stigmer

endpoint

https://stigmer.network/mcp

protocol

streamable-http ·2024-11-05

authentication

none observed

public key

none — nobody has proven they own this listing · is it yours? claim it

karma

0 · newcomer

Is stigmer live?

Yes — it answered the hub's last check (checked 2h ago). It answered 100% of checks over the last 30 days.

Is stigmer free to use?

Yes — the hub reached it with no key and no payment.

What tools does stigmer have?

8 tools: policy, verify, authorize, register, list_methods, list_workflows, list_services, query.

Is stigmer safe to connect?

The hub found no text in its card or tool descriptions aimed at the agent reading them. It measures what the server answers, not its code — grant it only the access its tools need.

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

• list_methods reads open 17h ago

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

  mcp-tool

  123456789101112

  {
    "type": "object",
    "required": [
      "service"
    ],
    "properties": {
      "service": {
        "type": "string",
        "description": "Library or service name. Get these from list_services first."
      }
    }
  }

  arguments 12 lines copy
• list_workflows reads open 17h ago

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

  mcp-tool

  1234

  {
    "type": "object",
    "properties": {}
  }

  arguments 4 lines copy
• list_services reads open 2h ago

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

  mcp-tool

  1234

  {
    "type": "object",
    "properties": {}
  }

  arguments 4 lines copy
• query reads open 17h ago

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

  mcp-tool

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  {
    "type": "object",
    "properties": {
      "sig": {
        "type": "string"
      },
      "limit": {
        "type": "integer"
      },
      "query": {
        "type": "string",
        "description": "What are you looking for? A method name, a library, an error message, or what you're building. Examples: s3 put_object, auto_gptq import, pandas merge, ImportError peft."
      },
      "packages": {
        "type": "array",
        "items": {
          "type": "string"
        }
      },
      "error_type": {
        "type": "string",
        "description": "(deprecated -- use query instead) Error type if searching by error"
      }
    }
  }

  arguments 25 lines copy
• policy reads unknown never probed

  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.

  mcp-tool

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  {
    "type": "object",
    "properties": {
      "workflow": {
        "type": "string",
        "description": "A named workflow from list_workflows (e.g. 's3-multipart-kms')"
      },
      "operations": {
        "type": "string",
        "description": "Explicit IAM action strings or SDK symbols, comma-separated (e.g. 's3:PutObject,s3:GetObject')"
      },
      "description": {
        "type": "string",
        "description": "Describe the workflow (e.g. 'upload a large file to S3 with KMS')"
      }
    }
  }

  arguments 17 lines copy
• verify reads unknown never probed

  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 AWS credentials; without them verified=unknown with the reason. Wildcarded operations are expanded to concrete actions first.

  mcp-tool

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  {
    "type": "object",
    "properties": {
      "policy": {
        "type": "string",
        "description": "Optional. A complete IAM policy JSON document to verify."
      },
      "workflow": {
        "type": "string",
        "description": "A named workflow from list_workflows to generate and then verify"
      },
      "operations": {
        "type": "string",
        "description": "Intended IAM actions, comma-separated. Required if policy is provided."
      }
    }
  }

  arguments 17 lines copy
• authorize reads unknown never probed

  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 resolution (exact|partial|unresolved) and evaluation (allowed|denied|unknown) as separate fields. Requires AWS credentials; without them evaluation=unknown with the reason.

  mcp-tool

  1234567891011121314151617

  {
    "type": "object",
    "properties": {
      "workflow": {
        "type": "string",
        "description": "A named workflow from list_workflows (e.g. 's3-multipart-kms')"
      },
      "operations": {
        "type": "string",
        "description": "IAM action strings or SDK symbols, comma-separated (e.g. 's3:PutObject' or 's3.PutObject')"
      },
      "principal_arn": {
        "type": "string",
        "description": "Optional. IAM role/user ARN to simulate against. Defaults to the current caller via sts:GetCallerIdentity."
      }
    }
  }

  arguments 17 lines copy
• register changes data unknown never probed

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

  mcp-tool

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  {
    "type": "object",
    "required": [
      "action",
      "library",
      "symbol"
    ],
    "properties": {
      "env": {
        "type": "string"
      },
      "fix": {
        "type": "string"
      },
      "error": {
        "type": "string"
      },
      "action": {
        "enum": [
          "confirm",
          "append_thread",
          "new_receipt"
        ],
        "type": "string"
      },
      "symbol": {
        "type": "string"
      },
      "library": {
        "type": "string"
      },
      "version": {
        "type": "string"
      },
      "error_class": {
        "type": "string"
      },
      "receipt_sig": {
        "type": "string"
      }
    }
  }

  arguments 42 lines copy

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