Renda Fixa

Name: Renda Fixa
Author: jean-knapp

by jean-knappversion 1.0.0i★ –iRuns in the cloud

Registry namebr.api.rendafixa/renda-fixa

Install

Overview

Description from the maker (original English)

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

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

User voiceiNo reviews yetReviews open together with accounts in a later step
Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
UsageiNot measured yet★ –

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Connection: Runs in the cloud
Transport: Streamable HTTP
Category: Accounting, finance & tax
You need to fill in: Authorization

Install

Pick the AI app you use, then copy the settings.

Before you install

Basic checks: 1 of 1 passed
Runs on the maker’s server: what you ask it goes through their server.
You fill in yourself: Authorization

Values marked secret are keys to your account. Never share them or paste them into a chat.

You need

Runs in the cloudNothing to install; it connects over the internet

Which app do you use?

ClaudeClaude CodeCursorVS CodeChatGPT

Pick your app above. We remember it, so next time the button says “Install in …”.

This address needs a key in a request header, which the add-connector menu cannot set. Use Claude Code, Cursor or VS Code instead.

Run this in your terminal

claude mcp add --transport http renda-fixa https://rendafixa.api.br/mcp --header 'Authorization: your-value'

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "renda-fixa": {
      "url": "https://rendafixa.api.br/mcp",
      "headers": {
        "Authorization": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

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

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This address needs a key in a request header, which the add-connector menu cannot set. Use Claude Code, Cursor or VS Code instead.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

Authorization secret HTTP header
Optional. 'Bearer ' from rendafixa.api.br/user/api-keys. Without it: a 5-bond preview.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

We have not read this server’s tool list yet; we check endpoints in rotation.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

✓ Pass
Maker matches the repo
The registry name was verified against the domain rendafixa.api.br (the registry checks domain ownership)
… Not checked yet
Still maintained
We have not read this repo from GitHub yet
… Not checked yet
Has a licence
We have not read this repo from GitHub yet
… Not checked yet
Endpoint responds
Not checked yet; we check endpoints in rotation
… Not checked yet
Sign-in with OAuth
Not checked yet; we check endpoints in rotation
… Not checked yet
No hidden instructions in tool descriptions
Not checked yet; we read the tool list when we check the endpoint

Compared with others in Accounting, finance & taxi

More stars than 0% of the other 1725 servers in this category
Published to the registry more recently than 59% of the other 1725 servers in this category
Basic checks equal to or better than 100% of the other 1725 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Renda Fixa safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: Authorization

Does it run on my computer or in the cloud?

It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.0.0) reached the registry 28 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: Finance Toolkit, SolidInvoice, Korea Tax Calculator

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Finance Toolkit

by JerBouma

500+ transparent financial methods calculated from raw statements, not third-party endpoints.

Computer or cloud★ 5,496MITUpdated yesterday

Install

SolidInvoice

by SolidInvoice

Create and send invoices and quotes, manage clients, and track payments in SolidInvoice.

Runs in the cloud★ 981MITUpdated 7 days ago

Install

Korea Tax Calculator

by UpstageAI

Korean tax calculation and tax-audit judgment MCP: 96 tools with statutory citations.

Runs on your computer★ 97MITUpdated today

Install

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

Renda Fixa API

Títulos de renda fixa do Brasil em uma chamada — CDB, LCI, LCA, CRI, CRA, debêntures e Tesouro Direto de vários bancos e corretoras, com retorno líquido após IR e ganho real acima do IPCA já calculados a partir das projeções do Boletim Focus (Banco Central). Atualizado diariamente.

