io.github.andrewblount/polyaccounts-demo
PolyAccounts synthetic accounting demo
Is the PolyAccounts synthetic accounting demo MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-29.
Synthetic accounting MCP demo with exact balances and ledger evidence. No account or API key.
alive probed 2026-11-15 · unchanged since 2026-10-29
- Bundle
- https://github.com/andrewblount/polyaccounts-agent-kit/releases/download/v1.0.2/polyaccounts-demo.mcpb (MCPB, for a client that installs bundles; probed in a container with the network off)
- Host
- github.com
- Reports itself as
- polyaccounts-demo 1.0.2
- Capabilities
- prompts, resources, tools
- Instructions
- 203 characters
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 716 tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 772. The o200k_base estimate is 375. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/andrewblount/polyaccounts-agent-kit
- Website
- https://polyaccounts.com/demo
- Registry
- active, updated 2026-09-12 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.91×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| ledger_entries | 269 | 141 | 38 % |
| trial_balance | 237 | 124 | 33 % |
| expense_changes | 115 | 60 | 16 % |
| accounting_context | 95 | 50 | 13 % |
Compare this server with others.
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Servers that mention accounting or synthetic.
- Crane Ledger ai.craneledger/crane-ledger · needs auth
- Ekwo OS — open source accounting: ledger, invoices and VAT on your own Supabase or Postgres ai.ekwo/mcp · needs auth
- Fodda Synthetic Expert Consult ai.fodda/expert-consult · needs auth
- Minds: Synthetic Market Research Panels ai.getminds/minds · needs auth
- iMario ai.imario/imario · needs auth
- n3tz Atlas ai.n3tz/atlas · needs auth
- RoboSystems ai.robosystems/robosystems · needs auth
- Synthetic Data — Random User ai.saifs/synthetic-data-random-user · needs auth
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.