# Marcel (marcel-retraite.fr)

Computes French pension, tax and business-transfer figures for AI assistants via an API or MCP server, each tied to its rule version.

- Atlas card: https://inite.ai/en/atlas/marcel-retraite.fr
- Site: https://marcel-retraite.fr
- For: Publishers, aggregators and advisers building financial assistants that need deterministic retirement and tax calculations.
- Categories: finance
- Use 0/100 · alive 100/100

## Used for

- Compare tax on gifting shares versus selling them
- Estimate retirement pension across several pension schemes
- Compare rent versus buy break-even year

## Price

- from 7 EUR/month (read 2026-10-28 on https://marcel-retraite.fr/pricing)

## For developers

- OpenAPI: https://marcel-retraite.fr/openapi.json (4 paths)
- API docs: https://marcel-retraite.fr/developer
- MCP server: fr.marcel-retraite/marcel (namespace; open on 2026-10-28, 14 tools)
- Read 2026-10-28

## MCP server, measured daily

Server: https://marcel-retraite.fr/mcp, checked every day since 2026-10-28 (6 checks).

- Answered: measuring, 6 daily checks so far
- Median first answer: 609 ms
- Sign-in: none
- Context its tool definitions take: about 26921 tokens (45 tools)
- Tool definitions: B, 89/100
- Failing "params_described": 30 of 45 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-28

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Source: INITE Atlas, https://inite.ai/en/atlas/marcel-retraite.fr. JSON: https://inite.ai/api/atlas/marcel-retraite.fr. MCP: https://inite.ai/api/mcp (atlas_lookup).