mcpcost

io.github.a202-protocol/a202-mcp

A202

Is the A202 MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-04.

Verifiable agreements for agent-led commerce: mandates, obligations, evidence, transaction records.

alive probed 2026-11-14 · unchanged since 2026-11-04

7tools
11ktokens in Claude Opus 5.5
5.3 %of Claude's 200k window
4.2×the median server
2.1 sto initialize
6 msto list tools
Run it
docker run -i --rm ghcr.io/a202-protocol/a202-mcp:0.1.0 (stdio, probed in a container with the network off)
Host
ghcr.io
Reports itself as
a202 0.1.0
Capabilities
experimental, tools
Instructions
1 934 characters
Of a 1M window
1.1 % of a 1M context window
Count
11k tokens in Claude Opus 5.5, exact, measured 2026-11-04. With the Claude Code prefix mcp__…__ on each tool name: 11k. The o200k_base estimate is 6.3k. Counted again when the tool definitions change. Method.
Repository
https://github.com/a202-protocol/a202
Website
https://a202.org
Registry
active, updated 2026-08-08 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.69×.

Tool≈ Claude tokenso200k estimateShare of this server
record_obligation3 2141 89830 %
create_agreement2 2711 34121 %
issue_mandate1 9361 14318 %
verify_mandate1 21972011 %
issue_approval1 10465210 %

Compare this server with others.

More servers

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

Servers that mention a202 or obligations or transaction.

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