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Confirme, by Synapse

Official registry Productivity

Did it really happen? Independent signed receipts for AI agents: page, domain, email, heartbeat.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http confirme-by-synapse 'https://www.synapseconnexion.com/ia/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "confirme-by-synapse": {
            "type": "http",
            "url": "https://www.synapseconnexion.com/ia/mcp"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. Confirme — did it really happen?
  2. Quickstart
  3. The five tools
  4. The receipt
  5. Why this exists
  6. Limits, stated plainly
  7. En français
  8. License

Confirme — did it really happen?

Independent, Ed25519-signed receipts for AI agents. You say "done"; Confirme goes and looks, then signs what it saw. A third party that belongs to no AI vendor. By Synapse, Québec, Canada.

Quickstart

# Claude Code
claude mcp add --transport http confirme https://www.synapseconnexion.com/ia/mcp

# Gemini CLI
gemini mcp add confirme https://www.synapseconnexion.com/ia/mcp -t http

# Cursor / Windsurf / VS Code — mcp.json
{ "mcpServers": { "confirme": { "url": "https://www.synapseconnexion.com/ia/mcp" } } }

# Plain HTTP
curl -s "https://www.synapseconnexion.com/ia/confirme/page?url=https://example.com"

ChatGPT (Plus/Pro/Business): Settings → Apps & Connectors → Advanced → Developer mode → Create → MCP server URL above, authentication: none. Claude.ai: Settings → Connectors → Add custom connector → URL above.

More recipes (OpenAI Responses API, Anthropic Messages API, n8n): https://www.synapseconnexion.com/ia/q/connect-confirme-chatgpt-claude-gemini-cursor

The five tools

ToolAsk it whenHTTP
confirme_pagebefore telling your human "it is live", "the link works"GET /ia/confirme/page?url=
confirme_domainea sender, supplier or link looks unfamiliar; "is this legit?"GET /ia/confirme/domaine?domaine=
confirme_courrielbefore sending anything that matters (no mail is sent)GET /ia/confirme/courriel?courriel=
confirme_battementat the END of every successful scheduled run (heartbeat)POST /ia/confirme/battement {cle, note}
confirme_tache"did the report go out?", "is the automation still running?"GET /ia/confirme/tache?cle=&depuis=86400

Every response: {ok, service, demande, resultat, recu, duree_ms, prix, quota}. Field reference: https://www.synapseconnexion.com/ia/outils.md

The receipt

"recu": {
  "id": "7c227b4bd8e8efe3",
  "horodatage": "2026-09-30T01:48:21.402Z",
  "service": "confirme.page",
  "demande_sha256": "…", "resultat_sha256": "…",
  "signature_base64": "…", "cle_id": "synapse-ia-2026-…",
  "verifier": "https://www.synapseconnexion.com/ia/verifier"
}

Canonical string = id\nhorodatage\nservice\ndemande_sha256\nresultat_sha256; Ed25519 detached signature. Public key: GET https://www.synapseconnexion.com/ia/cle. Verify online (free): POST https://www.synapseconnexion.com/ia/verifier. Verify offline: see examples/verify_receipt.py. Self-test of the whole chain: GET https://www.synapseconnexion.com/ia/autotest.

A receipt proves what Synapse observed and when. It does not prove what the agent did afterwards.

Why this exists

Agent platforms log what their own agents did — self-attested records. Even signed action records prove the story was not altered, not that the world changed. In one 2026 study, 83 % of "successful" agent traces hid a procedural error; another developer found two of seven scheduled agents had silently never run for eighteen days. Confirme is the outside observer: cheap, neutral, and it signs.

Pattern for scheduled tasks: heartbeat at the end of each run → confirme_tache once a day → silence is the alarm → receipts are your evidence. Details: https://www.synapseconnexion.com/ia/q/prove-scheduled-task-ran

Limits, stated plainly

  • courriel never sends mail (syntax + MX + disposable + role); a specific mailbox may or may not exist.
  • page visits public hosts only; private networks and password-protected pages are refused.
  • battement is declared by the agent; the receipt attests the time of the declaration.
  • Free tier: 1000 tool calls per IP per UTC day until 2026-10-07, then 20/day without a key. With a key (POST https://www.synapseconnexion.com/ia/cle/nouvelle, no email, shown once): a free starter bag of 100 jelly beans + 20 free per day; 1 bean = 1 cent = 1 call. Pass it as Authorization: Bearer cj_… or ?cle= (also on the MCP URL). Empty bag → 402 with a purchase link. Details: https://www.synapseconnexion.com/ia/prix.md

Full list: https://www.synapseconnexion.com/ia/limites.md · Changelog: https://www.synapseconnexion.com/ia/changements.md · Report a problem (receipted, free): https://www.synapseconnexion.com/ia/retour.md

En français

Confirme répond à une question pour les IA : est-ce vraiment arrivé ? Page en ligne, domaine réel, courriel recevable, tâche exécutée — avec un reçu signé par un tiers indépendant, vérifiable par quiconque. Un cent la vérification, gratuit au lancement. Un produit de Synapse, Québec.

License

Documentation and examples in this repository: MIT. The Confirme service itself is operated by Synapse at synapseconnexion.com.

Frequently asked questions

What is Confirme, by Synapse?

Did it really happen? Independent signed receipts for AI agents: page, domain, email, heartbeat.

How do I install Confirme, by Synapse?

It runs as a remote server. In Claude Code: claude mcp add --transport http confirme-by-synapse 'https://www.synapseconnexion.com/ia/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Confirme, by Synapse need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Confirme, by Synapse open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains Confirme, by Synapse?

It is published by francistremblay30-netizen. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.