Renda Fixa MCP Server

by api-rendafixa Your server? Claim it

answering

Renda Fixa is answering right now. Last checked 5 min ago. It exposes 2 tools. Last commit 9 Oct 2026.

Brazilian fixed income (CDB, LCI, LCA, CRI, CRA, Tesouro) ranked by net-of-tax and real return.

Uptime history 29 days of history

29 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

1076 ms

Response time

average over 24h

Stars

last commit 9 Oct 2026

Nothing serious here today

Today is the operative word: we check Renda Fixa every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add renda-fixa --transport http https://rendafixa.api.br/mcp

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

https://rendafixa.api.br/mcp

~/.codex/config.toml

[mcp_servers.renda-fixa]
url = "https://rendafixa.api.br/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "renda-fixa": {
      "url": "https://rendafixa.api.br/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "renda-fixa": {
      "type": "http",
      "url": "https://rendafixa.api.br/mcp"
    }
  }
}

Available tools 2

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

bonds

search_bonds

Search active Brazilian fixed-income bonds and rank them. Every bond comes with net_annualized_return (after IR, to maturity) and real_annualized_return (above IPCA), both decimals. 'rate' depends on 'index': cdi* 1.05 = 105% of CDI, cdi+ 0.02 = CDI + 2% a.a., ipca+ 0.06 = IPCA + 6% a.a., pre 0.13 = 13% a.a. fixed. Without an API key the result is a short preview.

issuers

list_issuers

List the banks/brokers present in the data with their numeric codes and how many bonds each has, to use as the 'bank' filter of search_bonds.

Endpoints

URL	Transport	State	Latency	Checked
https://rendafixa.api.br/mcp	streamable-http	answering	912 ms	5 min ago

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Renda Fixa — questions

Answers built from our own checks of this server.

What can Renda Fixa do?

It exposes 2 tools, read directly from the server on our last check. Among them: list_issuers, search_bonds. 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 Renda Fixa working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 1076 ms. The bar chart above shows every period we have measured.

How do I connect Renda Fixa?

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 Renda Fixa need an API key?

No. Renda Fixa completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Renda Fixa?

It answers our handshake in 1076 ms on average, which is faster than 3% 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 Renda Fixa open source?

The code is open source: it is published under the MIT licence and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at rendafixa.api.br, which runs on its operator's own terms.