Tool | What it does |
|---|---|
find_tool | Describe your task in plain words, get the matching operation with a ready-to-run example. Free, no key. |
run_operation | Run any bigapi operation by name, including ones added after your client started. |
enable_tools | Load dedicated tools on demand, e.g. ["pdf_redact","einvoice_validate"] or ["all"]. Built from the live catalogue, so new operations appear without an update. |
get_access / get_balance | Get a free key, check credit. |
All 60+ operations are available from the first second through run_operation; the dedicated
tools are a convenience, not a requirement. Want the full list right away?
Set BIGAPI_TOOLS=all in the server environment.
Why: every tool definition costs context in your client, and a model choosing between five descriptions picks better than one scanning forty-six.
All 60+ operations, including e-invoices (XRechnung, ZUGFeRD), bank statements and PDF accessibility checks, go through run_operation (or their own tool after enable_tools).
Ask find_tool in plain words instead of memorising this list:
Requires Node 18+. No API key needed up front – the agent can call get_access itself.
claude_desktop_config.json (Settings → Developer → Edit Config):
{
"mcpServers": {
"bigapi": {
"command": "npx",
"args": ["-y", "@bigapi/mcp"]
}
}
}
Restart Claude Desktop. Then: "Get bigapi access and render this text as a PDF on my Desktop."
Same block in the respective MCP settings (.cursor/mcp.json, ~/.codeium/windsurf/mcp_config.json, Cline → MCP Servers → Configure).
"bigapi": { "command": "npx", "args": ["-y", "@bigapi/mcp"], "env": { "BIGAPI_KEY":
... [View full README on GitHub](https://github.com/bigapi-2026/bigapi-mcp#readme)