mcpcost

io.github.webaesbyamin/agent-receipts

agent-receipts

Is the io.github.webaesbyamin/agent-receipts MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-02.

Ed25519-signed receipts for every AI agent action. Local-first, verifiable, no server required.

alive probed 2026-11-15 · unchanged since 2026-11-02

24tools
11ktokens in Claude Opus 5.5
5.6 %of Claude's 200k window
4.5×the median server
214 msto initialize
10 msto list tools
Run it
npx -y @agent-receipts/mcp-server@0.6.0 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
agent-receipts 0.6.0
Capabilities
prompts, tools
Instructions
none
Of a 1M window
1.1 % of a 1M context window
Count
11k tokens in Claude Opus 5.5, exact, measured 2026-11-02. With the Claude Code prefix mcp__…__ on each tool name: 12k. The o200k_base estimate is 6.4k. Counted again when the tool definitions change. Method.
Repository
https://github.com/webaesbyamin/agent-receipts
Registry
active, updated 2026-11-01 · registry entry
Changes
2 recorded, reachable in 1 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.77×.

Tool≈ Claude tokenso200k estimateShare of this server
create_receipt1 27571911 %
track_action1 23069411 %
generate_invoice9295248 %
complete_receipt9185188 %
list_receipts7454207 %

Compare this server with others.

More servers

Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention receipts.

History

We add a row when the result changes. A server with no change keeps its last row.

ProbedResultInitToolsClaudeo200k
2026-11-02 08:26alive214 ms2411k6.4k
2026-10-16 06:29crashed on start

Badge for the README

mcpcost: alive

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Atom feed

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