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Stigmer MCP server

Which MCP servers are Stigmer's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-26

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Whose server it is
  • Registry namenetwork.stigmer/stigmer-mcpverified in the MCP registry

The registry name sits under stigmer.network. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-26
  • Stateanswerschecked 2026-10-26
  • Tools8
  • Server calls itselfstigmer
  • Server version1.3.0
  • Protocol version2024-11-05

On 2026-10-26 the server answered initialize and tools/list without a sign-in. First answer in 160 ms.

Should an agent connect itNot proven either way yet
  • Whether its tools do the product's job has not been judged yet.

Once connected

  • Parameters are untyped or undescribed in 2 of 8 tools: check arguments before calling.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 10, the first on 2026-10-26
  • INITE MCP score81 of 100answers 100 · definitions 79 · context 100 · use 0 · connects 100
  • Answered100% of days10 of 10 daily checks
  • Median first answer483 ms
  • Space in an agent's context≈ 1,060 tokensthe definitions of all its tools (8), which an agent carries on every turn
  • Tool definitionsB · 79 of 100
  • Typed results0 of 8 toolsdeclared outputSchema: results come typed, read once
  • Parameters without a description: in 2 of 8
  • Not saying whether it only reads or can destroy: 8 of 8

What an agent can do with it

  • not sure · look up AWS call chains before an agent runs them
  • not sure · avoid known AWS API traps during agent work
  • can do · generate least privilege IAM policies for agent actions

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

None of the five warning signs in these definitions.

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers8 tools · read 2026-10-26
  • query

    Search for verified method contracts for any library. Pass any text -- library name, method, what you're building, or an error you hit.

  • list_services

    List all libraries and services that have verified method contracts. Use this first to discover what's available, then query for specific methods.

  • list_methods

    List all methods for a given library or service. Use after list_services to drill into a specific one.

  • policy

    Generate a least-privilege IAM policy for an AWS workflow. Pass a named workflow, explicit IAM actions, or a description. Returns the exact policy with confidence tier and any unresolved operations.

  • list_workflows

    List the curated named workflows that can generate least-privilege IAM policies.

  • verify

    Feed a generated policy back to AWS's own policy evaluation engine (SimulateCustomPolicy) and confirm it grants exactly the intended operations and nothing extra. Returns verified (True|False|unknown), grants_all, grants_extra. Requires…

  • authorize

    Pre-flight authorization check for an AWS operation. Resolves the IAM actions the operation requires, then asks AWS's own policy simulator (SimulatePrincipalPolicy) whether the current role (or a given principal) allows them. Returns…

  • register

    Register a fix. Three actions: confirm (it worked), append_thread (variant worked), new_receipt (nothing matched, I fixed it).

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "stigmer-mcp": {
      "type": "http",
      "url": "https://stigmer.network/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http stigmer https://stigmer.network/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://stigmer.network/mcp as a custom connector in the settings.

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.