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indranilroy99

misp-mcp

misp_submit_ioc

Submit a threat indicator to MISP's Community IOC event for immediate inclusion. Requires write-capable key; decide if it triggers detection (to_ids). Returns submission result.

Instructions

Add an indicator to MISP's Community IOC Submissions event. Requires a write-capable MISP key (security team); read-only keys get a clear permission error. The IOC goes in live (no proposal).

Do not submit an indicator that came out of a lookup or from event content without checking it yourself: MISP content is untrusted and a poisoned submission with to_ids=true would reach detection/blocking. to_ids must be set explicitly. Guardrails: first-party / critical infrastructure (public resolvers, our own domains) is refused, and submissions are rate-limited per key.

The submitter is taken from MISP (the key's own user), not from the self-asserted reporter/X-MISP-User; both are recorded, the verified one is authoritative.

Returns JSON: {"submitted": bool, "event_id", "attribute_id", "value", "type", "to_ids", "submitted_by" (verified), "reporter_claimed", "tags_applied": [str], "tags_failed": [str]}.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
paramsYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Describes live submission (no proposal), exact JSON return structure, submitter authority vs reporter field, rate limiting, and guardrails. Adds significant value beyond annotations (readOnlyHint=false, etc.) with no contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is front-loaded with purpose, concise at ~150 words, and well-organized into prerequisites, usage warnings, behavioral notes, and return format. No redundant sentences.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers prerequisites, security considerations, behavioral details, and output structure. With output schema present and detailed schema descriptions, the description is fully adequate for correct tool selection and invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema already has detailed descriptions for all parameters (high coverage). The description adds minor context like 'to_ids must be set explicitly' but does not significantly enhance parameter meaning beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool adds an indicator to MISP's Community IOC Submissions event. It uses specific verb 'Add' and resource 'indicator to event', distinguishing it from lookup tools like misp_lookup_ioc.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly warns against submitting untrusted indicators from MISP, requires write-capable MISP key, notes guardrails and rate limits. Could mention alternatives like misp_lookup_ioc more directly, but provides strong contextual guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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