REST/JSON — GET https://rendafixa.api.br/api/
CSV para planilhas — Google Sheets e Excel, sem programar
Servidor MCP — use no Claude, ChatGPT, Cursor e outros assistentes de IA
OpenAPI 3.1 — openapi.json

📖 Documentação: https://rendafixa.api.br/docs/api · 💳 Planos: https://rendafixa.api.br/pricing

Experimente agora (sem chave)

Sem chave, a API responde com uma prévia de 5 títulos:

curl "https://rendafixa.api.br/api/"

"response": { "status": "preview", "description": "No API key provided. Showing up to 5 bonds as a preview." }, "bonds": [ { "name": "CDB 360 DIAS", "bank": 77, "bank_name": "Banco Inter", "product": "cdb", "index": "cdi*", "rate": 1.05, "fgc_protection": true, "tax_free": false, "min_investment": 100, "maturity_date": "2027-05-08", "rating": "AA+", "net_annualized_return": 0.1165, "real_annualized_return": 0.0676 } ] }

Com uma chave de uma conta com assinatura ativa, a resposta traz todos os títulos. Gere a sua em rendafixa.api.br/user/api-keys.

curl -H "Authorization: Bearer rf_SUA_CHAVE" \

"https://rendafixa.api.br/api/?product=lci,lca&tax_free=1&fgc=1"

Filtros

Parâmetro	Valores
`product`	`cdb`, `lci`, `lca`, `cri`, `cra`, `deb`, `tpf`, `td`, `lf`, `misc`	lista separada por vírgula
`index`	`cdi`, `cdi+`, `ipca`, `ipca+`, `selic*`, `selic+`, `pre`	codifique `+` como `%2B`
`bank`	códigos numéricos	ex.: `341` Itaú, `77` Inter, `208` BTG
`tax_free`	`0` / `1`	só tributados / só isentos de IR
`fgc`	`0` / `1`	sem / com cobertura do FGC
`format`	`json` / `csv`

Taxas e retornos são decimais: 0.1165 = 11,65% a.a. Detalhes de cada campo e de como os retornos são calculados estão na documentação.

Exemplos

Os títulos isentos de IR que mais rendem, sem nenhuma dependência:

Python: examples/python/melhores_isentos.py
JavaScript (Node 18+): examples/javascript/melhores-isentos.mjs

RENDAFIXA_KEY=rf_SUA_CHAVE python examples/python/melhores_isentos.py

Planilhas

Google Sheets (planilha em português):

=IMPORTDATA("https://rendafixa.api.br/api/?format=csv&locale=pt-BR&key=rf_SUA_CHAVE")

Em uma planilha em inglês, tire o &locale=pt-BR. Os filtros funcionam na mesma URL: &product=lci,lca&tax_free=1.

Excel: Dados → Da Web → cole a URL acima.

Assistentes de IA (MCP)

A API também é um servidor MCP remoto: `https://rendafixa.api.br/mcp`. Depois de adicionado, é só perguntar — *"qual LCI com FGC rende mais em até 2 anos?"*.

Claude Code

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

--header "Authorization: Bearer rf_SUA_CHAVE"

Cursor (.cursor/mcp.json) e outros clientes com configuração em JSON

"mcpServers": { "rendafixa": { "url": "https://rendafixa.api.br/mcp", "headers": { "Authorization": "Bearer rf_SUA_CHAVE" } } } }

Claude.ai e ChatGPT (conectores personalizados, que aceitam só uma URL): https://rendafixa.api.br/mcp?key=rf_SUA_CHAVE

Ferramentas: search_bonds (filtra e ordena por retorno líquido, ganho real, vencimento ou aplicação mínima) e list_issuers (bancos e códigos). Sem chave, a prévia.

Licença

Os exemplos deste repositório são MIT. O uso da API está sujeito aos planos e termos do Renda Fixa.

Renda Fixa

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

Values you fill in

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Compared with others in Accounting, finance & taxi

Common questions

Alternatives

Finance Toolkit

SolidInvoice

Korea Tax Calculator

README from the maker

Renda Fixa API

Experimente agora (sem chave)

Filtros

Exemplos

Planilhas

Assistentes de IA (MCP)

Licença